CVE-2024-33619

Name	CVE-2024-33619
Description	In the Linux kernel, the following vulnerability has been resolved: efi: libstub: only free priv.runtime_map when allocated priv.runtime_map is only allocated when efi_novamap is not set. Otherwise, it is an uninitialized value. In the error path, it is freed unconditionally. Avoid passing an uninitialized value to free_pool. Free priv.runtime_map only when it was allocated. This bug was discovered and resolved using Coverity Static Analysis Security Testing (SAST) by Synopsys, Inc.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
linux (PTS)	buster	4.19.249-2	fixed
	buster (security)	4.19.316-1	fixed
	bullseye (security), bullseye	5.10.218-1	fixed
	bookworm	6.1.94-1	fixed
	bookworm (security)	6.1.90-1	vulnerable
	trixie	6.8.12-1	vulnerable
	sid	6.9.7-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version
linux	source	buster	(not affected)
linux	source	bullseye	(not affected)
linux	source	bookworm	6.1.94-1
linux	source	(unstable)	6.9.7-1

Notes

[bullseye] - linux <not-affected> (Vulnerable code not present)
[buster] - linux <not-affected> (Vulnerable code not present)
https://git.kernel.org/linus/4b2543f7e1e6b91cfc8dd1696e3cdf01c3ac8974 (6.10-rc1)