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TI-2003-00791 Aliases CVE-2003-0856GHSA-j7g5-v8cf-3phm

iproute 2.4.7 and earlier allows local users to cause a denial of service via spoofed…

Priority LOW 23Published · Updated

Key facts

Attack vector
Local
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

iproute 2.4.7 and earlier allows local users to cause a denial of service via spoofed messages as other users to the kernel netlink interface.

Why it matters now

EPSS 0.00401 34th 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 · 1

CPEVersionsRoleVendor
cpe:2.3:a:stephen_hemminger:iproute:*:*:*:*:*:*:*:*up to 2.4.7VulnerableStephen Hemminger
  • cpe:2.3:a:stephen_hemminger:iproute:*:*:*:*:*:*:*:* Versions up to 2.4.7 Vulnerable ·Stephen Hemminger

Remediation

Red Hat 2 advisories

  • RHSA-2003:316 Released 2003-11-24 · Red Hat rating Low
    : Updated iproute packages fix local security vulnerability
    • Red Hat Linux 7.1
    • Red Hat Linux 7.2
    • Red Hat Linux 7.3
    • Red Hat Linux 8.0
    • Red Hat Linux 9
  • RHSA-2003:317 Released 2003-11-12 · Red Hat rating Low
    iproute security update
    • Red Hat Desktop version 3 iproute-2.4.7-11.30E.1, iproute-2.4.7-11.30E.1.i386
    • Red Hat Enterprise Linux AS version 3 iproute-2.4.7-11.30E.1, iproute-2.4.7-11.30E.1.i386, iproute-2.4.7-11.30E.1.ia64 +1
    • Red Hat Enterprise Linux ES version 3 iproute-2.4.7-11.30E.1, iproute-2.4.7-11.30E.1.i386, iproute-2.4.7-11.30E.1.ia64
    • Red Hat Enterprise Linux WS version 3 iproute-2.4.7-11.30E.1, iproute-2.4.7-11.30E.1.i386, iproute-2.4.7-11.30E.1.ia64

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Desktop version 3Fixed RHSA-2003:317
Red Hat Enterprise Linux AS version 3Fixed RHSA-2003:317
Red Hat Enterprise Linux ES version 3Fixed RHSA-2003:317
Red Hat Enterprise Linux WS version 3Fixed RHSA-2003:317
Red Hat Linux 7.1Fixed RHSA-2003:316
Red Hat Linux 7.2Fixed RHSA-2003:316
Red Hat Linux 7.3Fixed RHSA-2003:316
Red Hat Linux 8.0Fixed RHSA-2003:316
Red Hat Linux 9Fixed RHSA-2003:316

Timeline

  1. 2026-10-02 Threatist record created from CVE-2003-0856
  2. 2026-10-03 Alias added: GHSA-j7g5-v8cf-3phm

References

Patch 2

Advisory 3

Other 1

Sources

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