CVE-2017-14317

NameCVE-2017-14317
DescriptionA domain cleanup issue was discovered in the C xenstore daemon (aka cxenstored) in Xen through 4.9.x. When shutting down a VM with a stubdomain, a race in cxenstored may cause a double-free. The xenstored daemon may crash, resulting in a DoS of any parts of the system relying on it (including domain creation / destruction, ballooning, device changes, etc.).
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-1132-1, DSA-4050-1
NVD severitymedium (attack range: local)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
xen (PTS)jessie (security), jessie4.4.1-9+deb8u10vulnerable
buster, sid, stretch4.8.3+xsa267+shim4.10.1+xsa267-1+deb9u9fixed
stretch (security)4.8.4+xsa273+shim4.10.1+xsa273-1+deb9u10fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
xensource(unstable)4.8.2+xsa245-0+deb9u1medium
xensourcestretch4.8.2+xsa245-0+deb9u1mediumDSA-4050-1
xensourcewheezy4.1.6.lts1-9mediumDLA-1132-1

Notes

https://xenbits.xen.org/xsa/advisory-233.html

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