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TI-2008-02055 Aliases CVE-2008-2136GHSA-cwpr-29v4-4jhw

Memory leak in the ipip6_rcv function in net/ipv6/sit.c in the Linux kernel 2.4 before…

Priority MEDIUM 42CWE-399Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
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

Memory leak in the ipip6_rcv function in net/ipv6/sit.c in the Linux kernel 2.4 before 2.4.36.5 and 2.6 before 2.6.25.3 allows remote attackers to cause a denial of service (memory consumption) via network traffic to a Simple Internet Transition (SIT) tunnel interface, related to the pskb_may_pull and kfree_skb functions, and management of an skb reference count.

Why it matters now

EPSS 0.04934 92nd percentileScored 2026-11-07
Fix Fixed Red Hat: 6 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:*:*:*:*:*:*:*:*2.4.0 to before 2.4.36.5; 2.6.0 to before 2.6.25.3VulnerableLinux
cpe:2.3:o:debian:debian_linux:4.0:*:*:*:*:*:*:*4.0VulnerableDebian
cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:lts:*:*:*6.06VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:7.04:*:*:*:*:*:*:*7.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:7.10:*:*:*:*:*:*:*7.10VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:lts:*:*:*8.04VulnerableCanonical
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 2.4.0 to before 2.4.36.5; 2.6.0 to before 2.6.25.3 Vulnerable ·Linux
  • cpe:2.3:o:debian:debian_linux:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Debian
  • cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:lts:*:*:* Versions 6.06 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:7.04:*:*:*:*:*:*:* Versions 7.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:7.10:*:*:*:*:*:*:* Versions 7.10 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:lts:*:*:* Versions 8.04 Vulnerable ·Canonical

Remediation

Red Hat 6 advisories

  • RHSA-2009:0001 Released 2009-01-08 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux AS (Advanced Server) version 2.1 kernel-2.4.9-e.74, kernel-2.4.9-e.74.athlon, kernel-BOOT-2.4.9-e.74.i386 +8
    • Red Hat Enterprise Linux ES version 2.1 kernel-2.4.9-e.74, kernel-2.4.9-e.74.athlon, kernel-BOOT-2.4.9-e.74.i386 +6
    • Red Hat Enterprise Linux WS version 2.1 kernel-2.4.9-e.74, kernel-2.4.9-e.74.athlon, kernel-BOOT-2.4.9-e.74.i386 +7
  • RHSA-2008:0787 Released 2009-01-05 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux AS (Advanced Server) version 2.1 kernel-2.4.18-e.67, kernel-2.4.18-e.67.ia64, kernel-doc-2.4.18-e.67.ia64 +2
    • Red Hat Linux Advanced Workstation 2.1 kernel-2.4.18-e.67, kernel-2.4.18-e.67.ia64, kernel-doc-2.4.18-e.67.ia64 +2
  • RHSA-2008:0973 Released 2008-12-17 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Desktop version 3 kernel-2.4.21-58.EL, kernel-2.4.21-58.EL.athlon, kernel-2.4.21-58.EL.ia32e +14
    • Red Hat Enterprise Linux AS version 3 kernel-2.4.21-58.EL, kernel-2.4.21-58.EL.athlon, kernel-2.4.21-58.EL.ia32e +22
    • Red Hat Enterprise Linux ES version 3 kernel-2.4.21-58.EL, kernel-2.4.21-58.EL.athlon, kernel-2.4.21-58.EL.ia32e +18
    • Red Hat Enterprise Linux WS version 3 kernel-2.4.21-58.EL, kernel-2.4.21-58.EL.athlon, kernel-2.4.21-58.EL.ia32e +18
Show 3 more Red Hat advisories
  • RHSA-2008:0585 Released 2008-08-26 · Red Hat rating Important
    kernel security and bug fix update
    • MRG Realtime for RHEL 5 Server kernel-rt-2.6.24.7-74.el5rt, kernel-rt-debug-2.6.24.7-74.el5rt, kernel-rt-debug-devel-2.6.24.7-74.el5rt +6
  • RHSA-2008:0612 Released 2008-08-04 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux (v. 5 server) kernel-2.6.18-92.1.10.el5, kernel-2.6.18-92.1.10.el5.ia64, kernel-PAE-2.6.18-92.1.10.el5 +18
    • Red Hat Enterprise Linux Desktop (v. 5 client) kernel-2.6.18-92.1.10.el5, kernel-PAE-2.6.18-92.1.10.el5, kernel-PAE-devel-2.6.18-92.1.10.el5 +8
  • RHSA-2008:0607 Released 2008-07-23 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux AS version 4 kernel-2.6.9-67.0.22.EL, kernel-2.6.9-67.0.22.EL.ia64, kernel-2.6.9-67.0.22.EL.ppc64iseries +14
    • Red Hat Enterprise Linux Desktop version 4 kernel-2.6.9-67.0.22.EL, kernel-devel-2.6.9-67.0.22.EL, kernel-doc-2.6.9-67.0.22.EL +8
    • Red Hat Enterprise Linux ES version 4 kernel-2.6.9-67.0.22.EL, kernel-2.6.9-67.0.22.EL.ia64, kernel-devel-2.6.9-67.0.22.EL +12
    • Red Hat Enterprise Linux WS version 4 kernel-2.6.9-67.0.22.EL, kernel-2.6.9-67.0.22.EL.ia64, kernel-devel-2.6.9-67.0.22.EL +12

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
MRG Realtime for RHEL 5 ServerFixed RHSA-2008:0585
Red Hat Desktop version 3Fixed RHSA-2008:0973
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2008:0612
Red Hat Enterprise Linux AS (Advanced Server) version 2.1 Fixed RHSA-2008:0787, RHSA-2009:0001
Red Hat Enterprise Linux AS version 3Fixed RHSA-2008:0973
Red Hat Enterprise Linux AS version 4Fixed RHSA-2008:0607
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2008:0612
Red Hat Enterprise Linux Desktop version 4Fixed RHSA-2008:0607
Red Hat Enterprise Linux ES version 2.1Fixed RHSA-2009:0001
Red Hat Enterprise Linux ES version 3Fixed RHSA-2008:0973
Red Hat Enterprise Linux ES version 4Fixed RHSA-2008:0607
Red Hat Enterprise Linux WS version 2.1Fixed RHSA-2009:0001
Red Hat Enterprise Linux WS version 3Fixed RHSA-2008:0973
Red Hat Enterprise Linux WS version 4Fixed RHSA-2008:0607
Red Hat Linux Advanced Workstation 2.1Fixed RHSA-2008:0787

Timeline

  1. 2026-10-02 Threatist record created from CVE-2008-2136
  2. 2026-10-03 Alias added: GHSA-cwpr-29v4-4jhw

References

Advisory 19

Other 3

Sources

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