CVE-2018-19964

NameCVE-2018-19964
DescriptionAn issue was discovered in Xen 4.11.x allowing x86 guest OS users to cause a denial of service (host OS hang) because the p2m lock remains unavailable indefinitely in certain error conditions.
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)
NVD severitymedium (attack range: local)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
xen (PTS)jessie4.4.1-9+deb8u10fixed
jessie (security)4.4.4lts4-0+deb8u1fixed
stretch4.8.4+xsa273+shim4.10.1+xsa273-1+deb9u10fixed
stretch (security)4.8.5+shim4.10.2+xsa282-1+deb9u11fixed
buster, sid4.11.1-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
xensource(unstable)4.11.1-1medium
xensourcejessie(not affected)
xensourcestretch(not affected)

Notes

[stretch] - xen <not-affected> (Only affects 4.11)
[jessie] - xen <not-affected> (Only affects 4.11)
https://xenbits.xen.org/xsa/advisory-277.txt

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