CVE-2018-6412

NameCVE-2018-6412
DescriptionIn the function sbusfb_ioctl_helper() in drivers/video/fbdev/sbuslib.c in the Linux kernel through 4.15, an integer signedness error allows arbitrary information leakage for the FBIOPUTCMAP_SPARC and FBIOGETCMAP_SPARC commands.
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-1423-1
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)stretch4.9.228-1fixed
stretch (security)4.9.210-1+deb9u1fixed
buster4.19.146-1fixed
buster (security)4.19.118-2+deb10u1fixed
bullseye, sid5.8.10-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcewheezy3.2.102-1
linuxsourcejessie3.16.57-1
linuxsourcestretch4.9.107-1
linuxsource(unstable)4.16.5-1unimportant
linux-4.9sourcejessie4.9.110-1~deb8u1DLA-1423-1

Notes

https://marc.info/?l=linux-fbdev&m=151734425901499&w=2
The issue only affects SPARC systems.

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