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TI-2005-02324 Aliases CVE-2005-2456GHSA-2qg3-v24w-xhmx

Array index overflow in the xfrm_sk_policy_insert function in xfrm_user.c in Linux kernel…

Priority LOW 25CWE-667Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-667 and the CVSS impact.

Summary

Array index overflow in the xfrm_sk_policy_insert function in xfrm_user.c in Linux kernel 2.6 allows local users to cause a denial of service (oops or deadlock) and possibly execute arbitrary code via a p->dir value that is larger than XFRM_POLICY_OUT, which is used as an index in the sock->sk_policy array.

Why it matters now

EPSS 0.00375 31st percentileScored 2026-11-07
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 · 2

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:2.6.0:*:*:*:*:*:*:*2.6.0VulnerableLinux
cpe:2.3:o:debian:debian_linux:3.1:*:*:*:*:*:*:*3.1VulnerableDebian
  • cpe:2.3:o:linux:linux_kernel:2.6.0:*:*:*:*:*:*:* Versions 2.6.0 Vulnerable ·Linux
  • cpe:2.3:o:debian:debian_linux:3.1:*:*:*:*:*:*:* Versions 3.1 Vulnerable ·Debian

Remediation

Red Hat 2 advisories

  • RHSA-2005:514 Released 2005-10-05 · Red Hat rating Important
    Updated kernel packages available for Red Hat Enterprise Linux 4 Update 2
    • Red Hat Enterprise Linux AS version 4 kernel-2.6.9-22.EL, kernel-2.6.9-22.EL.ia64, kernel-2.6.9-22.EL.ppc64iseries +8
    • Red Hat Enterprise Linux Desktop version 4 kernel-2.6.9-22.EL, kernel-devel-2.6.9-22.EL, kernel-doc-2.6.9-22.EL +4
    • Red Hat Enterprise Linux ES version 4 kernel-2.6.9-22.EL, kernel-2.6.9-22.EL.ia64, kernel-devel-2.6.9-22.EL +6
    • Red Hat Enterprise Linux WS version 4 kernel-2.6.9-22.EL, kernel-2.6.9-22.EL.ia64, kernel-devel-2.6.9-22.EL +6
  • RHSA-2005:663 Released 2005-09-28 · Red Hat rating Important
    Updated kernel packages available for Red Hat Enterprise Linux 3 Update 6
    • Red Hat Desktop version 3 kernel-2.4.21-37.EL, kernel-2.4.21-37.EL.athlon, kernel-2.4.21-37.EL.ia32e +14
    • Red Hat Enterprise Linux AS version 3 kernel-2.4.21-37.EL, kernel-2.4.21-37.EL.athlon, kernel-2.4.21-37.EL.ia32e +22
    • Red Hat Enterprise Linux ES version 3 kernel-2.4.21-37.EL, kernel-2.4.21-37.EL.athlon, kernel-2.4.21-37.EL.ia32e +18
    • Red Hat Enterprise Linux WS version 3 kernel-2.4.21-37.EL, kernel-2.4.21-37.EL.athlon, kernel-2.4.21-37.EL.ia32e +18

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Desktop version 3Fixed RHSA-2005:663
Red Hat Enterprise Linux AS version 3Fixed RHSA-2005:663
Red Hat Enterprise Linux AS version 4Fixed RHSA-2005:514
Red Hat Enterprise Linux Desktop version 4Fixed RHSA-2005:514
Red Hat Enterprise Linux ES version 3Fixed RHSA-2005:663
Red Hat Enterprise Linux ES version 4Fixed RHSA-2005:514
Red Hat Enterprise Linux WS version 3Fixed RHSA-2005:663
Red Hat Enterprise Linux WS version 4Fixed RHSA-2005:514

Timeline

  1. 2026-10-02 Threatist record created from CVE-2005-2456
  2. 2026-10-03 Alias added: GHSA-2qg3-v24w-xhmx

References

Patch 3

Advisory 6

Other 4

Sources

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