CVE-2017-14156

NameCVE-2017-14156
DescriptionThe atyfb_ioctl function in drivers/video/fbdev/aty/atyfb_base.c in the Linux kernel through 4.12.10 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel stack memory by reading locations associated with padding bytes.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-1099-1, DSA-3981-1
NVD severitylow (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+deb8u2vulnerable
jessie (security)3.16.43-2+deb8u5fixed
stretch4.9.30-2+deb9u2vulnerable
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)4.12.13-1low
linuxsourcejessie3.16.43-2+deb8u5lowDSA-3981-1
linuxsourcestretch4.9.30-2+deb9u5lowDSA-3981-1
linuxsourcewheezy3.2.93-1lowDLA-1099-1

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