SB20251230298 - Buffer overflow in Linux kernel md driver
Published: December 30, 2025 Updated: December 30, 2025
Security Bulletin ID
SB20251230298
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-2023-54317)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the corrupt_bio_data() function in drivers/md/dm-flakey.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/3c4a56ef7c538d16c1738ba0ccea9e7146105b5a
- https://git.kernel.org/stable/c/63d31617883d64b43b0e2d529f0751f40713ecae
- https://git.kernel.org/stable/c/98e311be44dbe31ad9c42aa067b2359bac451fda
- https://git.kernel.org/stable/c/b7f8892f672222dbfcc721f51edc03963212b249
- https://git.kernel.org/stable/c/be360c83f2d810493c04f999d69ec9152981e0c0
- https://git.kernel.org/stable/c/f2b478228bfdd11e358c5bc197561331f5d5c394
- https://git.kernel.org/stable/c/f50714b57aecb6b3dc81d578e295f86d9c73f078
- https://git.kernel.org/stable/c/ff60b2bb680ebcaf8890814dd51084a022891469
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.99