Uncontrolled Recursion Affecting kernel-syms package, versions <5.3.18-150300.59.121.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.04% (15th percentile)

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  • Snyk IDSNYK-SLES153-KERNELSYMS-5507321
  • published10 May 2023
  • disclosed9 May 2023

Introduced: 9 May 2023

CVE-2020-36691  (opens in a new tab)
CWE-674  (opens in a new tab)

How to fix?

Upgrade SLES:15.3 kernel-syms to version 5.3.18-150300.59.121.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-syms package and not the kernel-syms package as distributed by SLES. See How to fix? for SLES:15.3 relevant fixed versions and status.

An issue was discovered in the Linux kernel before 5.8. lib/nlattr.c allows attackers to cause a denial of service (unbounded recursion) via a nested Netlink policy with a back reference.

CVSS Scores

version 3.1