SB20240530139 - Memory leak in Linux kernel trusted-keys
Published: May 30, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240530139
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-2021-47009)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the tpm_seal() function in security/keys/trusted-keys/trusted_tpm1.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/31c9a4b24d86cbb36ff0d7a085725a3b4f0138c8
- https://git.kernel.org/stable/c/1c4031014106aff48e1e686e40101c31eab5d44c
- https://git.kernel.org/stable/c/3e24fbd37e72e8a67b74991970fecc82d14f57af
- https://git.kernel.org/stable/c/83a775d5f9bfda95b1c295f95a3a041a40c7f321
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.38
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.22
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13