USN-5039-1

Advisory lineage Upstream: 2 Downstream: 0
Published: 12 Aug 2021, 22:28
Last modified:23 May 2026, 01:32

Vulnerability Summary

Overall Risk (default)
minimal
0/100
CVSS Score
No data
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

12 Aug 2021, 22:28
Published
Vulnerability first disclosed
23 May 2026, 01:32
Last Modified
Vulnerability information updated

Description

linux, linux-aws, linux-kvm, linux-lts-xenial vulnerability Andy Nguyen discovered that the netfilter subsystem in the Linux kernel contained an out-of-bounds write in its setsockopt() implementation. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code.

Affected Systems

  • ubuntu•linux

    < 3.13.0-187.238 | < 4.4.0-213.245

  • ubuntu•linux-aws

    < 4.4.0-1095.100 | < 4.4.0-1131.145

  • ubuntu•linux-kvm

    < 4.4.0-1096.105

  • ubuntu•linux-lts-xenial

    < 4.4.0-213.245~14.04.1

References (2)