The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a denial of service (host…

Description

The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a denial of service (host OS panic or hang) by triggering many #AC (aka Alignment Check) exceptions, related to svm.c and vmx.c.

Scores

EPSS (exploitation in 30 days)

0.57% · top 53% of all CVEs (3 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-399 (opens in a new tab)All about CWE-399 and its CVEs

Affected products

• n/a

  • affected n/a

References (38)

• RHSA-2015:2636 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• FEDORA-2015-f150b2a8c8 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• SUSE-SU-2015:2350 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• https://kb.juniper.net/JSA10783 (opens in a new tab)x_refsource_CONFIRMx_transferred
• DSA-3454 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• [oss-security] 20151110 Re: CVE-2015-5307 kernel: kvm: guest to host DoS by triggering an infinite loop in microcode via #AC exception (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• RHSA-2015:2645 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• USN-2802-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• openSUSE-SU-2015:2250 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• USN-2806-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• SUSE-SU-2015:2194 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54a20552e1eae07aa240fa370a0293e006b5faed (opens in a new tab)x_refsource_CONFIRMx_transferred
• openSUSE-SU-2015:2232 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• USN-2805-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• http://xenbits.xen.org/xsa/advisory-156.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• SUSE-SU-2016:0354 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• FEDORA-2015-668d213dc3 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• USN-2807-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• SUSE-SU-2015:2339 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• SUSE-SU-2015:2108 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• USN-2801-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• FEDORA-2015-394835a3f6 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• DSA-3414 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• http://support.citrix.com/article/CTX202583 (opens in a new tab)x_refsource_CONFIRMx_transferred
• USN-2800-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• 1034105 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• SUSE-SU-2016:2074 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• USN-2804-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• https://bugzilla.redhat.com/show_bug.cgi?id=1277172 (opens in a new tab)x_refsource_CONFIRMx_transferred
• RHSA-2016:0046 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• DSA-3396 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• 77528 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• USN-2803-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• https://github.com/torvalds/linux/commit/54a20552e1eae07aa240fa370a0293e006b5faed (opens in a new tab)x_refsource_CONFIRMx_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-2015-5307](https://trackcve.app/badge/CVE-2015-5307.svg)](https://trackcve.app/cve/CVE-2015-5307)

Record last updated 6 Aug 2024, 06:41 UTC.