The do_mmu_update function in arch/x86/mm.c in Xen 4.x through 4.4.x does not properly restrict updates to only PV page tables, which…

Description

The do_mmu_update function in arch/x86/mm.c in Xen 4.x through 4.4.x does not properly restrict updates to only PV page tables, which allows remote PV guests to cause a denial of service (NULL pointer dereference) by leveraging hardware emulation services for HVM guests using Hardware Assisted Paging (HAP).

Scores

EPSS (exploitation in 30 days)

2.2% · top 17% of all CVEs (5 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.4.

Weakness

• n/a
• CWE-20 (opens in a new tab)All about CWE-20 and its CVEs

Affected products

• n/a

  • affected n/a

References (8)

• GLSA-201504-04 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
• 62672 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://xenbits.xen.org/xsa/advisory-109.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• 71149 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• DSA-3140 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• openSUSE-SU-2015:0226 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• openSUSE-SU-2015:0256 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• xen-cve20148594-sec-byass(98767) (opens in a new tab)vdb-entryx_refsource_XFx_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-2014-8594](https://trackcve.app/badge/CVE-2014-8594.svg)](https://trackcve.app/cve/CVE-2014-8594)

Record last updated 6 Aug 2024, 13:25 UTC.