CVE-2021-3656

NameCVE-2021-3656
DescriptionKVM: nSVM: always intercept VMLOAD/VMSAVE when nested
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-2785-1, DSA-4978-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)jessie, jessie (lts)3.16.84-1vulnerable
stretch4.9.228-1fixed
stretch (security)4.9.272-2fixed
buster4.19.208-1fixed
buster (security)4.19.194-3vulnerable
bullseye5.10.70-1fixed
bullseye (security)5.10.46-5fixed
bookworm5.14.9-2fixed
sid5.14.12-1fixed
linux-4.19 (PTS)stretch (security)4.19.208-1~deb9u1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcejessie(unfixed)end-of-life
linuxsourcestretch(not affected)
linuxsourcebuster4.19.208-1
linuxsourcebullseye5.10.46-5DSA-4978-1
linuxsource(unstable)5.14.6-1
linux-4.19sourcestretch4.19.208-1~deb9u1DLA-2785-1

Notes

[stretch] - linux <not-affected> (Vulnerable code not present)
https://www.openwall.com/lists/oss-security/2021/08/16/1

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