The Linux kernel before 3.3.1, when KVM is used, allows guest OS users to cause a denial…
Priority LOW 25CWE-264Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- Low
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · None · Complete
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-264.
Summary
The Linux kernel before 3.3.1, when KVM is used, allows guest OS users to cause a denial of service (host OS crash) by leveraging administrative access to the guest OS, related to the pmd_none_or_clear_bad function and page faults for huge pages.
Why it matters now
EPSS 0.006 48th 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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
Red Hat 2 advisories
- RHSA-2012:1042 Released 2012-06-26 · Red Hat rating Importantkernel security and bug fix update
- Red Hat Enterprise Linux Server EUS (v. 6.1) kernel-2.6.32-131.29.1.el6, kernel-bootwrapper-2.6.32-131.29.1.el6, kernel-debug-2.6.32-131.29.1.el6 +8
- RHSA-2012:0743 Released 2012-06-18 · Red Hat rating Importantkernel security and bug fix update
- Red Hat Enterprise Linux Desktop (v. 6) kernel-2.6.32-220.23.1.el6, kernel-debug-2.6.32-220.23.1.el6, kernel-debug-devel-2.6.32-220.23.1.el6 +5
- Red Hat Enterprise Linux Desktop Optional (v. 6) kernel-2.6.32-220.23.1.el6, python-perf-2.6.32-220.23.1.el6
- Red Hat Enterprise Linux HPC Node (v. 6) kernel-2.6.32-220.23.1.el6, kernel-debug-2.6.32-220.23.1.el6, kernel-debug-devel-2.6.32-220.23.1.el6 +5
- Red Hat Enterprise Linux HPC Node Optional (v. 6) kernel-2.6.32-220.23.1.el6, python-perf-2.6.32-220.23.1.el6
- Red Hat Enterprise Linux Server (v. 6) kernel-2.6.32-220.23.1.el6, kernel-bootwrapper-2.6.32-220.23.1.el6, kernel-debug-2.6.32-220.23.1.el6 +8
- Red Hat Enterprise Linux Server Optional (v. 6) kernel-2.6.32-220.23.1.el6, python-perf-2.6.32-220.23.1.el6
- Red Hat Enterprise Linux Workstation (v. 6) kernel-2.6.32-220.23.1.el6, kernel-debug-2.6.32-220.23.1.el6, kernel-debug-devel-2.6.32-220.23.1.el6 +5
- Red Hat Enterprise Linux Workstation Optional (v. 6) kernel-2.6.32-220.23.1.el6, python-perf-2.6.32-220.23.1.el6
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2012:0743 |
| Red Hat Enterprise Linux Desktop Optional (v. 6) | Fixed | RHSA-2012:0743 |
| Red Hat Enterprise Linux HPC Node (v. 6) | Fixed | RHSA-2012:0743 |
| Red Hat Enterprise Linux HPC Node Optional (v. 6) | Fixed | RHSA-2012:0743 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2012:0743 |
| Red Hat Enterprise Linux Server EUS (v. 6.1) | Fixed | RHSA-2012:1042 |
| Red Hat Enterprise Linux Server Optional (v. 6) | Fixed | RHSA-2012:0743 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2012:0743 |
| Red Hat Enterprise Linux Workstation Optional (v. 6) | Fixed | RHSA-2012:0743 |
Not affected: 2 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise MRG 2
Timeline
- 2026-10-02 Threatist record created from CVE-2012-1179
- 2026-10-03 Alias added: GHSA-wf64-fj9c-7g7v
References
Other 4
More Linux Kernel vulnerabilities
- 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
Sources
- CVE-2012-1179 · CVE Program
- CVE-2012-1179 · NVD
- FIRST EPSS
- GHSA-wf64-fj9c-7g7v · GitHub Advisory Database · CC BY 4.0
- CVE-2012-1179 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences