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TI-2012-03803 Aliases CVE-2012-4461GHSA-vmj3-p7xv-c3c3

The KVM subsystem in the Linux kernel before 3.6.9, when running on hosts that use qemu…

Priority LOW 10Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
—
Confidentiality · integrity · availability
None · None · Partial
Fix status
Fixed

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

Summary

The KVM subsystem in the Linux kernel before 3.6.9, when running on hosts that use qemu userspace without XSAVE, allows local users to cause a denial of service (kernel OOPS) by using the KVM_SET_SREGS ioctl to set the X86_CR4_OSXSAVE bit in the guest cr4 register, then calling the KVM_RUN ioctl.

Why it matters now

EPSS 0.00356 29th percentileScored 2026-11-07
Fix Fixed Red Hat: 2 advisories

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 · 9

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*up to 3.6.8VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.6:*:*:*:*:*:*:*3.6VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.6.1:*:*:*:*:*:*:*3.6.1VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.6.2:*:*:*:*:*:*:*3.6.2VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.6.3:*:*:*:*:*:*:*3.6.3VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.6.4:*:*:*:*:*:*:*3.6.4VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.6.5:*:*:*:*:*:*:*3.6.5VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.6.6:*:*:*:*:*:*:*3.6.6VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.6.7:*:*:*:*:*:*:*3.6.7VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions up to 3.6.8 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.6:*:*:*:*:*:*:* Versions 3.6 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.6.1:*:*:*:*:*:*:* Versions 3.6.1 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.6.2:*:*:*:*:*:*:* Versions 3.6.2 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.6.3:*:*:*:*:*:*:* Versions 3.6.3 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.6.4:*:*:*:*:*:*:* Versions 3.6.4 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.6.5:*:*:*:*:*:*:* Versions 3.6.5 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.6.6:*:*:*:*:*:*:* Versions 3.6.6 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.6.7:*:*:*:*:*:*:* Versions 3.6.7 Vulnerable ·Linux

Remediation

Red Hat 2 advisories

  • RHSA-2013:0882 Released 2013-05-30 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux Server EUS (v. 6.2) kernel-2.6.32-220.38.1.el6, kernel-bootwrapper-2.6.32-220.38.1.el6, kernel-debug-2.6.32-220.38.1.el6 +8
    • Red Hat Enterprise Linux Server Optional EUS (v. 6.2) kernel-2.6.32-220.38.1.el6, python-perf-2.6.32-220.38.1.el6
  • RHSA-2013:0223 Released 2013-02-05 · Red Hat rating Moderate
    kernel security and bug fix update
    • Red Hat Enterprise Linux Desktop (v. 6) kernel-2.6.32-279.22.1.el6, kernel-debug-2.6.32-279.22.1.el6, kernel-debug-devel-2.6.32-279.22.1.el6 +5
    • Red Hat Enterprise Linux Desktop Optional (v. 6) kernel-2.6.32-279.22.1.el6, python-perf-2.6.32-279.22.1.el6
    • Red Hat Enterprise Linux HPC Node (v. 6) kernel-2.6.32-279.22.1.el6, kernel-debug-2.6.32-279.22.1.el6, kernel-debug-devel-2.6.32-279.22.1.el6 +5
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) kernel-2.6.32-279.22.1.el6, python-perf-2.6.32-279.22.1.el6
    • Red Hat Enterprise Linux Server (v. 6) kernel-2.6.32-279.22.1.el6, kernel-bootwrapper-2.6.32-279.22.1.el6, kernel-debug-2.6.32-279.22.1.el6 +8
    • Red Hat Enterprise Linux Server Optional (v. 6) kernel-2.6.32-279.22.1.el6, python-perf-2.6.32-279.22.1.el6
    • Red Hat Enterprise Linux Workstation (v. 6) kernel-2.6.32-279.22.1.el6, kernel-debug-2.6.32-279.22.1.el6, kernel-debug-devel-2.6.32-279.22.1.el6 +5
    • Red Hat Enterprise Linux Workstation Optional (v. 6) kernel-2.6.32-279.22.1.el6, python-perf-2.6.32-279.22.1.el6

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2013:0223
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2013:0223
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2013:0223
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2013:0223
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2013:0223
Red Hat Enterprise Linux Server EUS (v. 6.2)Fixed RHSA-2013:0882
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2013:0223
Red Hat Enterprise Linux Server Optional EUS (v. 6.2)Fixed RHSA-2013:0882
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2013:0223
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2013:0223
Not affected: 2 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise MRG 2

Timeline

  1. 2026-10-02 Threatist record created from CVE-2012-4461
  2. 2026-10-03 Alias added: GHSA-vmj3-p7xv-c3c3

References

  • TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
  • TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
  • TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
  • TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
  • TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
See all 15278 →

Sources