SB2025102376 - Buffer overflow in Linux kernel block
Published: October 23, 2025 Updated: October 26, 2025
Security Bulletin ID
SB2025102376
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2022-50580)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the tg_with_in_bps_limit() function in block/blk-throttle.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/19c010ae44f0ce52b5436080492a61a092ee0cf4
- https://git.kernel.org/stable/c/70b2adb1d698fbc63d3b3848c452524dc15872c5
- https://git.kernel.org/stable/c/8d6bbaada2e0a65f9012ac4c2506460160e7237a
- https://git.kernel.org/stable/c/ca67b0563b39e79290c23e509319c178b9ca9104
- https://git.kernel.org/stable/c/cc6f0855bf8d9b729df28ff443ced7350c380dbd
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.17