CVE Feed

    Dashboard / CVE / CVE-2022-23824

    CVE-2022-23824

    IBPB may not prevent return branch predictions from being specified by pre-IBPB branch targets leading to a potential information disclosure.

    Published:Jul 12, 2022
    Last Modified:Feb 13, 2025
    EPS:Nov 9, 2022
    EPSS Score:0.00026
    CVSS Score:5.5

    Affected Products

    Vendor
    Amd
    Product
    A10-9600p
    Vendor
    Amd
    Product
    A10-9600p Firmware
    Vendor
    Amd
    Product
    A10-9630p
    Vendor
    Amd
    Product
    A10-9630p Firmware
    Vendor
    Amd
    Product
    A12-9700p
    Vendor
    Amd
    Product
    A12-9700p Firmware
    Vendor
    Amd
    Product
    A12-9730p
    Vendor
    Amd
    Product
    A12-9730p Firmware
    Vendor
    Amd
    Product
    A4-9120
    Vendor
    Amd
    Product
    A4-9120 Firmware
    Vendor
    Amd
    Product
    A6-9210
    Vendor
    Amd
    Product
    A6-9210 Firmware
    Vendor
    Amd
    Product
    A6-9220
    Vendor
    Amd
    Product
    A6-9220 Firmware
    Vendor
    Amd
    Product
    A6-9220c
    Vendor
    Amd
    Product
    A6-9220c Firmware
    Vendor
    Amd
    Product
    A9-9410
    Vendor
    Amd
    Product
    A9-9410 Firmware
    Vendor
    Amd
    Product
    A9-9420
    Vendor
    Amd
    Product
    A9-9420 Firmware
    Vendor
    Amd
    Product
    Athlon Gold 3150u
    Vendor
    Amd
    Product
    Athlon Gold 3150u Firmware
    Vendor
    Amd
    Product
    Athlon Silver 3050u
    Vendor
    Amd
    Product
    Athlon Silver 3050u Firmware
    Vendor
    Amd
    Product
    Athlon X4 750
    Vendor
    Amd
    Product
    Athlon X4 750 Firmware
    Vendor
    Amd
    Product
    Athlon X4 760k
    Vendor
    Amd
    Product
    Athlon X4 760k Firmware
    Vendor
    Amd
    Product
    Athlon X4 830
    Vendor
    Amd
    Product
    Athlon X4 830 Firmware
    Vendor
    Amd
    Product
    Athlon X4 835
    Vendor
    Amd
    Product
    Athlon X4 835 Firmware
    Vendor
    Amd
    Product
    Athlon X4 840
    Vendor
    Amd
    Product
    Athlon X4 840 Firmware
    Vendor
    Amd
    Product
    Athlon X4 845
    Vendor
    Amd
    Product
    Athlon X4 845 Firmware
    Vendor
    Amd
    Product
    Athlon X4 860k
    Vendor
    Amd
    Product
    Athlon X4 860k Firmware
    Vendor
    Amd
    Product
    Athlon X4 870k
    Vendor
    Amd
    Product
    Athlon X4 870k Firmware
    Vendor
    Amd
    Product
    Athlon X4 880k
    Vendor
    Amd
    Product
    Athlon X4 880k Firmware
    Vendor
    Amd
    Product
    Athlon X4 940
    Vendor
    Amd
    Product
    Athlon X4 940 Firmware
    Vendor
    Amd
    Product
    Athlon X4 950
    Vendor
    Amd
    Product
    Athlon X4 950 Firmware
    Vendor
    Amd
    Product
    Athlon X4 970
    Vendor
    Amd
    Product
    Athlon X4 970 Firmware
    Vendor
    Amd
    Product
    Epyc 7001
    Vendor
    Amd
    Product
    Epyc 7001 Firmware
    Vendor
    Amd
    Product
    Epyc 7002
    Vendor
    Amd
    Product
    Epyc 7002 Firmware
    Vendor
    Amd
    Product
    Epyc 7003
    Vendor
    Amd
    Product
    Epyc 7003 Firmware
    Vendor
    Amd
    Product
    Epyc 7251
    Vendor
    Amd
    Product
    Epyc 7251 Firmware
    Vendor
    Amd
    Product
    Epyc 7252
    Vendor
    Amd
    Product
    Epyc 7252 Firmware
    Vendor
    Amd
    Product
    Epyc 7261
    Vendor
    Amd
    Product
    Epyc 7261 Firmware
    Vendor
    Amd
    Product
    Epyc 7262
    Vendor
    Amd
    Product
    Epyc 7262 Firmware
    Vendor
    Amd
    Product
    Epyc 7272
    Vendor
    Amd
    Product
    Epyc 7272 Firmware
    Vendor
    Amd
    Product
    Epyc 7281
    Vendor
    Amd
    Product
    Epyc 7281 Firmware
    Vendor
    Amd
    Product
    Epyc 7282
    Vendor
    Amd
    Product
    Epyc 7282 Firmware
    Vendor
    Amd
    Product
    Epyc 72f3
    Vendor
    Amd
    Product
    Epyc 72f3 Firmware
    Vendor
    Amd
    Product
    Epyc 7301
    Vendor
    Amd
    Product
    Epyc 7301 Firmware
    Vendor
    Amd
    Product
    Epyc 7302
    Vendor
    Amd
    Product
    Epyc 7302 Firmware
    Vendor
    Amd
    Product
    Epyc 7302p
    Vendor
    Amd
    Product
    Epyc 7302p Firmware
    Vendor
    Amd
    Product
    Epyc 7313
    Vendor
    Amd
    Product
    Epyc 7313 Firmware
    Vendor
    Amd
    Product
    Epyc 7313p
    Vendor
    Amd
    Product
    Epyc 7313p Firmware
    Vendor
    Amd
    Product
    Epyc 7343
    Vendor
    Amd
    Product
    Epyc 7343 Firmware
    Vendor
    Amd
    Product
    Epyc 7351
    Vendor
    Amd
    Product
    Epyc 7351 Firmware
    Vendor
    Amd
    Product
    Epyc 7351p
    Vendor
    Amd
    Product
    Epyc 7351p Firmware
    Vendor
    Amd
    Product
    Epyc 7352
    Vendor
    Amd
    Product
    Epyc 7352 Firmware
    Vendor
    Amd
    Product
    Epyc 7371
    Vendor
    Amd
    Product
    Epyc 7371 Firmware
    Vendor
    Amd
    Product
    Epyc 7373x
    Vendor
    Amd
    Product
    Epyc 7373x Firmware
    Vendor
    Amd
    Product
    Epyc 7401
    Vendor
    Amd
    Product
    Epyc 7401 Firmware
    Vendor
    Amd
    Product
    Epyc 7401p
    Vendor
    Amd
    Product
    Epyc 7401p Firmware
    Vendor
    Amd
    Product
    Epyc 7402
    Vendor
    Amd
    Product
    Epyc 7402 Firmware
    Vendor
    Amd
    Product
    Epyc 7402p
    Vendor
    Amd
    Product
    Epyc 7402p Firmware
    Vendor
    Amd
    Product
    Epyc 7413
    Vendor
    Amd
    Product
    Epyc 7413 Firmware
    Vendor
    Amd
    Product
    Epyc 7443
    Vendor
    Amd
    Product
    Epyc 7443 Firmware
    Vendor
    Amd
    Product
    Epyc 7443p
    Vendor
    Amd
    Product
    Epyc 7443p Firmware
    Vendor
    Amd
    Product
    Epyc 7451
    Vendor
    Amd
    Product
    Epyc 7451 Firmware
    Vendor
    Amd
    Product
    Epyc 7452
    Vendor
    Amd
    Product
    Epyc 7452 Firmware
    Vendor
    Amd
    Product
    Epyc 7473x
    Vendor
    Amd
    Product
    Epyc 7473x Firmware
    Vendor
    Amd
    Product
    Epyc 74f3
    Vendor
    Amd
    Product
    Epyc 74f3 Firmware
    Vendor
    Amd
    Product
    Epyc 7501
    Vendor
    Amd
    Product
    Epyc 7501 Firmware
    Vendor
    Amd
    Product
    Epyc 7502
    Vendor
    Amd
    Product
    Epyc 7502 Firmware
    Vendor
    Amd
    Product
    Epyc 7502p
    Vendor
    Amd
    Product
    Epyc 7502p Firmware
    Vendor
    Amd
    Product
    Epyc 7513
    Vendor
    Amd
    Product
    Epyc 7513 Firmware
    Vendor
    Amd
    Product
    Epyc 7532
    Vendor
    Amd
    Product
    Epyc 7532 Firmware
    Vendor
    Amd
    Product
    Epyc 7542
    Vendor
    Amd
    Product
    Epyc 7542 Firmware
    Vendor
    Amd
    Product
    Epyc 7543
    Vendor
    Amd
    Product
    Epyc 7543 Firmware
    Vendor
    Amd
    Product
    Epyc 7543p
    Vendor
    Amd
    Product
    Epyc 7543p Firmware
    Vendor
    Amd
    Product
    Epyc 7551
    Vendor
    Amd
    Product
    Epyc 7551 Firmware
    Vendor
    Amd
    Product
    Epyc 7551p
    Vendor
    Amd
    Product
    Epyc 7551p Firmware
    Vendor
    Amd
    Product
    Epyc 7552
    Vendor
    Amd
    Product
    Epyc 7552 Firmware
    Vendor
    Amd
    Product
    Epyc 7573x
    Vendor
    Amd
    Product
    Epyc 7573x Firmware
    Vendor
    Amd
    Product
    Epyc 75f3
    Vendor
    Amd
    Product
    Epyc 75f3 Firmware
    Vendor
    Amd
    Product
    Epyc 7601
    Vendor
    Amd
    Product
    Epyc 7601 Firmware
    Vendor
    Amd
    Product
    Epyc 7642
    Vendor
    Amd
    Product
    Epyc 7642 Firmware
    Vendor
    Amd
    Product
    Epyc 7643
    Vendor
    Amd
    Product
    Epyc 7643 Firmware
    Vendor
    Amd
    Product
    Epyc 7662
    Vendor
    Amd
    Product
    Epyc 7662 Firmware
    Vendor
    Amd
    Product
    Epyc 7663
    Vendor
    Amd
    Product
    Epyc 7663 Firmware
    Vendor
    Amd
    Product
    Epyc 7702
    Vendor
    Amd
    Product
    Epyc 7702 Firmware
    Vendor
    Amd
    Product
    Epyc 7713
    Vendor
    Amd
    Product
    Epyc 7713 Firmware
    Vendor
    Amd
    Product
    Epyc 7713p
    Vendor
    Amd
    Product
    Epyc 7713p Firmware
    Vendor
    Amd
    Product
    Epyc 7742
    Vendor
    Amd
    Product
    Epyc 7742 Firmware
    Vendor
    Amd
    Product
    Epyc 7763
    Vendor
    Amd
    Product
    Epyc 7763 Firmware
    Vendor
    Amd
    Product
    Epyc 7773x
    Vendor
    Amd
    Product
    Epyc 7773x Firmware
    Vendor
    Amd
    Product
    Epyc 7f32
    Vendor
    Amd
    Product
    Epyc 7f32 Firmware
    Vendor
    Amd
    Product
    Epyc 7f52
    Vendor
    Amd
    Product
    Epyc 7f52 Firmware
    Vendor
    Amd
    Product
    Epyc 7f72
    Vendor
    Amd
    Product
    Epyc 7f72 Firmware
    Vendor
    Amd
    Product
    Epyc 7h12
    Vendor
    Amd
    Product
    Epyc 7h12 Firmware
    Vendor
    Amd
    Product
    Ryzen 3 2200u
    Vendor
    Amd
    Product
    Ryzen 3 2200u Firmware
    Vendor
    Amd
    Product
    Ryzen 3 2300u
    Vendor
    Amd
    Product
    Ryzen 3 2300u Firmware
    Vendor
    Amd
    Product
    Ryzen 3 3100
    Vendor
    Amd
    Product
    Ryzen 3 3100 Firmware
    Vendor
    Amd
    Product
    Ryzen 3 3200u
    Vendor
    Amd
    Product
    Ryzen 3 3200u Firmware
    Vendor
    Amd
    Product
    Ryzen 3 3250u
    Vendor
    Amd
    Product
    Ryzen 3 3250u Firmware
    Vendor
    Amd
    Product
    Ryzen 3 3300g
    Vendor
    Amd
    Product
    Ryzen 3 3300g Firmware
    Vendor
    Amd
    Product
    Ryzen 3 3300u
    Vendor
    Amd
    Product
    Ryzen 3 3300u Firmware
    Vendor
    Amd
    Product
    Ryzen 3 3300x
    Vendor
    Amd
    Product
    Ryzen 3 3300x Firmware
    Vendor
    Amd
    Product
    Ryzen 3 4300g
    Vendor
    Amd
    Product
    Ryzen 3 4300g Firmware
    Vendor
    Amd
    Product
    Ryzen 3 4300ge
    Vendor
    Amd
    Product
    Ryzen 3 4300ge Firmware
    Vendor
    Amd
    Product
    Ryzen 3 4300u
    Vendor
    Amd
    Product
    Ryzen 3 4300u Firmware
    Vendor
    Amd
    Product
    Ryzen 3 5125c
    Vendor
    Amd
    Product
    Ryzen 3 5125c Firmware
    Vendor
    Amd
    Product
    Ryzen 3 5400u
    Vendor
    Amd
    Product
    Ryzen 3 5400u Firmware
    Vendor
    Amd
    Product
    Ryzen 3 5425c
    Vendor
    Amd
    Product
    Ryzen 3 5425c Firmware
    Vendor
    Amd
    Product
    Ryzen 3 5425u
    Vendor
    Amd
    Product
    Ryzen 3 5425u Firmware
    Vendor
    Amd
    Product
    Ryzen 5 2500u
    Vendor
    Amd
    Product
    Ryzen 5 2500u Firmware
    Vendor
    Amd
    Product
    Ryzen 5 2600
    Vendor
    Amd
    Product
    Ryzen 5 2600 Firmware
    Vendor
    Amd
    Product
    Ryzen 5 2600h
    Vendor
    Amd
    Product
    Ryzen 5 2600h Firmware
    Vendor
    Amd
    Product
    Ryzen 5 2600x
    Vendor
    Amd
    Product
    Ryzen 5 2600x Firmware
    Vendor
    Amd
    Product
    Ryzen 5 2700
    Vendor
    Amd
    Product
    Ryzen 5 2700 Firmware
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    Amd
    Product
    Ryzen 5 2700x
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    Ryzen 5 2700x Firmware
    Vendor
    Amd
    Product
    Ryzen 5 3400g
    Vendor
    Amd
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    Ryzen 5 3400g Firmware
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    Amd
    Product
    Ryzen 5 3450g
    Vendor
    Amd
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    Ryzen 5 3450g Firmware
    Vendor
    Amd
    Product
    Ryzen 5 3500u
    Vendor
    Amd
    Product
    Ryzen 5 3500u Firmware
    Vendor
    Amd
    Product
    Ryzen 5 3550h
    Vendor
    Amd
    Product
    Ryzen 5 3550h Firmware
    Vendor
    Amd
    Product
    Ryzen 5 3580u
    Vendor
    Amd
    Product
    Ryzen 5 3580u Firmware
    Vendor
    Amd
    Product
    Ryzen 5 3600
    Vendor
    Amd
    Product
    Ryzen 5 3600 Firmware
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    Amd
    Product
    Ryzen 5 3600x
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    Product
    Ryzen 5 3600x Firmware
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    Amd
    Product
    Ryzen 5 3600xt
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    Ryzen 5 3600xt Firmware
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    Product
    Ryzen 5 4500u
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    Ryzen 5 4500u Firmware
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    Ryzen 5 4600g
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    Ryzen 5 4600g Firmware
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    Ryzen 5 4600ge
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    Ryzen 5 4600ge Firmware
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    Ryzen 5 4600h
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    Ryzen 5 4600h Firmware
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    Ryzen 5 4600u
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    Ryzen 5 4600u Firmware
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    Ryzen 5 5560u
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    Ryzen 5 5560u Firmware
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    Ryzen 5 5600h
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    Ryzen 5 5600h Firmware
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    Ryzen 5 5600hs
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    Ryzen 5 5600hs Firmware
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    Ryzen 5 5600u
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    Ryzen 5 5600u Firmware
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    Ryzen 5 5625c
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    Ryzen 5 5625c Firmware
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    Ryzen 5 5625u
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    Ryzen 5 5625u Firmware
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    Ryzen 7 2700
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    Ryzen 7 2700 Firmware
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    Ryzen 7 2700u
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    Ryzen 7 2700u Firmware
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    Ryzen 7 2700x
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    Ryzen 7 2700x Firmware
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    Ryzen 7 2800h
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    Ryzen 7 2800h Firmware
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    Ryzen 7 3700u
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    Ryzen 7 3700u Firmware
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    Ryzen 7 3700x
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    Ryzen 7 3700x Firmware
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    Ryzen 7 3750h
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    Ryzen 7 3750h Firmware
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    Ryzen 7 3780u
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    Ryzen 7 3780u Firmware
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    Ryzen 7 3800x
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    Ryzen 7 3800x Firmware
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    Ryzen 7 3800xt
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    Ryzen 7 4700g
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    Ryzen 7 Pro 3700u
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    Ryzen 7 Pro 3700u Firmware
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    Ryzen 9 4900h
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    Ryzen 9 5900hs
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    Ryzen 9 5980hs
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    Ryzen Threadripper 2920x
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    Ryzen Threadripper 2950x
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    Ryzen Threadripper 2950x Firmware
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    Ryzen Threadripper 2970wx
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    Ryzen Threadripper 2970wx Firmware
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    Ryzen Threadripper 2990wx
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    Ryzen Threadripper 2990wx Firmware
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    Ryzen Threadripper 3960x
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    Ryzen Threadripper 3960x Firmware
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    Ryzen Threadripper 3970x
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    Ryzen Threadripper 3970x Firmware
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    Ryzen Threadripper 3990x
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    Ryzen Threadripper 3990x Firmware
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    Ryzen Threadripper Pro 3795wx
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    Ryzen Threadripper Pro 3795wx Firmware
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    Ryzen Threadripper Pro 3945wx
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    Ryzen Threadripper Pro 3945wx Firmware
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    Ryzen Threadripper Pro 3955wx
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    Ryzen Threadripper Pro 3955wx Firmware
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    Ryzen Threadripper Pro 3995wx
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    Ryzen Threadripper Pro 3995wx Firmware
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    Ryzen Threadripper Pro 5945wx
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    Ryzen Threadripper Pro 5945wx Firmware
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    Ryzen Threadripper Pro 5955wx
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    Ryzen Threadripper Pro 5955wx Firmware
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    Ryzen Threadripper Pro 5965wx
    Vendor
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    Ryzen Threadripper Pro 5965wx Firmware
    Vendor
    Amd
    Product
    Ryzen Threadripper Pro 5975wx
    Vendor
    Amd
    Product
    Ryzen Threadripper Pro 5975wx Firmware
    Vendor
    Amd
    Product
    Ryzen Threadripper Pro 5995wx
    Vendor
    Amd
    Product
    Ryzen Threadripper Pro 5995wx Firmware
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Xen
    Product
    Xen

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-116 Excavation
    CAPEC-13 Subverting Environment Variable Values
    CAPEC-169 Footprinting
    CAPEC-22 Exploiting Trust in Client
    CAPEC-224 Fingerprinting
    CAPEC-285 ICMP Echo Request Ping
    CAPEC-287 TCP SYN Scan
    CAPEC-290 Enumerate Mail Exchange (MX) Records
    CAPEC-291 DNS Zone Transfers
    CAPEC-292 Host Discovery
    CAPEC-293 Traceroute Route Enumeration
    CAPEC-294 ICMP Address Mask Request
    CAPEC-295 Timestamp Request
    CAPEC-296 ICMP Information Request
    CAPEC-297 TCP ACK Ping
    CAPEC-298 UDP Ping
    CAPEC-299 TCP SYN Ping
    CAPEC-300 Port Scanning
    CAPEC-301 TCP Connect Scan
    CAPEC-302 TCP FIN Scan
    CAPEC-303 TCP Xmas Scan
    CAPEC-304 TCP Null Scan
    CAPEC-305 TCP ACK Scan
    CAPEC-306 TCP Window Scan
    CAPEC-307 TCP RPC Scan
    CAPEC-308 UDP Scan
    CAPEC-309 Network Topology Mapping
    CAPEC-310 Scanning for Vulnerable Software
    CAPEC-312 Active OS Fingerprinting
    CAPEC-313 Passive OS Fingerprinting
    CAPEC-317 IP ID Sequencing Probe
    CAPEC-318 IP 'ID' Echoed Byte-Order Probe
    CAPEC-319 IP (DF) 'Don't Fragment Bit' Echoing Probe
    CAPEC-320 TCP Timestamp Probe
    CAPEC-321 TCP Sequence Number Probe
    CAPEC-322 TCP (ISN) Greatest Common Divisor Probe
    CAPEC-323 TCP (ISN) Counter Rate Probe
    CAPEC-324 TCP (ISN) Sequence Predictability Probe
    CAPEC-325 TCP Congestion Control Flag (ECN) Probe
    CAPEC-326 TCP Initial Window Size Probe
    CAPEC-327 TCP Options Probe
    CAPEC-328 TCP 'RST' Flag Checksum Probe
    CAPEC-329 ICMP Error Message Quoting Probe
    CAPEC-330 ICMP Error Message Echoing Integrity Probe
    CAPEC-37 Retrieve Embedded Sensitive Data
    CAPEC-462 Cross-Domain Search Timing
    CAPEC-472 Browser Fingerprinting
    CAPEC-497 File Discovery
    CAPEC-508 Shoulder Surfing
    CAPEC-573 Process Footprinting
    CAPEC-574 Services Footprinting
    CAPEC-575 Account Footprinting
    CAPEC-576 Group Permission Footprinting
    CAPEC-577 Owner Footprinting
    CAPEC-59 Session Credential Falsification through Prediction
    CAPEC-60 Reusing Session IDs (aka Session Replay)
    CAPEC-616 Establish Rogue Location
    CAPEC-643 Identify Shared Files/Directories on System
    CAPEC-646 Peripheral Footprinting
    CAPEC-651 Eavesdropping
    CAPEC-79 Using Slashes in Alternate Encoding

    Related CVEs

    CVE-2022-27672 (CVSS 4.7) — When SMT is enabled, certain AMD processors may speculatively execute instructions using a target from the sib…
    CVE-2022-23825 (CVSS 6.5) — Aliases in the branch predictor may cause some AMD processors to predict the wrong branch type potentially lea…
    CVE-2022-29900 (CVSS 6.5) — Mis-trained branch predictions for return instructions may allow arbitrary speculative code execution under ce…
    CVE-2022-23823 (CVSS 6.5) — A potential vulnerability in some AMD processors using frequency scaling may allow an authenticated attacker t…
    CVE-2021-26401 (CVSS 5.6) — LFENCE/JMP (mitigation V2-2) may not sufficiently mitigate CVE-2017-5715 on some AMD CPUs.…
    CVE-2021-26341 (CVSS 6.5) — Some AMD CPUs may transiently execute beyond unconditional direct branches, which may potentially result in da…

    References

    http://www.openwall.com/lists/oss-security/2022/11/10/2
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NTQMPJC5N6XJYQ232OZFLK47HVZNRBY3/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YTMITQBGC23MSDHUCAPCVGLMVXIBXQTQ/
    https://security.gentoo.org/glsa/202402-07
    https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1040
    https://www.debian.org/security/2023/dsa-5378
    http://www.openwall.com/lists/oss-security/2022/11/10/2
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NTQMPJC5N6XJYQ232OZFLK47HVZNRBY3/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YTMITQBGC23MSDHUCAPCVGLMVXIBXQTQ/
    https://security.gentoo.org/glsa/202402-07
    https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1040
    https://www.debian.org/security/2023/dsa-5378

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High