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TI-2012-03905 Aliases CVE-2012-4565GHSA-gmmj-v76j-xgxw

The tcp_illinois_info function in net/ipv4/tcp_illinois.c in the Linux kernel before…

Priority LOW 22CWE-189Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
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-189 and the CVSS impact.

Summary

The tcp_illinois_info function in net/ipv4/tcp_illinois.c in the Linux kernel before 3.4.19, when the net.ipv4.tcp_congestion_control illinois setting is enabled, allows local users to cause a denial of service (divide-by-zero error and OOPS) by reading TCP stats.

Why it matters now

EPSS 0.00486 42nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Red Hat: 2 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 · 18

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*up to 3.4.18VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.4.1:*:*:*:*:*:*:*3.4.1VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.4.2:*:*:*:*:*:*:*3.4.2VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.4.3:*:*:*:*:*:*:*3.4.3VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.4.4:*:*:*:*:*:*:*3.4.4VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.4.5:*:*:*:*:*:*:*3.4.5VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.4.6:*:*:*:*:*:*:*3.4.6VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.4.7:*:*:*:*:*:*:*3.4.7VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.4.8:*:*:*:*:*:*:*3.4.8VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.4.9:*:*:*:*:*:*:*3.4.9VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions up to 3.4.18 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.4.1:*:*:*:*:*:*:* Versions 3.4.1 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.4.2:*:*:*:*:*:*:* Versions 3.4.2 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.4.3:*:*:*:*:*:*:* Versions 3.4.3 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.4.4:*:*:*:*:*:*:* Versions 3.4.4 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.4.5:*:*:*:*:*:*:* Versions 3.4.5 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.4.6:*:*:*:*:*:*:* Versions 3.4.6 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.4.7:*:*:*:*:*:*:* Versions 3.4.7 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.4.8:*:*:*:*:*:*:* Versions 3.4.8 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.4.9:*:*:*:*:*:*:* Versions 3.4.9 Vulnerable ·Linux
Show 8 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:3.4.10:*:*:*:*:*:*:*3.4.10VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.4.11:*:*:*:*:*:*:*3.4.11VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.4.12:*:*:*:*:*:*:*3.4.12VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.4.13:*:*:*:*:*:*:*3.4.13VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.4.14:*:*:*:*:*:*:*3.4.14VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.4.15:*:*:*:*:*:*:*3.4.15VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.4.16:*:*:*:*:*:*:*3.4.16VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.4.17:*:*:*:*:*:*:*3.4.17VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:3.4.10:*:*:*:*:*:*:* Versions 3.4.10 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.4.11:*:*:*:*:*:*:* Versions 3.4.11 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.4.12:*:*:*:*:*:*:* Versions 3.4.12 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.4.13:*:*:*:*:*:*:* Versions 3.4.13 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.4.14:*:*:*:*:*:*:* Versions 3.4.14 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.4.15:*:*:*:*:*:*:* Versions 3.4.15 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.4.16:*:*:*:*:*:*:* Versions 3.4.16 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.4.17:*:*:*:*:*:*:* Versions 3.4.17 Vulnerable ·Linux

Remediation

Red Hat 2 advisories

  • RHSA-2012:1580 Released 2012-12-18 · Red Hat rating Moderate
    kernel security, bug fix and enhancement update
    • Red Hat Enterprise Linux Desktop (v. 6) kernel-2.6.32-279.19.1.el6, kernel-debug-2.6.32-279.19.1.el6, kernel-debug-devel-2.6.32-279.19.1.el6 +5
    • Red Hat Enterprise Linux Desktop Optional (v. 6) kernel-2.6.32-279.19.1.el6, python-perf-2.6.32-279.19.1.el6
    • Red Hat Enterprise Linux HPC Node (v. 6) kernel-2.6.32-279.19.1.el6, kernel-debug-2.6.32-279.19.1.el6, kernel-debug-devel-2.6.32-279.19.1.el6 +5
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) kernel-2.6.32-279.19.1.el6, python-perf-2.6.32-279.19.1.el6
    • Red Hat Enterprise Linux Server (v. 6) kernel-2.6.32-279.19.1.el6, kernel-bootwrapper-2.6.32-279.19.1.el6, kernel-debug-2.6.32-279.19.1.el6 +8
    • Red Hat Enterprise Linux Server Optional (v. 6) kernel-2.6.32-279.19.1.el6, python-perf-2.6.32-279.19.1.el6
    • Red Hat Enterprise Linux Workstation (v. 6) kernel-2.6.32-279.19.1.el6, kernel-debug-2.6.32-279.19.1.el6, kernel-debug-devel-2.6.32-279.19.1.el6 +5
    • Red Hat Enterprise Linux Workstation Optional (v. 6) kernel-2.6.32-279.19.1.el6, python-perf-2.6.32-279.19.1.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

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-2012:1580
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2012:1580
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2012:1580
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2012:1580
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2012:1580
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2012:1580
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2012:1580
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2012:1580
Red Hat MRG Realtime for RHEL 6 Server v.2Fixed RHSA-2012:1491
Not affected: 1 product
  • Red Hat Enterprise Linux 5

Timeline

  1. 2026-10-02 Threatist record created from CVE-2012-4565
  2. 2026-10-03 Alias added: GHSA-gmmj-v76j-xgxw

References

Exploit 1

Advisory 11

Other 4

  • 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