CVE-2014-1438

NameCVE-2014-1438
DescriptionThe restore_fpu_checking function in arch/x86/include/asm/fpu-internal.h in the Linux kernel before 3.12.8 on the AMD K7 and K8 platforms does not clear pending exceptions before proceeding to an EMMS instruction, which allows local users to cause a denial of service (task kill) or possibly gain privileges via a crafted application.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-0007-1
Debian Bugs733551

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)jessie, jessie (lts)3.16.84-1fixed
stretch (security)4.9.320-2fixed
stretch (lts), stretch4.9.320-3fixed
buster4.19.249-2fixed
buster (security)4.19.304-1fixed
bullseye5.10.209-2fixed
bullseye (security)5.10.205-2fixed
bookworm6.1.76-1fixed
bookworm (security)6.1.69-1fixed
sid, trixie6.6.15-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcewheezy3.2.54-1
linuxsource(unstable)3.12.8-1733551
linux-2.6sourcesqueeze2.6.32-48squeeze7
linux-2.6source(unstable)(unfixed)

Notes

http://www.halfdog.net/Security/2013/Vm86SyscallTaskSwitchKernelPanic/
http://git.kernel.org/cgit/linux/kernel/git/tip/tip.git/commit/?id=26bef1318adc1b3a530ecc807ef99346db2aa8b0

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