CVE-2024-56573

efi/libstub: Free correct pointer on failure

EPSS 0.2%

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

27 Dec 2024Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

In the Linux kernel, the following vulnerability has been resolved: efi/libstub: Free correct pointer on failure cmdline_ptr is an out parameter, which is not allocated by the function itself, and likely points into the caller's stack. cmdline refers to the pool allocation that should be freed when cleaning up after a failure, so pass this instead to free_pool().

Affected products

Linux · Linux

References

https://git.kernel.org/stable/c/06d39d79cbd5a91a33707951ebf2512d0e759847 https://git.kernel.org/stable/c/d173aee5709bd0994d216d60589ec67f8b11376a https://git.kernel.org/stable/c/eaafbcf0a5782ae412ca7de12ef83fc48ccea4cf