Race condition in arch/x86/kvm/x86.c in the Linux kernel before 3.17.4 allows guest OS users to cause a denial of service (guest OS crash)…

Description

Race condition in arch/x86/kvm/x86.c in the Linux kernel before 3.17.4 allows guest OS users to cause a denial of service (guest OS crash) via a crafted application that performs an MMIO transaction or a PIO transaction to trigger a guest userspace emulation error report, a similar issue to CVE-2010-5313.

Scores

EPSS (exploitation in 30 days)

0.37% · top 69% of all CVEs (5 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.9.

Weakness

• n/a
• CWE-362 (opens in a new tab)All about CWE-362 and its CVEs

Affected products

• n/a

  • affected n/a

References (17)

• RHSA-2016:0855 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• SUSE-SU-2015:0736 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• 71078 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• SUSE-SU-2015:0652 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• [oss-security] 20141113 CVE-2014-7842 Linux kernel: kvm: reporting emulation failures to userspace (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a2b9e6c1a35afcc0973acb72e591c714e78885ff (opens in a new tab)x_refsource_CONFIRMx_transferred
• 62326 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• https://github.com/torvalds/linux/commit/a2b9e6c1a35afcc0973acb72e591c714e78885ff (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• SUSE-SU-2015:0481 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• openSUSE-SU-2015:0566 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• 62336 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.17.4 (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://bugzilla.redhat.com/show_bug.cgi?id=1163762 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 62305 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_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-2014-7842](https://trackcve.app/badge/CVE-2014-7842.svg)](https://trackcve.app/cve/CVE-2014-7842)

Record last updated 6 Aug 2024, 13:03 UTC.