The sock_setsockopt function in net/core/sock.c in the Linux kernel before 3.5.7 does not…
Priority LOW 23CWE-264Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · None · Complete
- Fix status
- Partial Red Hat: 8 fixed, 1 without a fix
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-264.
Summary
The sock_setsockopt function in net/core/sock.c in the Linux kernel before 3.5.7 does not ensure that a keepalive action is associated with a stream socket, which allows local users to cause a denial of service (system crash) by leveraging the ability to create a raw socket.
Why it matters now
EPSS 0.0053 45th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Red Hat: 1 advisoryRed Hat: 8 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
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | up to 3.5.6 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.5.1:*:*:*:*:*:*:* | 3.5.1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.5.2:*:*:*:*:*:*:* | 3.5.2 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.5.3:*:*:*:*:*:*:* | 3.5.3 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.5.4:*:*:*:*:*:*:* | 3.5.4 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.5.5:*:*:*:*:*:*:* | 3.5.5 | Vulnerable | Linux |
| cpe:2.3:o:novell:suse_linux_enterprise_server:10.0:sp4:*:*:ltss:*:*:* | 10.0 sp4 | Vulnerable | Novell |
| cpe:2.3:o:novell:suse_linux_enterprise_server:11.0:sp1:*:*:ltss:*:*:* | 11.0 sp1 | Vulnerable | Novell |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions up to 3.5.6 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.5.1:*:*:*:*:*:*:* Versions 3.5.1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.5.2:*:*:*:*:*:*:* Versions 3.5.2 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.5.3:*:*:*:*:*:*:* Versions 3.5.3 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.5.4:*:*:*:*:*:*:* Versions 3.5.4 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.5.5:*:*:*:*:*:*:* Versions 3.5.5 Vulnerable ·Linux
- cpe:2.3:o:novell:suse_linux_enterprise_server:10.0:sp4:*:*:ltss:*:*:* Versions 10.0 sp4 Vulnerable ·Novell
- cpe:2.3:o:novell:suse_linux_enterprise_server:11.0:sp1:*:*:ltss:*:*:* Versions 11.0 sp1 Vulnerable ·Novell
Remediation
Red Hat 1 advisory
- RHSA-2014:1997 Released 2014-12-16 · Red Hat rating Importantkernel security and bug fix update
- Red Hat Enterprise Linux Desktop (v. 6) kernel-2.6.32-504.3.3.el6, kernel-abi-whitelists-2.6.32-504.3.3.el6, kernel-debug-2.6.32-504.3.3.el6 +6
- Red Hat Enterprise Linux Desktop Optional (v. 6) python-perf-2.6.32-504.3.3.el6
- Red Hat Enterprise Linux HPC Node (v. 6) kernel-2.6.32-504.3.3.el6, kernel-abi-whitelists-2.6.32-504.3.3.el6, kernel-debug-2.6.32-504.3.3.el6 +6
- Red Hat Enterprise Linux HPC Node Optional (v. 6) python-perf-2.6.32-504.3.3.el6
- Red Hat Enterprise Linux Server (v. 6) kernel-2.6.32-504.3.3.el6, kernel-abi-whitelists-2.6.32-504.3.3.el6, kernel-bootwrapper-2.6.32-504.3.3.el6 +9
- Red Hat Enterprise Linux Server Optional (v. 6) python-perf-2.6.32-504.3.3.el6
- Red Hat Enterprise Linux Workstation (v. 6) kernel-2.6.32-504.3.3.el6, kernel-abi-whitelists-2.6.32-504.3.3.el6, kernel-debug-2.6.32-504.3.3.el6 +6
- Red Hat Enterprise Linux Workstation Optional (v. 6) python-perf-2.6.32-504.3.3.el6
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix yet |
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2014:1997 |
| Red Hat Enterprise Linux Desktop Optional (v. 6) | Fixed | RHSA-2014:1997 |
| Red Hat Enterprise Linux HPC Node (v. 6) | Fixed | RHSA-2014:1997 |
| Red Hat Enterprise Linux HPC Node Optional (v. 6) | Fixed | RHSA-2014:1997 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2014:1997 |
| Red Hat Enterprise Linux Server Optional (v. 6) | Fixed | RHSA-2014:1997 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2014:1997 |
| Red Hat Enterprise Linux Workstation Optional (v. 6) | Fixed | RHSA-2014:1997 |
Not affected: 2 products
- Red Hat Enterprise Linux 7
- Red Hat Enterprise MRG 2
Timeline
- 2026-10-02 Threatist record created from CVE-2012-6657
- 2026-10-03 Alias added: GHSA-x8x5-h6pv-r9vg
References
Advisory 5
Sources
- CVE-2012-6657 · CVE Program
- CVE-2012-6657 · NVD
- FIRST EPSS
- GHSA-x8x5-h6pv-r9vg · GitHub Advisory Database · CC BY 4.0
- CVE-2012-6657 · 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