UBUNTU-CVE-2022-29901

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    UBUNTU-CVE-2022-29901

    Published: 12 Jul 2022Last Modified: 14 Sept 2026
    Upstream:
    CVE-2022-29901
    Aliases:
    USN-5564-1
    USN-5565-1
    USN-5566-1

    Summary:

    Details: Intel microprocessor generations 6 to 8 are affected by a new Spectre variant that is able to bypass their retpoline mitigation in the kernel to leak arbitrary data. An attacker with unprivileged user access can hijack return instructions to achieve arbitrary speculative code execution under certain microarchitecture-dependent conditions.

    References: https://ubuntu.com/security/CVE-2022-29901, https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00702.html, https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/advisory-guidance/return-stack-buffer-underflow.html, https://community.intel.com/t5/Blogs/Products-and-Solutions/Security/Chips-Salsa-Episode-21-July-2022-Security-Advisories-Retbleed/post/1399055, https://www.intel.com/content/www/us/en/developer/topic-technology/software-security-guidance/processors-affected-consolidated-product-cpu-model.html, https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/Retbleed, https://xenbits.xen.org/xsa/advisory-407.html, https://ubuntu.com/security/notices/USN-5564-1, https://ubuntu.com/security/notices/USN-5565-1, https://ubuntu.com/security/notices/USN-5566-1, https://ubuntu.com/security/notices/USN-5728-1, https://ubuntu.com/security/notices/USN-5728-2, https://ubuntu.com/security/notices/USN-5728-3, https://ubuntu.com/security/notices/USN-5854-1, https://ubuntu.com/security/notices/USN-5861-1, https://ubuntu.com/security/notices/USN-5862-1, https://ubuntu.com/security/notices/USN-5865-1, https://ubuntu.com/security/notices/USN-5883-1, https://ubuntu.com/security/notices/USN-5924-1, https://ubuntu.com/security/notices/USN-5975-1, https://ubuntu.com/security/notices/USN-6007-1, https://ubuntu.com/security/notices/USN-6221-1, https://www.cve.org/CVERecord?id=CVE-2022-29901

    Affected packages

    Package

    Name: linux-aws

    Purl: pkg:deb/ubuntu/linux-aws?arch=source&distro=trusty%2Fesm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.4.0-1120.126

    Affected versions

    4.4.0-1002.2
    4.4.0-1003.3
    4.4.0-1005.5
    4.4.0-1006.6
    4.4.0-1009.9
    4.4.0-1010.10
    4.4.0-1011.11
    4.4.0-1012.12
    4.4.0-1014.14
    4.4.0-1016.16
    4.4.0-1017.17
    4.4.0-1019.19
    4.4.0-1022.22
    4.4.0-1023.23
    4.4.0-1024.25
    4.4.0-1025.26
    4.4.0-1027.30
    4.4.0-1028.31
    4.4.0-1029.32
    4.4.0-1031.34
    4.4.0-1032.35
    4.4.0-1034.37
    4.4.0-1036.39
    4.4.0-1037.40
    4.4.0-1038.41
    4.4.0-1039.42
    4.4.0-1040.43
    4.4.0-1042.45
    4.4.0-1044.47
    4.4.0-1045.48
    4.4.0-1046.50
    4.4.0-1048.52
    4.4.0-1050.54
    4.4.0-1052.56
    4.4.0-1054.58
    4.4.0-1055.59
    4.4.0-1056.60
    4.4.0-1058.62
    4.4.0-1059.63
    4.4.0-1060.64
    4.4.0-1061.65
    4.4.0-1062.66
    4.4.0-1064.68
    4.4.0-1065.69
    4.4.0-1066.70
    4.4.0-1067.71
    4.4.0-1073.77
    4.4.0-1074.78
    4.4.0-1075.79
    4.4.0-1076.80
    4.4.0-1077.81
    4.4.0-1078.82
    4.4.0-1081.85
    4.4.0-1082.86
    4.4.0-1083.87
    4.4.0-1085.89
    4.4.0-1086.90
    4.4.0-1087.91
    4.4.0-1088.92
    4.4.0-1090.94
    4.4.0-1091.95
    4.4.0-1092.96
    4.4.0-1093.97
    4.4.0-1094.99
    4.4.0-1095.100
    4.4.0-1096.101
    4.4.0-1097.102
    4.4.0-1098.103
    4.4.0-1099.104
    4.4.0-1101.106
    4.4.0-1102.107
    4.4.0-1103.108
    4.4.0-1104.109
    4.4.0-1107.113
    4.4.0-1109.115
    4.4.0-1110.116
    4.4.0-1111.117
    4.4.0-1112.118
    4.4.0-1113.119
    4.4.0-1114.120
    4.4.0-1115.121
    4.4.0-1116.122
    4.4.0-1117.123
    4.4.0-1118.124
    4.4.0-1119.125

    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
    UBUNTU-CVE-2022-29901 | CVE-DB