CVE-2021-47009

low-risk
Published 2024-02-28

In the Linux kernel, the following vulnerability has been resolved: KEYS: trusted: Fix memory leak on object td Two error return paths are neglecting to free allocated object td, causing a memory leak. Fix this by returning via the error return path that securely kfree's td. Fixes clang scan-build warning: security/keys/trusted-keys/trusted_tpm1.c:496:10: warning: Potential memory leak [unix.Malloc]

Do I need to act?

-
0.03% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (2)

Affected Vendors

Linux

References (8)

Patch https://git.kernel.org/stable/c/1c4031014106aff48e1e686e40101c31eab5d44c
Patch https://git.kernel.org/stable/c/31c9a4b24d86cbb36ff0d7a085725a3b4f0138c8
Patch https://git.kernel.org/stable/c/3e24fbd37e72e8a67b74991970fecc82d14f57af
Patch https://git.kernel.org/stable/c/83a775d5f9bfda95b1c295f95a3a041a40c7f321
Patch https://git.kernel.org/stable/c/1c4031014106aff48e1e686e40101c31eab5d44c
Patch https://git.kernel.org/stable/c/31c9a4b24d86cbb36ff0d7a085725a3b4f0138c8
Patch https://git.kernel.org/stable/c/3e24fbd37e72e8a67b74991970fecc82d14f57af
Patch https://git.kernel.org/stable/c/83a775d5f9bfda95b1c295f95a3a041a40c7f321
25
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 7/34 · Low