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TI-2003-00868 Aliases CVE-2003-0961GHSA-v5w6-5r75-rfr6

Integer overflow in the do_brk function for the brk system call in Linux kernel 2.4.22…

Priority LOW 38Published · 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
Complete · Complete · Complete
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.

Summary

Integer overflow in the do_brk function for the brk system call in Linux kernel 2.4.22 and earlier allows local users to gain root privileges.

Why it matters now

EPSS 0.03925 90th 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:o:linux:linux_kernel:*:*:*:*:*:*:*:*up to 2.4.22VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions up to 2.4.22 Vulnerable ·Linux

Remediation

Red Hat 2 advisories

  • RHSA-2003:368 Released 2003-12-19 · Red Hat rating Important
    Updated IA64 kernel packages address security vulnerabilities, bugfixes
    • Red Hat Enterprise Linux AS (Advanced Server) version 2.1
    • Red Hat Linux Advanced Workstation 2.1
  • RHSA-2003:389 Released 2003-12-01 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux AS (Advanced Server) version 2.1
    • Red Hat Enterprise Linux ES version 2.1
    • Red Hat Enterprise Linux WS version 2.1

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux AS (Advanced Server) version 2.1 Fixed RHSA-2003:368
Red Hat Enterprise Linux AS version 3Fixed—
Red Hat Enterprise Linux ES version 2.1Fixed RHSA-2003:389
Red Hat Enterprise Linux WS version 2.1Fixed RHSA-2003:389
Red Hat Enterprise Linux WS version 3Fixed—
Red Hat Linux 7.1Fixed RHSA-2003:392
Red Hat Linux 7.2Fixed RHSA-2003:392
Red Hat Linux 7.3Fixed RHSA-2003:392
Red Hat Linux 8.0Fixed RHSA-2003:392
Red Hat Linux 9Fixed RHSA-2003:392
Red Hat Linux Advanced Workstation 2.1Fixed RHSA-2003:368

Timeline

  1. 2026-10-02 Threatist record created from CVE-2003-0961
  2. 2026-10-03 Alias added: GHSA-v5w6-5r75-rfr6
  3. 2026-10-11 EPSS moved to the 90th–95th percentile

References

  • 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