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…

Description

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.

Scores

EPSS (exploitation in 30 days)

0.65% · top 49% of all CVEs (5 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.7.

Weakness

• n/a
• CWE-264 (opens in a new tab)All about CWE-264 and its CVEs

Affected products

• n/a

  • affected n/a

References (21)

• USN-2135-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• USN-2138-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• USN-2113-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• USN-2141-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• https://bugzilla.redhat.com/show_bug.cgi?id=1052914 (opens in a new tab)x_refsource_CONFIRMx_transferred
• [oss-security] 20140114 Re: Linux kernel: missing CPU-state sanitation during task-switch causes DOS / privilege escalation (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• USN-2136-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• 64781 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• USN-2139-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• FEDORA-2014-1062 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=26bef1318adc1b3a530ecc807ef99346db2aa8b0 (opens in a new tab)x_refsource_CONFIRMx_transferred
• USN-2134-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.12.8 (opens in a new tab)x_refsource_CONFIRMx_transferred
• MDVSA-2014:038 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
• USN-2117-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• https://github.com/torvalds/linux/commit/26bef1318adc1b3a530ecc807ef99346db2aa8b0 (opens in a new tab)x_refsource_CONFIRMx_transferred
• USN-2133-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• 1029592 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• FEDORA-2014-1072 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• [linux-kernel] 20140110 Re: Sanitize CPU-state when switching tasks (was sanitize CPU-state when switching from virtual-8086 mode to other task) (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• http://www.halfdog.net/Security/2013/Vm86SyscallTaskSwitchKernelPanic/ (opens in a new tab)x_refsource_MISCx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2014-1438](https://trackcve.app/badge/CVE-2014-1438.svg)](https://trackcve.app/cve/CVE-2014-1438)

Record last updated 6 Aug 2024, 09:42 UTC.