CVE-2019-7221

NameCVE-2019-7221
DescriptionThe KVM implementation in the Linux kernel through 4.20.5 has a Use-after-Free.
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-1731-1, DLA-1771-1
NVD severitymedium (attack range: local)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)jessie3.16.56-1+deb8u1vulnerable
jessie (security)3.16.68-2fixed
stretch4.9.168-1fixed
stretch (security)4.9.168-1+deb9u3fixed
buster, sid4.19.37-5fixed
linux-4.9 (PTS)jessie (security)4.9.168-1+deb9u3~deb8u1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)4.19.20-1medium
linuxsourcejessie3.16.64-1mediumDLA-1731-1
linuxsourcestretch4.9.161-1medium
linux-4.9sourcejessie4.9.168-1~deb8u1mediumDLA-1771-1

Notes

https://git.kernel.org/linus/ecec76885bcfe3294685dc363fd1273df0d5d65f
https://bugs.chromium.org/p/project-zero/issues/detail?id=1760

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