Read the docs
TI-2012-05374 Aliases CVE-2012-6657GHSA-x8x5-h6pv-r9vg

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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 8

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*up to 3.5.6VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.5.1:*:*:*:*:*:*:*3.5.1VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.5.2:*:*:*:*:*:*:*3.5.2VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.5.3:*:*:*:*:*:*:*3.5.3VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.5.4:*:*:*:*:*:*:*3.5.4VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.5.5:*:*:*:*:*:*:*3.5.5VulnerableLinux
cpe:2.3:o:novell:suse_linux_enterprise_server:10.0:sp4:*:*:ltss:*:*:*10.0 sp4VulnerableNovell
cpe:2.3:o:novell:suse_linux_enterprise_server:11.0:sp1:*:*:ltss:*:*:*11.0 sp1VulnerableNovell
  • 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 Important
    kernel 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 →

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo 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

  1. 2026-10-02 Threatist record created from CVE-2012-6657
  2. 2026-10-03 Alias added: GHSA-x8x5-h6pv-r9vg

References

Sources