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TI-2012-01906 Aliases CVE-2012-2133GHSA-gj53-vvfv-7vp2

Use-after-free vulnerability in the Linux kernel before 3.3.6, when huge pages are…

Priority LOW 19CWE-399Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
High
Impact type
Denial of service
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-399 and the CVSS impact.

Summary

Use-after-free vulnerability in the Linux kernel before 3.3.6, when huge pages are enabled, allows local users to cause a denial of service (system crash) or possibly gain privileges by interacting with a hugetlbfs filesystem, as demonstrated by a umount operation that triggers improper handling of quota data.

Why it matters now

EPSS 0.00345 28th 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

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

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*up to 3.3.5VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.3:*:*:*:*:*:*:*3.3VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.3.1:*:*:*:*:*:*:*3.3.1VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.3.2:*:*:*:*:*:*:*3.3.2VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.3.3:*:*:*:*:*:*:*3.3.3VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.3.4:*:*:*:*:*:*:*3.3.4VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions up to 3.3.5 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.3:*:*:*:*:*:*:* Versions 3.3 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.3.1:*:*:*:*:*:*:* Versions 3.3.1 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.3.2:*:*:*:*:*:*:* Versions 3.3.2 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.3.3:*:*:*:*:*:*:* Versions 3.3.3 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.3.4:*:*:*:*:*:*:* Versions 3.3.4 Vulnerable ·Linux

Remediation

Red Hat 3 advisories

  • RHSA-2013:0741 Released 2013-04-16 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux Server EUS (v. 6.2) kernel-2.6.32-220.34.1.el6, kernel-bootwrapper-2.6.32-220.34.1.el6, kernel-debug-2.6.32-220.34.1.el6 +8
    • Red Hat Enterprise Linux Server Optional EUS (v. 6.2) kernel-2.6.32-220.34.1.el6, python-perf-2.6.32-220.34.1.el6
  • RHSA-2012:1491 Released 2012-12-04 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt-3.2.33-rt50.66.el6rt, kernel-rt-debug-3.2.33-rt50.66.el6rt, kernel-rt-debug-devel-3.2.33-rt50.66.el6rt +8
  • RHSA-2012:1426 Released 2012-11-06 · Red Hat rating Moderate
    kernel security and bug fix update
    • Red Hat Enterprise Linux Desktop (v. 6) kernel-2.6.32-279.14.1.el6, kernel-debug-2.6.32-279.14.1.el6, kernel-debug-devel-2.6.32-279.14.1.el6 +5
    • Red Hat Enterprise Linux Desktop Optional (v. 6) kernel-2.6.32-279.14.1.el6, python-perf-2.6.32-279.14.1.el6
    • Red Hat Enterprise Linux HPC Node (v. 6) kernel-2.6.32-279.14.1.el6, kernel-debug-2.6.32-279.14.1.el6, kernel-debug-devel-2.6.32-279.14.1.el6 +5
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) kernel-2.6.32-279.14.1.el6, python-perf-2.6.32-279.14.1.el6
    • Red Hat Enterprise Linux Server (v. 6) kernel-2.6.32-279.14.1.el6, kernel-bootwrapper-2.6.32-279.14.1.el6, kernel-debug-2.6.32-279.14.1.el6 +8
    • Red Hat Enterprise Linux Server Optional (v. 6) kernel-2.6.32-279.14.1.el6, python-perf-2.6.32-279.14.1.el6
    • Red Hat Enterprise Linux Workstation (v. 6) kernel-2.6.32-279.14.1.el6, kernel-debug-2.6.32-279.14.1.el6, kernel-debug-devel-2.6.32-279.14.1.el6 +5
    • Red Hat Enterprise Linux Workstation Optional (v. 6) kernel-2.6.32-279.14.1.el6, python-perf-2.6.32-279.14.1.el6

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2012:1426
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2012:1426
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2012:1426
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2012:1426
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2012:1426
Red Hat Enterprise Linux Server EUS (v. 6.2)Fixed RHSA-2013:0741
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2012:1426
Red Hat Enterprise Linux Server Optional EUS (v. 6.2)Fixed RHSA-2013:0741
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2012:1426
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2012:1426
Red Hat MRG Realtime for RHEL 6 Server v.2Fixed RHSA-2012:1491
Not affected: 3 products
  • Red Hat Enterprise Linux 4
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise MRG 1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2012-2133
  2. 2026-10-03 Alias added: GHSA-gj53-vvfv-7vp2

References

Advisory 2

Other 5

  • 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
See all 15278 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences