CVE-2021-28690

Name	CVE-2021-28690
Description	x86: TSX Async Abort protections not restored after S3 This issue relates to the TSX Async Abort speculative security vulnerability. Please see https://xenbits.xen.org/xsa/advisory-305.html for details. Mitigating TAA by disabling TSX (the default and preferred option) requires selecting a non-default setting in MSR_TSX_CTRL. This setting isn't restored after S3 suspend.
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)
References	DSA-4931-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
xen (PTS)	buster, buster (security)	4.11.4+107-gef32c7afa2-1	fixed
	bullseye	4.14.5+86-g1c354767d5-1	fixed
	bullseye (security)	4.14.5+94-ge49571868d-1	fixed
	bookworm, sid	4.17.0+46-gaaf74a532c-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin
xen	source	stretch	(unfixed)	end-of-life
xen	source	buster	4.11.4+107-gef32c7afa2-1		DSA-4931-1
xen	source	(unstable)	4.14.2+25-gb6a8c4f72d-1

[stretch] - xen <end-of-life> (DSA 4602-1)
https://xenbits.xen.org/xsa/advisory-377.html