The m_stop function in fs/proc/task_mmu.c in the Linux kernel before 2.6.39 allows local…
Priority LOW 25CWE-476Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 3 fixed, 1 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-476.
Summary
The m_stop function in fs/proc/task_mmu.c in the Linux kernel before 2.6.39 allows local users to cause a denial of service (OOPS) via vectors that trigger an m_start error.
Why it matters now
EPSS 0.00364 30th percentileScored 2026-11-07
Fix Partial Red Hat: 2 advisoriesRed Hat: 3 fixed, 1 without a fix
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-2012:0010 Released 2012-01-10 · Red Hat rating Importantkernel-rt security and bug fix update
- Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt-2.6.33.9-rt31.79.el6rt, kernel-rt-debug-2.6.33.9-rt31.79.el6rt, kernel-rt-debug-devel-2.6.33.9-rt31.79.el6rt +7
- RHSA-2012:0007 Released 2012-01-10 · Red Hat rating Importantkernel security, bug fix, and enhancement update
- Red Hat Enterprise Linux (v. 5 server) kernel-2.6.18-274.17.1.el5, kernel-2.6.18-274.17.1.el5.ia64, kernel-PAE-2.6.18-274.17.1.el5 +18
- Red Hat Enterprise Linux Desktop (v. 5 client) kernel-2.6.18-274.17.1.el5, kernel-PAE-2.6.18-274.17.1.el5, kernel-PAE-devel-2.6.18-274.17.1.el5 +8
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix yet |
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2012:0007 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2012:0007 |
| Red Hat MRG Realtime for RHEL 6 Server v.2 | Fixed | RHSA-2012:0010 |
Not affected: 1 product
- Red Hat Enterprise Linux 4
Timeline
- 2026-10-02 Threatist record created from CVE-2011-3637
- 2026-10-03 Alias added: GHSA-q7rh-q4x3-vhq2
References
Patch 2
Sources
- CVE-2011-3637 · CVE Program
- CVE-2011-3637 · NVD
- FIRST EPSS
- GHSA-q7rh-q4x3-vhq2 · GitHub Advisory Database · CC BY 4.0
- CVE-2011-3637 · 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