CVE-2014-0055

NameCVE-2014-0055
DescriptionThe get_rx_bufs function in drivers/vhost/net.c in the vhost-net subsystem in the Linux kernel package before 2.6.32-431.11.2 on Red Hat Enterprise Linux (RHEL) 6 does not properly handle vhost_get_vq_desc errors, which allows guest OS users to cause a denial of service (host OS crash) via unspecified vectors.
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: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)jessie3.16.56-1+deb8u1fixed
jessie (security)3.16.57-2fixed
stretch4.9.110-1fixed
stretch (security)4.9.110-3+deb9u4fixed
buster4.18.6-1fixed
sid4.18.8-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)3.13.10-1medium
linuxsourcewheezy3.2.57-1medium
linux-2.6source(unstable)(not affected)

Notes

- linux-2.6 <not-affected> (Vulnerable code not present)
introduced in https://github.com/torvalds/linux/commit/8dd014adfea6f173c1ef6378f7e5e7924866c923
qemu is built with support for vhost_net, module loaded post-wheezy when linux < 3.4 but root:root 0600

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