Use After Free Affecting kernel-livepatch-5_14_21-150500_55_12-default package, versions <1-150500.11.3.2


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.34% (27th 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-SLES155-KERNELLIVEPATCH514211505005512DEFAULT-5819973
  • published4 Aug 2023
  • disclosed3 Aug 2023

Introduced: 3 Aug 2023

CVE-2023-3812  (opens in a new tab)
CWE-416  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade SLES:15.5 kernel-livepatch-5_14_21-150500_55_12-default to version 1-150500.11.3.2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-livepatch-5_14_21-150500_55_12-default package and not the kernel-livepatch-5_14_21-150500_55_12-default package as distributed by SLES. See How to fix? for SLES:15.5 relevant fixed versions and status.

An out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user generates a malicious (too big) networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate their privileges on the system.

CVSS Base Scores

version 3.1