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TI-2012-02375 Aliases CVE-2012-2744GHSA-rf7q-2943-h3jp

net/ipv6/netfilter/nf_conntrack_reasm.c in the Linux kernel before 2.6.34, when the…

Priority MEDIUM 41Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · Complete
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.

Summary

net/ipv6/netfilter/nf_conntrack_reasm.c in the Linux kernel before 2.6.34, when the nf_conntrack_ipv6 module is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) via certain types of fragmented IPv6 packets.

Why it matters now

EPSS 0.04469 91st percentileScored 2026-11-07
Fix Fixed Red Hat: 4 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 · 21

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*up to 2.6.33.20VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.33:*:*:*:*:*:*:*2.6.33VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.33.1:*:*:*:*:*:*:*2.6.33.1VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.33.2:*:*:*:*:*:*:*2.6.33.2VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.33.3:*:*:*:*:*:*:*2.6.33.3VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.33.4:*:*:*:*:*:*:*2.6.33.4VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.33.5:*:*:*:*:*:*:*2.6.33.5VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.33.6:*:*:*:*:*:*:*2.6.33.6VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.33.7:*:*:*:*:*:*:*2.6.33.7VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.33.8:*:*:*:*:*:*:*2.6.33.8VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions up to 2.6.33.20 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.33:*:*:*:*:*:*:* Versions 2.6.33 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.33.1:*:*:*:*:*:*:* Versions 2.6.33.1 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.33.2:*:*:*:*:*:*:* Versions 2.6.33.2 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.33.3:*:*:*:*:*:*:* Versions 2.6.33.3 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.33.4:*:*:*:*:*:*:* Versions 2.6.33.4 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.33.5:*:*:*:*:*:*:* Versions 2.6.33.5 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.33.6:*:*:*:*:*:*:* Versions 2.6.33.6 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.33.7:*:*:*:*:*:*:* Versions 2.6.33.7 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.33.8:*:*:*:*:*:*:* Versions 2.6.33.8 Vulnerable ·Linux
Show 11 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:2.6.33.9:*:*:*:*:*:*:*2.6.33.9VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.33.10:*:*:*:*:*:*:*2.6.33.10VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.33.11:*:*:*:*:*:*:*2.6.33.11VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.33.12:*:*:*:*:*:*:*2.6.33.12VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.33.13:*:*:*:*:*:*:*2.6.33.13VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.33.14:*:*:*:*:*:*:*2.6.33.14VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.33.15:*:*:*:*:*:*:*2.6.33.15VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.33.16:*:*:*:*:*:*:*2.6.33.16VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.33.17:*:*:*:*:*:*:*2.6.33.17VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.33.18:*:*:*:*:*:*:*2.6.33.18VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.33.19:*:*:*:*:*:*:*2.6.33.19VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:2.6.33.9:*:*:*:*:*:*:* Versions 2.6.33.9 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.33.10:*:*:*:*:*:*:* Versions 2.6.33.10 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.33.11:*:*:*:*:*:*:* Versions 2.6.33.11 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.33.12:*:*:*:*:*:*:* Versions 2.6.33.12 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.33.13:*:*:*:*:*:*:* Versions 2.6.33.13 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.33.14:*:*:*:*:*:*:* Versions 2.6.33.14 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.33.15:*:*:*:*:*:*:* Versions 2.6.33.15 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.33.16:*:*:*:*:*:*:* Versions 2.6.33.16 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.33.17:*:*:*:*:*:*:* Versions 2.6.33.17 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.33.18:*:*:*:*:*:*:* Versions 2.6.33.18 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.33.19:*:*:*:*:*:*:* Versions 2.6.33.19 Vulnerable ·Linux

Remediation

Red Hat 4 advisories

  • RHSA-2012:1148 Released 2012-08-07 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux Server EUS (v. 6.1) kernel-2.6.32-131.30.1.el6, kernel-bootwrapper-2.6.32-131.30.1.el6, kernel-debug-2.6.32-131.30.1.el6 +8
  • RHSA-2012:1129 Released 2012-07-31 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux Server EUS (v. 6.2) kernel-2.6.32-220.24.1.el6, kernel-bootwrapper-2.6.32-220.24.1.el6, kernel-debug-2.6.32-220.24.1.el6 +7
    • Red Hat Enterprise Linux Server Optional EUS (v. 6.2) kernel-2.6.32-220.24.1.el6, python-perf-2.6.32-220.24.1.el6
  • RHSA-2012:1114 Released 2012-07-24 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux Server EUS (v. 6.0) kernel-2.6.32-71.40.1.el6, kernel-bootwrapper-2.6.32-71.40.1.el6, kernel-debug-2.6.32-71.40.1.el6 +8
Show 1 more Red Hat advisories
  • RHSA-2012:1064 Released 2012-07-10 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux Desktop (v. 6) kernel-2.6.32-279.1.1.el6, kernel-debug-2.6.32-279.1.1.el6, kernel-debug-devel-2.6.32-279.1.1.el6 +5
    • Red Hat Enterprise Linux Desktop Optional (v. 6) kernel-2.6.32-279.1.1.el6, python-perf-2.6.32-279.1.1.el6
    • Red Hat Enterprise Linux HPC Node (v. 6) kernel-2.6.32-279.1.1.el6, kernel-debug-2.6.32-279.1.1.el6, kernel-debug-devel-2.6.32-279.1.1.el6 +5
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) kernel-2.6.32-279.1.1.el6, python-perf-2.6.32-279.1.1.el6
    • Red Hat Enterprise Linux Server (v. 6) kernel-2.6.32-279.1.1.el6, kernel-bootwrapper-2.6.32-279.1.1.el6, kernel-debug-2.6.32-279.1.1.el6 +8
    • Red Hat Enterprise Linux Server Optional (v. 6) kernel-2.6.32-279.1.1.el6, python-perf-2.6.32-279.1.1.el6
    • Red Hat Enterprise Linux Workstation (v. 6) kernel-2.6.32-279.1.1.el6, kernel-debug-2.6.32-279.1.1.el6, kernel-debug-devel-2.6.32-279.1.1.el6 +5
    • Red Hat Enterprise Linux Workstation Optional (v. 6) kernel-2.6.32-279.1.1.el6, python-perf-2.6.32-279.1.1.el6

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2012:1064
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2012:1064
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2012:1064
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2012:1064
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2012:1064
Red Hat Enterprise Linux Server EUS (v. 6.0)Fixed RHSA-2012:1114
Red Hat Enterprise Linux Server EUS (v. 6.1)Fixed RHSA-2012:1148
Red Hat Enterprise Linux Server EUS (v. 6.2)Fixed RHSA-2012:1129
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2012:1064
Red Hat Enterprise Linux Server Optional EUS (v. 6.2)Fixed RHSA-2012:1129
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2012:1064
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2012:1064
Not affected: 2 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise MRG 2

Timeline

  1. 2026-10-02 Threatist record created from CVE-2012-2744
  2. 2026-10-03 Alias added: GHSA-rf7q-2943-h3jp

References

Patch 1

Advisory 2

Other 3

  • 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