SB2025091913 - Memory leak in Linux kernel objtool
Published: September 19, 2025 Updated: September 22, 2025
Security Bulletin ID
SB2025091913
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) Memory leak (CVE-ID: CVE-2023-53423)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the create_static_call_sections() function in tools/objtool/check.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/3a75866a5ceff5d4fdd5471e06c4c4d03e0298b3
- https://git.kernel.org/stable/c/3da73f102309fe29150e5c35acd20dd82063ff67
- https://git.kernel.org/stable/c/a1368eaea058e451d20ea99ca27e72d9df0d16dd
- https://git.kernel.org/stable/c/a8f63d747bf7c983882a5ea7456a5f84ad3acad5
- https://git.kernel.org/stable/c/d131718d9c45d559951f57c4b88209ca407433c4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.5