Use After Free Affecting kernel-syms package, versions <5.14.21-150500.55.22.1


Severity

Recommended
high

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.23% (14th percentile)

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  • Snyk IDSNYK-SLES155-KERNELSYMS-5913013
  • published21 Sept 2023
  • disclosed21 Sept 2023

Introduced: 21 Sep 2023

CVE-2023-3863  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade SLES:15.5 kernel-syms to version 5.14.21-150500.55.22.1 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:15.5 relevant fixed versions and status.

A use-after-free flaw was found in nfc_llcp_find_local in net/nfc/llcp_core.c in NFC in the Linux kernel. This flaw allows a local user with special privileges to impact a kernel information leak issue.

CVSS Base Scores

version 3.1