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TI-2013-03942 Aliases CVE-2013-4494GHSA-r35f-92wf-6vvc

Xen before 4.1.x, 4.2.x, and 4.3.x does not take the page_alloc_lock and grant_table.lock…

Priority LOW 25CWE-20Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
Low
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
—
Confidentiality · integrity · availability
None · None · Complete
Fix status
Partial Red Hat: 2 fixed, 1 without a fix

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.

Summary

Xen before 4.1.x, 4.2.x, and 4.3.x does not take the page_alloc_lock and grant_table.lock in the same order, which allows local guest administrators with access to multiple vcpus to cause a denial of service (host deadlock) via unspecified vectors.

Why it matters now

EPSS 0.0067 52nd percentileScored 2026-11-07
Fix Partial Red Hat: 1 advisoryRed Hat: 2 fixed, 1 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*4.1.0 – 4.1.6.1; 4.2.0 – 4.2.5; 4.3.0 – 4.3.4VulnerableXen
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*7.0VulnerableDebian
  • cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:* Versions 4.1.0 – 4.1.6.1; 4.2.0 – 4.2.5; 4.3.0 – 4.3.4 Vulnerable ·Xen
  • cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Debian

Remediation

Red Hat 1 advisory

  • RHSA-2014:0108 Released 2014-01-29 · Red Hat rating Moderate
    kernel security and bug fix update
    • Red Hat Enterprise Linux (v. 5 server) kernel-2.6.18-371.4.1.el5, kernel-2.6.18-371.4.1.el5.ia64, kernel-PAE-2.6.18-371.4.1.el5 +18
    • Red Hat Enterprise Linux Desktop (v. 5 client) kernel-2.6.18-371.4.1.el5, kernel-PAE-2.6.18-371.4.1.el5, kernel-PAE-devel-2.6.18-371.4.1.el5 +8

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix yet
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2014:0108
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2014:0108
Not affected: 2 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise MRG 2

Timeline

  1. 2026-10-02 Threatist record created from CVE-2013-4494
  2. 2026-10-03 Alias added: GHSA-r35f-92wf-6vvc

References

Advisory 9

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences