UBUNTU-CVE-2022-2663

    Dashboard / Vulnerabilities / UBUNTU-CVE-2022-2663

    UBUNTU-CVE-2022-2663

    Published: 1 Sept 2022Last Modified: 9 Sept 2026
    Upstream:
    CVE-2022-2663
    Aliases:
    USN-5791-1
    USN-5791-2
    USN-5791-3

    Summary:

    Details: An issue was found in the Linux kernel in nf_conntrack_irc where the message handling can be confused and incorrectly matches the message. A firewall may be able to be bypassed when users are using unencrypted IRC with nf_conntrack_irc configured.

    References: https://ubuntu.com/security/CVE-2022-2663, https://www.openwall.com/lists/oss-security/2022/08/30/1, https://lore.kernel.org/netfilter-devel/[email protected]/T/, https://dgl.cx/2022/08/nat-again-irc-cve-2022-2663, https://ubuntu.com/security/notices/USN-5791-1, https://ubuntu.com/security/notices/USN-5792-1, https://ubuntu.com/security/notices/USN-5793-1, https://ubuntu.com/security/notices/USN-5791-2, https://ubuntu.com/security/notices/USN-5792-2, https://ubuntu.com/security/notices/USN-5793-2, https://ubuntu.com/security/notices/USN-5791-3, https://ubuntu.com/security/notices/USN-5793-3, https://ubuntu.com/security/notices/USN-5793-4, https://ubuntu.com/security/notices/USN-5815-1, 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-5877-1, 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-6001-1, https://ubuntu.com/security/notices/USN-6007-1, https://ubuntu.com/security/notices/USN-6013-1, https://ubuntu.com/security/notices/USN-6014-1, https://ubuntu.com/security/notices/USN-6247-1, https://www.cve.org/CVERecord?id=CVE-2022-2663

    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 -4.4.0-1117.123

    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

    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-2022-2663 | CVE-DB