Integer Overflow or Wraparound Affecting kernel-livepatch-4_12_14-197_78-default package, versions <13-2.2


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.05% (17th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-SLES151-KERNELLIVEPATCH4121419778DEFAULT-3265548
  • published14 Apr 2022
  • disclosed17 Nov 2021

Introduced: 17 Nov 2021

CVE-2021-41864  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

Upgrade SLES:15.1 kernel-livepatch-4_12_14-197_78-default to version 13-2.2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-livepatch-4_12_14-197_78-default package and not the kernel-livepatch-4_12_14-197_78-default package as distributed by SLES. See How to fix? for SLES:15.1 relevant fixed versions and status.

prealloc_elems_and_freelist in kernel/bpf/stackmap.c in the Linux kernel before 5.14.12 allows unprivileged users to trigger an eBPF multiplication integer overflow with a resultant out-of-bounds write.

CVSS Scores

version 3.1