The install_special_mapping function in mm/mmap.c in the Linux kernel before 2.6.37-rc6…
Priority LOW 11CWE-476Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · Partial · None
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-476.
Summary
The install_special_mapping function in mm/mmap.c in the Linux kernel before 2.6.37-rc6 does not make an expected security_file_mmap function call, which allows local users to bypass intended mmap_min_addr restrictions and possibly conduct NULL pointer dereference attacks via a crafted assembly-language application.
Why it matters now
EPSS 0.00402 34th percentileScored 2026-11-07
Fix Fixed Red Hat: 3 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
CPE configurations NVD · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | before 2.6.37 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.37:-:*:*:*:*:*:* | 2.6.37 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.37:rc1:*:*:*:*:*:* | 2.6.37 rc1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.37:rc2:*:*:*:*:*:* | 2.6.37 rc2 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.37:rc3:*:*:*:*:*:* | 2.6.37 rc3 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.37:rc4:*:*:*:*:*:* | 2.6.37 rc4 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.37:rc5:*:*:*:*:*:* | 2.6.37 rc5 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 2.6.37 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.37:-:*:*:*:*:*:* Versions 2.6.37 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.37:rc1:*:*:*:*:*:* Versions 2.6.37 rc1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.37:rc2:*:*:*:*:*:* Versions 2.6.37 rc2 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.37:rc3:*:*:*:*:*:* Versions 2.6.37 rc3 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.37:rc4:*:*:*:*:*:* Versions 2.6.37 rc4 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.37:rc5:*:*:*:*:*:* Versions 2.6.37 rc5 Vulnerable ·Linux
Remediation
Red Hat 3 advisories
- RHSA-2011:0429 Released 2011-04-12 · Red Hat rating Importantkernel security and bug fix update
- Red Hat Enterprise Linux (v. 5.6.z server) kernel-2.6.18-238.9.1.el5, kernel-2.6.18-238.9.1.el5.ia64, kernel-PAE-2.6.18-238.9.1.el5 +14
- RHSA-2011:0421 Released 2011-04-08 · Red Hat rating Importantkernel security and bug fix update
- Red Hat Enterprise Linux Desktop (v. 6) kernel-2.6.32-71.24.1.el6, kernel-debug-2.6.32-71.24.1.el6, kernel-debug-devel-2.6.32-71.24.1.el6 +4
- Red Hat Enterprise Linux HPC Node (v. 6) kernel-2.6.32-71.24.1.el6, kernel-debug-2.6.32-71.24.1.el6, kernel-debug-devel-2.6.32-71.24.1.el6 +4
- Red Hat Enterprise Linux Server (v. 6) kernel-2.6.32-71.24.1.el6, kernel-bootwrapper-2.6.32-71.24.1.el6, kernel-debug-2.6.32-71.24.1.el6 +7
- Red Hat Enterprise Linux Workstation (v. 6) kernel-2.6.32-71.24.1.el6, kernel-debug-2.6.32-71.24.1.el6, kernel-debug-devel-2.6.32-71.24.1.el6 +4
- RHSA-2011:0330 Released 2011-03-10 · Red Hat rating Importantkernel-rt security and bug fix update
- MRG Realtime for RHEL 5 Server kernel-rt-2.6.33.7-rt29.55.el5rt, kernel-rt-debug-2.6.33.7-rt29.55.el5rt, kernel-rt-debug-devel-2.6.33.7-rt29.55.el5rt +7
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| MRG Realtime for RHEL 5 Server | Fixed | RHSA-2011:0330 |
| Red Hat Enterprise Linux (v. 5.6.z server) | Fixed | RHSA-2011:0429 |
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2011:0421 |
| Red Hat Enterprise Linux HPC Node (v. 6) | Fixed | RHSA-2011:0421 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2011:0421 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2011:0421 |
Timeline
- 2026-10-02 Threatist record created from CVE-2010-4346
- 2026-10-03 Alias added: GHSA-3v56-6hxf-8799
References
Patch 6
- https://bugzilla.redhat.com/show_bug.cgi?id=662189
- [oss-security] 20101209 Re: [[email protected]: [PATCH] install_special_mapping skips security_file_mmap check.]
- [linux-kernel] 20101209 [PATCH] install_special_mapping skips security_file_mmap check.
- [oss-security] 20101210 Re: Subject: CVE request: kernel: install_special_mapping skips security_file_mmap check
- [oss-security] 20101210 Subject: CVE request: kernel: install_special_mapping skips security_file_mmap check
- [oss-security] 20101209 [[email protected]: [PATCH] install_special_mapping skips security_file_mmap check.]
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Sources
- CVE-2010-4346 · CVE Program
- CVE-2010-4346 · NVD
- FIRST EPSS
- GHSA-3v56-6hxf-8799 · GitHub Advisory Database · CC BY 4.0
- CVE-2010-4346 · Red Hat security data · CC BY 4.0
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