CVE-2018-19489

NameCVE-2018-19489
Descriptionv9fs_wstat in hw/9pfs/9p.c in QEMU allows guest OS users to cause a denial of service (crash) because of a race condition during file renaming.
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-1646-1
NVD severitylow (attack range: local)
Debian Bugs914727

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
qemu (PTS)jessie1:2.1+dfsg-12+deb8u6vulnerable
jessie (security)1:2.1+dfsg-12+deb8u9fixed
stretch1:2.8+dfsg-6+deb9u4vulnerable
stretch (security)1:2.8+dfsg-6+deb9u5vulnerable
buster1:3.1+dfsg-2fixed
sid1:3.1+dfsg-4fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
qemusource(unstable)1:3.1+dfsg-1low914727
qemusourcejessie1:2.1+dfsg-12+deb8u9lowDLA-1646-1
qemu-kvmsource(unstable)(unfixed)low

Notes

https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg04489.html
https://git.qemu.org/?p=qemu.git;a=commit;h=1d20398694a3b67a388d955b7a945ba4aa90a8a8 (master)

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