CVE-2022-47929

Aliases:UBUNTU-CVE-2022-47929DEBIAN-CVE-2022-47929
Advisory lineage Upstream: 0 Downstream: 49
Modified
Published: 17 Jan 2023, 00:00
Last modified:04 Apr 2025, 18:01

Vulnerability Summary

Overall Risk (default)
medium
32/100
CVSS Score
5.5 MEDIUM
v3.1 (cve.org)
EPSS Score
0.96% LOW
1% probability +0.94%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

17 Jan 2023, 00:00
Published
Vulnerability first disclosed
04 Apr 2025, 18:01
Last Modified
Vulnerability information updated

Description

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.

CVSS Metrics

  • v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 0.96%• Percentile: 60%

Techniques & Countermeasures

  • CWE-476•NULL Pointer Dereference

    The product dereferences a pointer that it expects to be valid but is NULL.

Affected Systems

  • debian•linux

    < 5.10.162-1 | < 6.1.7-1 | < 6.1.7-1 | < 6.1.7-1

  • ubuntu•linux

    < 4.4.0-239.273 | < 4.15.0-208.220 | < 5.4.0-144.161 | < 5.15.0-70.77

  • ubuntu•linux-aws

    < 4.4.0-1117.123 | < 4.4.0-1155.170 | < 4.15.0-1153.166 | < 5.4.0-1097.105 | < 5.15.0-1034.38

  • ubuntu•linux-aws-5.0

    all

  • ubuntu•linux-aws-5.11

    all

  • ubuntu•linux-aws-5.13

    all

  • ubuntu•linux-aws-5.15

    < 5.15.0-1034.38~20.04.1

  • ubuntu•linux-aws-5.3

    all

  • ubuntu•linux-aws-5.4

    < 5.4.0-1097.105~18.04.1

  • ubuntu•linux-aws-5.8

    all

  • ubuntu•linux-aws-fips

    < 4.15.0-2092.98 | all | < 5.4.0-1099.107+fips1

  • ubuntu•linux-aws-hwe

    < 4.15.0-1153.166~16.04.1

  • ubuntu•linux-azure

    < 4.15.0-1162.177~14.04.1 | < 4.15.0-1162.177~16.04.1 | all | < 5.4.0-1104.110 | < 5.15.0-1036.43

  • ubuntu•linux-azure-4.15

    < 4.15.0-1162.177

  • ubuntu•linux-azure-5.11

    all

  • ubuntu•linux-azure-5.13

    all

  • ubuntu•linux-azure-5.15

    < 5.15.0-1036.43~20.04.1

  • ubuntu•linux-azure-5.19

    < 5.19.0-1023.24~22.04.1

  • ubuntu•linux-azure-5.3

    all

  • ubuntu•linux-azure-5.4

    < 5.4.0-1104.110~18.04.1

  • ubuntu•linux-azure-5.8

    all

  • ubuntu•linux-azure-edge

    all

  • ubuntu•linux-azure-fde

    < 5.15.0-1036.43.1

  • ubuntu•linux-azure-fips

    < 4.15.0-2071.77 | all | < 5.4.0-1104.110+fips1

  • ubuntu•linux-bluefield

    all | < 5.4.0-1059.65 | < 5.15.0-1015.17

  • ubuntu•linux-dell300x

    < 4.15.0-1062.67

  • ubuntu•linux-fips

    < 4.4.0-1088.95 | all | < 4.15.0-1108.119 | < 5.4.0-1073.82

  • ubuntu•linux-gcp

    < 4.15.0-1147.163~16.04.1 | all | < 5.4.0-1101.110 | < 5.15.0-1032.40

  • ubuntu•linux-gcp-4.15

    < 4.15.0-1147.163

  • ubuntu•linux-gcp-5.11

    all

  • ubuntu•linux-gcp-5.13

    all

  • ubuntu•linux-gcp-5.15

    < 5.15.0-1032.40~20.04.1

  • ubuntu•linux-gcp-5.3

    all

  • ubuntu•linux-gcp-5.4

    < 5.4.0-1101.110~18.04.1

  • ubuntu•linux-gcp-5.8

    all

  • ubuntu•linux-gcp-fips

    < 4.15.0-2055.60 | all | < 5.4.0-1101.110+fips1

  • ubuntu•linux-gke

    < 5.4.0-1095.102 | < 5.15.0-1031.36

  • ubuntu•linux-gke-4.15

    all

  • ubuntu•linux-gke-5.15

    < 5.15.0-1031.36~20.04.1

  • ubuntu•linux-gke-5.4

    all

  • ubuntu•linux-gkeop

    < 5.4.0-1065.69 | < 5.15.0-1018.23

  • ubuntu•linux-gkeop-5.15

    < 5.15.0-1018.23~20.04.1

  • ubuntu•linux-gkeop-5.4

    all

  • ubuntu•linux-hwe

    < 4.15.0-208.219~16.04.1 | all

  • ubuntu•linux-hwe-5.11

    all

  • ubuntu•linux-hwe-5.13

    all

  • ubuntu•linux-hwe-5.15

    < 5.15.0-70.77~20.04.1

  • ubuntu•linux-hwe-5.19

    < 5.19.0-40.41~22.04.1

  • ubuntu•linux-hwe-5.4

    < 5.4.0-144.161~18.04.1

  • ubuntu•linux-hwe-5.8

    all

Showing first 50 affected entries in server-rendered view.

References (35)