CVE-2016-4805

NameCVE-2016-4805
DescriptionUse-after-free vulnerability in drivers/net/ppp/ppp_generic.c in the Linux kernel before 4.5.2 allows local users to cause a denial of service (memory corruption and system crash, or spinlock) or possibly have unspecified other impact by removing a network namespace, related to the ppp_register_net_channel and ppp_unregister_channel functions.
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)
ReferencesDSA-3607-1
NVD severityhigh

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)stretch4.9.228-1fixed
stretch (security)4.9.210-1+deb9u1fixed
buster4.19.132-1fixed
buster (security)4.19.118-2+deb10u1fixed
bullseye, sid5.7.10-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcewheezy3.2.81-1
linuxsourcejessie3.16.7-ckt25-2+deb8u2DSA-3607-1
linuxsource(unstable)4.5.2-1

Notes

Fixed by: https://git.kernel.org/linus/1f461dcdd296eecedaffffc6bae2bfa90bd7eb89 (v4.6-rc1)
Introduced by: https://git.kernel.org/linus/273ec51dd7ceaa76e038875d85061ec856d8905e (v2.6.30)

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