Race Condition Affecting kernel-azure package, versions <5.3.18-150300.38.80.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.07% (30th percentile)

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  • Snyk IDSNYK-SLES153-KERNELAZURE-3052230
  • published19 Oct 2022
  • disclosed18 Oct 2022

Introduced: 18 Oct 2022

CVE-2022-41849  (opens in a new tab)
CWE-362  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade SLES:15.3 kernel-azure to version 5.3.18-150300.38.80.1 or higher.

NVD Description

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

drivers/video/fbdev/smscufx.c in the Linux kernel through 5.19.12 has a race condition and resultant use-after-free if a physically proximate attacker removes a USB device while calling open(), aka a race condition between ufx_ops_open and ufx_usb_disconnect.

CVSS Scores

version 3.1