CVE-2017-18270

NameCVE-2017-18270
DescriptionIn the Linux kernel before 4.13.5, a local user could create keyrings for other users via keyctl commands, setting unwanted defaults or causing a denial of service.
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 severitylow (attack range: local)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)jessie3.16.51-2vulnerable
jessie (security)3.16.56-1+deb8u1fixed
stretch4.9.82-1+deb9u3fixed
stretch (security)4.9.88-1+deb9u1fixed
buster4.16.12-1fixed
sid4.16.16-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)4.13.10-1low
linuxsourcejessie3.16.56-1low
linuxsourcestretch4.9.65-1low
linuxsourcewheezy3.2.101-1low

Notes

Fixed by: https://git.kernel.org/linus/237bbd29f7a049d310d907f4b2716a7feef9abf3 (4.14-rc3)

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