NULL Pointer Dereference Affecting kernel-syms-azure package, versions <5.14.21-150500.33.51.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.23% (13th percentile)

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  • Snyk IDSNYK-SLES155-KERNELSYMSAZURE-6843414
  • published15 May 2024
  • disclosed14 May 2024

Introduced: 14 May 2024

CVE-2023-52593  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade SLES:15.5 kernel-syms-azure to version 5.14.21-150500.33.51.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-syms-azure package and not the kernel-syms-azure package as distributed by SLES. See How to fix? for SLES:15.5 relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

wifi: wfx: fix possible NULL pointer dereference in wfx_set_mfp_ap()

Since 'ieee80211_beacon_get()' can return NULL, 'wfx_set_mfp_ap()' should check the return value before examining skb data. So convert the latter to return an appropriate error code and propagate it to return from 'wfx_start_ap()' as well. Compile tested only.

CVSS Base Scores

version 3.1