CVE-2016-8646

NameCVE-2016-8646
DescriptionThe hash_accept function in crypto/algif_hash.c in the Linux kernel before 4.3.6 allows local users to cause a denial of service (OOPS) by attempting to trigger use of in-kernel hash algorithms for a socket that has received zero bytes of data.
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

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)jessie3.16.56-1+deb8u1fixed
jessie (security)3.16.81-1fixed
stretch4.9.210-1fixed
stretch (security)4.9.189-3+deb9u2fixed
buster4.19.98-1fixed
buster (security)4.19.67-2+deb10u2fixed
bullseye5.4.19-1fixed
sid5.5.13-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)4.4.2-1
linuxsourcejessie3.16.7-ckt25-1
linuxsourcewheezy3.2.78-1

Notes

https://lkml.org/lkml/2016/10/12/198
Fixed by: https://git.kernel.org/linus/4afa5f9617927453ac04b24b584f6c718dfb4f45 (v4.4-rc2)

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