SB20251001137 - Buffer overflow in Linux kernel ubifs
Published: October 1, 2025 Updated: October 27, 2025
Security Bulletin ID
SB20251001137
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-2023-53468)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the alloc_wbufs() function in fs/ubifs/super.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/1f206002c6bc302bface871ef3f72c0bbcaa931c
- https://git.kernel.org/stable/c/26ec45f1c504e15268383019df139d7983f1e67f
- https://git.kernel.org/stable/c/3e29634eb56e6547272fe4e568f63421f8b3b9fa
- https://git.kernel.org/stable/c/4a1ff3c5d04b9079b4f768d9a71b51c4af578dd2
- https://git.kernel.org/stable/c/bf50229494f0443b3f08427d7df63e5a7e2a796a
- https://git.kernel.org/stable/c/e11f36d3bc4d23f620754a948fe7b82b63dcb185
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.5