CVE-2021-47543 Information

Description

In the Linux kernel the following vulnerability has been resolved:

perf report: Fix memory leaks around perf_tip()

perf_tip() may allocate memory or use a literal this means memory wasn’t freed if allocated. Change the API so that literals aren’t used.

At the same time add missing frees for system_path. These issues were spotted using leak sanitizer.

Reference

https://git.kernel.org/stable/c/df5990db088d4c7fea9a2f9b8195a7859e1768c4 https://git.kernel.org/stable/c/ff061b5bda73c4f785b4703eeb0848fd99e5608a https://git.kernel.org/stable/c/71e284dcebecb9fd204ff11097469cc547723ad1 https://git.kernel.org/stable/c/d9fc706108c15f8bc2d4ccccf8e50f74830fabd9