SB2026012398 - Memory leak in Linux kernel keys trusted-keys
Published: January 23, 2026
Security Bulletin ID
SB2026012398
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-2025-71147)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the tpm2_load_cmd() function in security/keys/trusted-keys/trusted_tpm2.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/19166de9737218b77122c41a5730ac87025e089f
- https://git.kernel.org/stable/c/3fd7df4636d8fd5e3592371967a5941204368936
- https://git.kernel.org/stable/c/62cd5d480b9762ce70d720a81fa5b373052ae05f
- https://git.kernel.org/stable/c/9b015f2918b95bdde2ca9cefa10ef02b138aae1e
- https://git.kernel.org/stable/c/9e7c63c69f57b1db1a8a1542359a6167ff8fcef1
- https://git.kernel.org/stable/c/af0689cafb127a8d1af78cc8b72585c9b2a19ecd