CVE-2021-47009 - CVE House
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Status published Medium CVE-2021-47009

KEYS: trusted: Fix memory leak on object td

Vulnerability Description

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]

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Linux
Vulnerable Versions:
9d83cc1a1e7f494aedee2aa108e801d11525fccf, 8cfc8d62942105e5df4a20a15b24da077a6b24ef, 5df16caada3fba3b21cb09b85cdedf99507f4ec1, 5.10.20, 5.11.3, 5.12, 0, 5.10.38, 5.11.22, 5.12.5, 5.13

Timeline

Official Publish: February 28th, 2024
Last Modified: May 23rd, 2026
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.