CVE-2017-7482

NameCVE-2017-7482
DescriptionIn the Linux kernel before version 4.12, Kerberos 5 tickets decoded when using the RXRPC keys incorrectly assumes the size of a field. This could lead to the size-remaining variable wrapping and the data pointer going over the end of the buffer. This could possibly lead to memory corruption and possible privilege escalation.
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)
ReferencesDLA-1099-1, DSA-3927-1, DSA-3945-1
NVD severityhigh (attack range: local)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)jessie3.16.56-1+deb8u1fixed
jessie (security)3.16.59-1fixed
stretch4.9.130-2fixed
stretch (security)4.9.110-3+deb9u6fixed
buster, sid4.18.20-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)4.11.11-1high
linuxsourcejessie3.16.43-2+deb8u3highDSA-3945-1
linuxsourcestretch4.9.30-2+deb9u3highDSA-3927-1
linuxsourcewheezy3.2.93-1highDLA-1099-1

Notes

Fixed by: https://git.kernel.org/linus/5f2f97656ada8d811d3c1bef503ced266fcd53a0

Search for package or bug name: Reporting problems