CVE-2021-3347

Name	CVE-2021-3347
Description	An issue was discovered in the Linux kernel through 5.10.11. PI futexes have a kernel stack use-after-free during fault handling, allowing local users to execute code in the kernel, aka CID-34b1a1ce1458.
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-2557-1, DLA-2586-1, DSA-4843-1

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	4.9.258-1	DLA-2586-1
linux	source	buster	4.19.171-2	DSA-4843-1
linux	source	(unstable)	5.10.12-1
linux-4.19	source	stretch	4.19.171-2~deb9u1	DLA-2557-1

https://www.openwall.com/lists/oss-security/2021/01/29/1