CVE-2017-7308

NameCVE-2017-7308
DescriptionThe packet_set_ring function in net/packet/af_packet.c in the Linux kernel through 4.10.6 does not properly validate certain block-size data, which allows local users to cause a denial of service (integer signedness error and out-of-bounds write), or gain privileges (if the CAP_NET_RAW capability is held), 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-922-1
NVD severityhigh (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)3.2.96-2fixed
jessie3.16.51-2fixed
jessie (security)3.16.43-2+deb8u5fixed
stretch4.9.65-3fixed
stretch (security)4.9.30-2+deb9u5fixed
buster4.13.13-1fixed
sid4.14.2-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)4.9.18-1high
linuxsourcejessie3.16.43-1high
linuxsourcewheezy3.2.88-1highDLA-922-1

Notes

Fixed by: https://git.kernel.org/linus/2b6867c2ce76c596676bec7d2d525af525fdc6e2
Fixed by: https://git.kernel.org/linus/8f8d28e4d6d815a391285e121c3a53a0b6cb9e7b
Fixed by: https://git.kernel.org/linus/bcc5364bdcfe131e6379363f089e7b4108d35b70
https://googleprojectzero.blogspot.com/2017/05/exploiting-linux-kernel-via-packet.html

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