CVE-2022-36946

Aliases:UBUNTU-CVE-2022-36946DEBIAN-CVE-2022-36946USN-5590-1USN-5634-1
Advisory lineage Upstream: 1 Downstream: 55
Modified
Published: 27 Jul 2022, 00:00
Last modified:05 May 2025, 16:13

Vulnerability Summary

Overall Risk (default)
medium
31/100
CVSS Score
7.5 HIGH
v3.1 (cve.org)
EPSS Score
7.16% LOW
7% probability +2.46%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

27 Jul 2022, 00:00
Published
Vulnerability first disclosed
05 May 2025, 16:13
Last Modified
Vulnerability information updated

Description

nfqnl_mangle in net/netfilter/nfnetlink_queue.c in the Linux kernel through 5.18.14 allows remote attackers to cause a denial of service (panic) because, in the case of an nf_queue verdict with a one-byte nfta_payload attribute, an skb_pull can encounter a negative skb->len.

CVSS Metrics

  • v4.0•MEDIUM•Score: 6.8CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 7.16%• Percentile: 94%

Affected Systems

  • debian•linux

    < 5.10.136-1 | < 5.18.16-1 | < 5.18.16-1 | < 5.18.16-1

  • ubuntu•linux

    all | < 4.4.0-234.268 | < 4.15.0-193.204 | < 5.4.0-126.142 | < 5.15.0-48.54

  • ubuntu•linux-aws

    < 4.4.0-1113.119 | < 4.4.0-1150.165 | < 4.15.0-1141.152 | < 5.4.0-1085.92 | < 5.15.0-1020.24

  • ubuntu•linux-aws-5.0

    all

  • ubuntu•linux-aws-5.11

    all

  • ubuntu•linux-aws-5.13

    all

  • ubuntu•linux-aws-5.15

    < 5.15.0-1020.24~20.04.1

  • ubuntu•linux-aws-5.3

    all

  • ubuntu•linux-aws-5.4

    < 5.4.0-1085.92~18.04.1

  • ubuntu•linux-aws-5.8

    all

  • ubuntu•linux-aws-fips

    < 4.15.0-2080.85 | all | < 5.4.0-1085.92+fips1

  • ubuntu•linux-aws-hwe

    < 4.15.0-1141.152~16.04.1

  • ubuntu•linux-azure

    < 4.15.0-1151.166~14.04.1 | < 4.15.0-1151.166~16.04.1 | all | < 5.4.0-1091.96 | < 5.15.0-1020.25

  • ubuntu•linux-azure-4.15

    < 4.15.0-1151.166

  • ubuntu•linux-azure-5.11

    all

  • ubuntu•linux-azure-5.13

    all

  • ubuntu•linux-azure-5.15

    < 5.15.0-1020.25~20.04.1

  • ubuntu•linux-azure-5.3

    all

  • ubuntu•linux-azure-5.4

    < 5.4.0-1091.96~18.04.1

  • ubuntu•linux-azure-5.8

    all

  • ubuntu•linux-azure-edge

    all

  • ubuntu•linux-azure-fde

    < 5.15.0-1024.30.1

  • ubuntu•linux-azure-fips

    < 4.15.0-2062.68 | all | < 5.4.0-1091.96+fips1

  • ubuntu•linux-bluefield

    all | < 5.4.0-1046.51

  • ubuntu•linux-dell300x

    < 4.15.0-1053.58

  • ubuntu•linux-fips

    < 4.4.0-1083.90 | all | < 4.15.0-1098.109 | < 5.4.0-1061.69

  • ubuntu•linux-gcp

    < 4.15.0-1136.152~16.04.1 | all | < 5.4.0-1089.97 | < 5.15.0-1018.24

  • ubuntu•linux-gcp-4.15

    < 4.15.0-1136.152

  • ubuntu•linux-gcp-5.11

    all

  • ubuntu•linux-gcp-5.13

    all

  • ubuntu•linux-gcp-5.15

    < 5.15.0-1018.24~20.04.1

  • ubuntu•linux-gcp-5.3

    all

  • ubuntu•linux-gcp-5.4

    < 5.4.0-1089.97~18.04.1

  • ubuntu•linux-gcp-5.8

    all

  • ubuntu•linux-gcp-fips

    < 4.15.0-2045.50 | all | < 5.4.0-1089.97+fips1

  • ubuntu•linux-gke

    < 5.4.0-1083.89 | < 5.15.0-1016.19

  • ubuntu•linux-gke-4.15

    all

  • ubuntu•linux-gke-5.15

    < 5.15.0-1016.19~20.04.1

  • ubuntu•linux-gke-5.4

    all

  • ubuntu•linux-gkeop

    < 5.4.0-1053.56 | < 5.15.0-1003.5

  • ubuntu•linux-gkeop-5.4

    all

  • ubuntu•linux-hwe

    < 4.15.0-193.204~16.04.1 | all

  • ubuntu•linux-hwe-5.11

    all

  • ubuntu•linux-hwe-5.13

    all

  • ubuntu•linux-hwe-5.15

    < 5.15.0-48.54~20.04.1

  • ubuntu•linux-hwe-5.4

    < 5.4.0-126.142~18.04.1

  • ubuntu•linux-hwe-5.8

    all

  • ubuntu•linux-hwe-edge

    all | all

  • ubuntu•linux-ibm

    < 5.4.0-1033.37 | < 5.15.0-1015.17

  • ubuntu•linux-ibm-5.4

    < 5.4.0-1033.37~18.04.1

Showing first 50 affected entries in server-rendered view.

References (30)