CVE-2022-4543

Name	CVE-2022-4543
Description	A flaw named "EntryBleed" was found in the Linux Kernel Page Table Isolation (KPTI). This issue could allow a local attacker to leak KASLR base via prefetch side-channels based on TLB timing for Intel systems.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, 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	vulnerable
	buster (security)	4.19.269-1	vulnerable
	bullseye	5.10.158-2	vulnerable
	bullseye (security)	5.10.162-1	vulnerable
	bookworm, sid	6.1.8-1	vulnerable

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
linux	source	(unstable)	(unfixed)

https://www.openwall.com/lists/oss-security/2022/12/16/3
https://www.willsroot.io/2022/12/entrybleed.html