CVE-2017-9242

NameCVE-2017-9242
DescriptionThe __ip6_append_data function in net/ipv6/ip6_output.c in the Linux kernel through 4.11.3 is too late in checking whether an overwrite of an skb data structure may occur, which allows local users to cause a denial of service (system crash) via crafted system calls.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-993-1, DSA-3886-1
NVD severitymedium (attack range: local)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)wheezy3.2.78-1vulnerable
wheezy (security)3.2.93-1fixed
jessie3.16.43-2+deb8u2fixed
jessie (security)3.16.43-2+deb8u5fixed
stretch4.9.30-2+deb9u2fixed
stretch (security)4.9.30-2+deb9u5fixed
buster, sid4.12.13-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)4.9.30-1medium
linuxsourcejessie3.16.43-2+deb8u1mediumDSA-3886-1
linuxsourcewheezy3.2.89-1mediumDLA-993-1

Notes

https://git.kernel.org/linus/232cd35d0804cc241eb887bb8d4d9b3b9881c64a

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