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TI-2007-02093 Aliases CVE-2007-2172GHSA-gxp8-xh27-r994

A typo in Linux kernel 2.6 before 2.6.21-rc6 and 2.4 before 2.4.35 causes RTA_MAX to be…

Priority LOW 22CWE-20Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
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

A typo in Linux kernel 2.6 before 2.6.21-rc6 and 2.4 before 2.4.35 causes RTA_MAX to be used as an array size instead of RTN_MAX, which leads to an "out of bound access" by the (1) dn_fib_props (dn_fib.c, DECNet) and (2) fib_props (fib_semantics.c, IPv4) functions.

Why it matters now

EPSS 0.00431 37th percentileScored 2026-11-07
Fix Fixed Red Hat: 5 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:*:*:*:*:*:*:*:*2.4.0 to before 2.4.35; 2.6.0 – 2.6.20VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.21:git1:*:*:*:*:*:*2.6.21 git1VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.21:git2:*:*:*:*:*:*2.6.21 git2VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.21:git3:*:*:*:*:*:*2.6.21 git3VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.21:git4:*:*:*:*:*:*2.6.21 git4VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.21:git5:*:*:*:*:*:*2.6.21 git5VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.21:git6:*:*:*:*:*:*2.6.21 git6VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.21:git7:*:*:*:*:*:*2.6.21 git7VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.21:rc1:*:*:*:*:*:*2.6.21 rc1VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.21:rc2:*:*:*:*:*:*2.6.21 rc2VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 2.4.0 to before 2.4.35; 2.6.0 – 2.6.20 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.21:git1:*:*:*:*:*:* Versions 2.6.21 git1 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.21:git2:*:*:*:*:*:* Versions 2.6.21 git2 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.21:git3:*:*:*:*:*:* Versions 2.6.21 git3 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.21:git4:*:*:*:*:*:* Versions 2.6.21 git4 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.21:git5:*:*:*:*:*:* Versions 2.6.21 git5 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.21:git6:*:*:*:*:*:* Versions 2.6.21 git6 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.21:git7:*:*:*:*:*:* Versions 2.6.21 git7 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.21:rc1:*:*:*:*:*:* Versions 2.6.21 rc1 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.21:rc2:*:*:*:*:*:* Versions 2.6.21 rc2 Vulnerable ·Linux
Show 8 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:2.6.21:rc3:*:*:*:*:*:*2.6.21 rc3VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.21:rc4:*:*:*:*:*:*2.6.21 rc4VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.21:rc5:*:*:*:*:*:*2.6.21 rc5VulnerableLinux
cpe:2.3:o:debian:debian_linux:3.1:*:*:*:*:*:*:*3.1VulnerableDebian
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:6.10:*:*:*:*:*:*:*6.10VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:7.04:*:*:*:*:*:*:*7.04VulnerableCanonical
  • cpe:2.3:o:linux:linux_kernel:2.6.21:rc3:*:*:*:*:*:* Versions 2.6.21 rc3 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.21:rc4:*:*:*:*:*:* Versions 2.6.21 rc4 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.21:rc5:*:*:*:*:*:* Versions 2.6.21 rc5 Vulnerable ·Linux
  • cpe:2.3:o:debian:debian_linux:3.1:*:*:*:*:*:*:* Versions 3.1 Vulnerable ·Debian
  • 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:6.10:*:*:*:*:*:*:* Versions 6.10 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:7.04:*:*:*:*:*:*:* Versions 7.04 Vulnerable ·Canonical

Remediation

Red Hat 5 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-2007:1049 Released 2007-12-03 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Desktop version 3 kernel-2.4.21-53.EL, kernel-2.4.21-53.EL.athlon, kernel-2.4.21-53.EL.ia32e +14
    • Red Hat Enterprise Linux AS version 3 kernel-2.4.21-53.EL, kernel-2.4.21-53.EL.athlon, kernel-2.4.21-53.EL.ia32e +22
    • Red Hat Enterprise Linux ES version 3 kernel-2.4.21-53.EL, kernel-2.4.21-53.EL.athlon, kernel-2.4.21-53.EL.ia32e +18
    • Red Hat Enterprise Linux WS version 3 kernel-2.4.21-53.EL, kernel-2.4.21-53.EL.athlon, kernel-2.4.21-53.EL.ia32e +18
Show 2 more Red Hat advisories
  • RHSA-2007:0488 Released 2007-06-25 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux AS version 4 kernel-2.6.9-55.0.2.EL, kernel-2.6.9-55.0.2.EL.ia64, kernel-2.6.9-55.0.2.EL.ppc64iseries +14
    • Red Hat Enterprise Linux Desktop version 4 kernel-2.6.9-55.0.2.EL, kernel-devel-2.6.9-55.0.2.EL, kernel-doc-2.6.9-55.0.2.EL +8
    • Red Hat Enterprise Linux ES version 4 kernel-2.6.9-55.0.2.EL, kernel-2.6.9-55.0.2.EL.ia64, kernel-devel-2.6.9-55.0.2.EL +12
    • Red Hat Enterprise Linux WS version 4 kernel-2.6.9-55.0.2.EL, kernel-2.6.9-55.0.2.EL.ia64, kernel-devel-2.6.9-55.0.2.EL +12
  • RHSA-2007:0347 Released 2007-05-16 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux (v. 5 server) kernel-2.6.18-8.1.4.el5, kernel-2.6.18-8.1.4.el5.ia64, kernel-PAE-2.6.18-8.1.4.el5 +14
    • Red Hat Enterprise Linux Desktop (v. 5 client) kernel-2.6.18-8.1.4.el5, kernel-PAE-2.6.18-8.1.4.el5, kernel-PAE-devel-2.6.18-8.1.4.el5 +6

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Desktop version 3Fixed RHSA-2007:1049
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2007:0347
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-2007:1049
Red Hat Enterprise Linux AS version 4Fixed RHSA-2007:0488
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2007:0347
Red Hat Enterprise Linux Desktop version 4Fixed RHSA-2007:0488
Red Hat Enterprise Linux ES version 2.1Fixed RHSA-2009:0001
Red Hat Enterprise Linux ES version 3Fixed RHSA-2007:1049
Red Hat Enterprise Linux ES version 4Fixed RHSA-2007:0488
Red Hat Enterprise Linux WS version 2.1Fixed RHSA-2009:0001
Red Hat Enterprise Linux WS version 3Fixed RHSA-2007:1049
Red Hat Enterprise Linux WS version 4Fixed RHSA-2007:0488
Red Hat Linux Advanced Workstation 2.1Fixed RHSA-2008:0787

Timeline

  1. 2026-10-02 Threatist record created from CVE-2007-2172
  2. 2026-10-03 Alias added: GHSA-gxp8-xh27-r994

References

Advisory 17

Other 2

Sources

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