Xen 4.4.x, 4.5.x, and 4.6.x does not limit the number of printk console messages when reporting unimplemented hypercalls, which allows…

Description

Xen 4.4.x, 4.5.x, and 4.6.x does not limit the number of printk console messages when reporting unimplemented hypercalls, which allows local guests to cause a denial of service via a sequence of (1) HYPERVISOR_physdev_op hypercalls, which are not properly handled in the do_physdev_op function in arch/arm/physdev.c, or (2) HYPERVISOR_hvm_op hypercalls, which are not properly handled in the do_hvm_op function in arch/arm/hvm.c.

Scores

EPSS (exploitation in 30 days)

0.39% · top 67% of all CVEs (5 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 2.1.

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 (7)

• http://xenbits.xen.org/xsa/advisory-146.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• FEDORA-2015-242be2c240 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• FEDORA-2015-a931b02be2 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• DSA-3414 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• FEDORA-2015-6f6b79efe2 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• GLSA-201604-03 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
• 1034029 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_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-2015-7813](https://trackcve.app/badge/CVE-2015-7813.svg)](https://trackcve.app/cve/CVE-2015-7813)

Record last updated 6 Aug 2024, 07:58 UTC.