CVE-2021-47009 Information

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]

Reference

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