UBUNTU-CVE-2023-20593

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    UBUNTU-CVE-2023-20593

    Published: 24 Jul 2023Last Modified: 9 Sept 2026
    Upstream:
    CVE-2023-20593
    Aliases:
    USN-6244-1
    USN-6315-1
    USN-6316-1

    Summary:

    Details: An issue in “Zen 2” CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access sensitive information.

    References: https://ubuntu.com/security/CVE-2023-20593, https://lore.kernel.org/linux-firmware/[email protected]/T/#maa00a9e4b26bcdbf0370b24bdb082639ad0b8dd6, https://marc.info/?l=oss-security&m=169020885715049&w=2, https://lock.cmpxchg8b.com/zenbleed.html, https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7008.html, https://github.com/google/security-research/security/advisories/GHSA-v6wh-rxpg-cmm8, https://ubuntu.com/security/notices/USN-6244-1, https://ubuntu.com/security/notices/USN-6315-1, https://ubuntu.com/security/notices/USN-6316-1, https://ubuntu.com/security/notices/USN-6317-1, https://ubuntu.com/security/notices/USN-6318-1, https://ubuntu.com/security/notices/USN-6321-1, https://ubuntu.com/security/notices/USN-6324-1, https://ubuntu.com/security/notices/USN-6325-1, https://ubuntu.com/security/notices/USN-6328-1, https://ubuntu.com/security/notices/USN-6329-1, https://ubuntu.com/security/notices/USN-6330-1, https://ubuntu.com/security/notices/USN-6331-1, https://ubuntu.com/security/notices/USN-6332-1, https://ubuntu.com/security/notices/USN-6342-1, https://ubuntu.com/security/notices/USN-6346-1, https://ubuntu.com/security/notices/USN-6348-1, https://ubuntu.com/security/notices/USN-6342-2, https://ubuntu.com/security/notices/USN-6357-1, https://ubuntu.com/security/notices/USN-6385-1, https://ubuntu.com/security/notices/USN-6397-1, https://ubuntu.com/security/notices/USN-6532-1, https://www.cve.org/CVERecord?id=CVE-2023-20593

    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 -4.4.0-1125.131

    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
    4.4.0-1120.126
    4.4.0-1121.127
    4.4.0-1122.128
    4.4.0-1123.129
    4.4.0-1124.130

    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-2023-20593 | CVE-DB