UBUNTU-CVE-2022-47929

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    UBUNTU-CVE-2022-47929

    Published: 17 Jan 2023Last Modified: 9 Sept 2026
    Upstream:
    CVE-2022-47929
    Aliases:
    USN-5915-1
    USN-5917-1
    USN-5924-1

    Summary:

    Details: In the Linux kernel before 6.1.6, a NULL pointer dereference bug in the traffic control subsystem allows an unprivileged user to trigger a denial of service (system crash) via a crafted traffic control configuration that is set up with "tc qdisc" and "tc class" commands. This affects qdisc_graft in net/sched/sch_api.c.

    References: https://ubuntu.com/security/CVE-2022-47929, https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=96398560f26aa07e8f2969d73c8197e6a6d10407, https://tldp.org/HOWTO/Traffic-Control-HOWTO/components.html, https://www.spinics.net/lists/netdev/msg555705.html, https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.6, https://ubuntu.com/security/notices/USN-5915-1, https://ubuntu.com/security/notices/USN-5917-1, https://ubuntu.com/security/notices/USN-5924-1, https://ubuntu.com/security/notices/USN-5927-1, https://ubuntu.com/security/notices/USN-5934-1, https://ubuntu.com/security/notices/USN-5939-1, https://ubuntu.com/security/notices/USN-5940-1, https://ubuntu.com/security/notices/USN-5951-1, https://ubuntu.com/security/notices/USN-5975-1, https://ubuntu.com/security/notices/USN-5981-1, https://ubuntu.com/security/notices/USN-5984-1, https://ubuntu.com/security/notices/USN-5991-1, https://ubuntu.com/security/notices/USN-6000-1, https://ubuntu.com/security/notices/USN-6001-1, https://ubuntu.com/security/notices/USN-6009-1, https://ubuntu.com/security/notices/USN-6013-1, https://ubuntu.com/security/notices/USN-6014-1, https://ubuntu.com/security/notices/USN-6024-1, https://ubuntu.com/security/notices/USN-6025-1, https://ubuntu.com/security/notices/USN-6030-1, https://ubuntu.com/security/notices/USN-6040-1, https://ubuntu.com/security/notices/USN-6057-1, https://ubuntu.com/security/notices/USN-6134-1, https://ubuntu.com/security/notices/USN-6247-1, https://ubuntu.com/security/notices/USN-6248-1, https://www.cve.org/CVERecord?id=CVE-2022-47929

    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-2022-47929 | CVE-DB