Race condition in Linux kernel - CVE-2023-52437

 

Race condition in Linux kernel - CVE-2023-52437

Published: February 26, 2024


Vulnerability identifier: #VU86776
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-52437
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper handling of MD_SB_CHANGE_PENDING flags in md/raid5 driver. A local user can exploit the race and crash the kernel.


Affected software

Linux kernel
Fedora
kernel

How to mitigate CVE-2023-52437

Install updates from vendor's website.

kernel - addressed in versions 6.7.6-100.fc38, 6.7.6-200.fc39

External References

Related Security Bulletins