CVE-2024-49877

Name	CVE-2024-49877
Description	In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix possible null-ptr-deref in ocfs2_set_buffer_uptodate When doing cleanup, if flags without OCFS2_BH_READAHEAD, it may trigger NULL pointer dereference in the following ocfs2_set_buffer_uptodate() if bh is NULL.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-4008-1, DLA-4075-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
linux (PTS)	bullseye	5.10.223-1	vulnerable
	bullseye (security)	5.10.234-1	fixed
	bookworm	6.1.123-1	fixed
	bookworm (security)	6.1.128-1	fixed
	trixie	6.12.12-1	fixed
	sid	6.12.17-1	fixed
linux-6.1 (PTS)	bullseye (security)	6.1.128-1~deb11u1	fixed

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

Package	Type	Release	Fixed Version	Origin
linux	source	bullseye	5.10.234-1	DLA-4075-1
linux	source	bookworm	6.1.115-1
linux	source	(unstable)	6.11.4-1
linux-6.1	source	bullseye	6.1.119-1~deb11u1	DLA-4008-1

https://git.kernel.org/linus/33b525cef4cff49e216e4133cc48452e11c0391e (6.12-rc1)