CVE-2014-1438
The 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.
- EPSS
- 0.7% chance of exploitation in the next 30 days; higher than 51% of CVEs (scores of 2026-10-31)
- CWE
- CWE-264
- Published
- Modified
- Record from
- the NVD, synced
Affected
- linux:linux_kernel
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=26bef1318adc1b3a530ecc807ef99346db2aa8b0
- http://lists.fedoraproject.org/pipermail/package-announce/2014-January/126858.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-January/126874.html
- http://www.halfdog.net/Security/2013/Vm86SyscallTaskSwitchKernelPanic/
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.12.8