CVE-2020-25212

Name	CVE-2020-25212
Description	A TOCTOU mismatch in the NFS client code in the Linux kernel before 5.8.3 could be used by local attackers to corrupt memory or possibly have unspecified other impact because a size check is in fs/nfs/nfs4proc.c instead of fs/nfs/nfs4xdr.c, aka CID-b4487b935452.
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-2385-1, DLA-2420-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
linux (PTS)	bullseye	5.10.223-1	fixed
	bullseye (security)	5.10.226-1	fixed
	bookworm	6.1.115-1	fixed
	bookworm (security)	6.1.112-1	fixed
	trixie	6.11.7-1	fixed
	sid	6.11.9-1	fixed

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

Package	Type	Release	Fixed Version	Origin
linux	source	stretch	4.9.240-1	DLA-2420-1
linux	source	buster	4.19.146-1
linux	source	(unstable)	5.7.17-1
linux-4.19	source	stretch	4.19.146-1~deb9u1	DLA-2385-1

https://git.kernel.org/linus/b4487b93545214a9db8cbf32e86411677b0cca21