SB20251226165 - Out-of-bounds read in Linux kernel lib
Published: December 26, 2025 Updated: December 31, 2025
Security Bulletin ID
SB20251226165
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) Out-of-bounds read (CVE-ID: CVE-2023-54135)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the mas_wr_slot_store() and mas_wr_store_entry() functions in lib/maple_tree.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/4e2ad53ababeaac44d71162650984abfe783960c
- https://git.kernel.org/stable/c/cd00dd2585c4158e81fdfac0bbcc0446afbad26d
- https://git.kernel.org/stable/c/dc4751bd4aba01ccfc02f91adfeee0ba4cda405c
- https://git.kernel.org/stable/c/f5fcf6555a2a4f32947d17b92b173837cc652891
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.1