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TI-2009-02659 Aliases CVE-2009-2793GHSA-4w46-vcfx-xvfg

The kernel in NetBSD, probably 5.0.1 and earlier, on x86 platforms does not properly…

Priority LOW 22CWE-264Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
Partial · Partial · Partial
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-264.

Summary

The kernel in NetBSD, probably 5.0.1 and earlier, on x86 platforms does not properly handle a pre-commit failure of the iret instruction, which might allow local users to gain privileges via vectors related to a tempEIP pseudocode variable that is outside of the code-segment limits.

Why it matters now

EPSS 0.00516 44th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

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 · 30

CPEVersionsRoleVendor
cpe:2.3:o:netbsd:netbsd:*:*:*:*:*:*:*:*up to 5.0.1VulnerableNetBSD
cpe:2.3:o:netbsd:netbsd:0.8:*:*:*:*:*:*:*0.8VulnerableNetBSD
cpe:2.3:o:netbsd:netbsd:0.9:*:*:*:*:*:*:*0.9VulnerableNetBSD
cpe:2.3:o:netbsd:netbsd:1.0:*:*:*:*:*:*:*1.0VulnerableNetBSD
cpe:2.3:o:netbsd:netbsd:1.1:*:*:*:*:*:*:*1.1VulnerableNetBSD
cpe:2.3:o:netbsd:netbsd:1.2:*:*:*:*:*:*:*1.2VulnerableNetBSD
cpe:2.3:o:netbsd:netbsd:1.2.1:*:*:*:*:*:*:*1.2.1VulnerableNetBSD
cpe:2.3:o:netbsd:netbsd:1.3:*:*:*:*:*:*:*1.3VulnerableNetBSD
cpe:2.3:o:netbsd:netbsd:1.3.1:*:*:*:*:*:*:*1.3.1VulnerableNetBSD
cpe:2.3:o:netbsd:netbsd:1.3.2:*:*:*:*:*:*:*1.3.2VulnerableNetBSD
  • cpe:2.3:o:netbsd:netbsd:*:*:*:*:*:*:*:* Versions up to 5.0.1 Vulnerable ·NetBSD
  • cpe:2.3:o:netbsd:netbsd:0.8:*:*:*:*:*:*:* Versions 0.8 Vulnerable ·NetBSD
  • cpe:2.3:o:netbsd:netbsd:0.9:*:*:*:*:*:*:* Versions 0.9 Vulnerable ·NetBSD
  • cpe:2.3:o:netbsd:netbsd:1.0:*:*:*:*:*:*:* Versions 1.0 Vulnerable ·NetBSD
  • cpe:2.3:o:netbsd:netbsd:1.1:*:*:*:*:*:*:* Versions 1.1 Vulnerable ·NetBSD
  • cpe:2.3:o:netbsd:netbsd:1.2:*:*:*:*:*:*:* Versions 1.2 Vulnerable ·NetBSD
  • cpe:2.3:o:netbsd:netbsd:1.2.1:*:*:*:*:*:*:* Versions 1.2.1 Vulnerable ·NetBSD
  • cpe:2.3:o:netbsd:netbsd:1.3:*:*:*:*:*:*:* Versions 1.3 Vulnerable ·NetBSD
  • cpe:2.3:o:netbsd:netbsd:1.3.1:*:*:*:*:*:*:* Versions 1.3.1 Vulnerable ·NetBSD
  • cpe:2.3:o:netbsd:netbsd:1.3.2:*:*:*:*:*:*:* Versions 1.3.2 Vulnerable ·NetBSD
Show 20 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:netbsd:netbsd:1.3.3:*:*:*:*:*:*:*1.3.3VulnerableNetBSD
cpe:2.3:o:netbsd:netbsd:1.5:*:*:*:*:*:*:*1.5VulnerableNetBSD
cpe:2.3:o:netbsd:netbsd:1.5.1:*:*:*:*:*:*:*1.5.1VulnerableNetBSD
cpe:2.3:o:netbsd:netbsd:1.5.2:*:*:*:*:*:*:*1.5.2VulnerableNetBSD
cpe:2.3:o:netbsd:netbsd:1.5.3:*:*:*:*:*:*:*1.5.3VulnerableNetBSD
cpe:2.3:o:netbsd:netbsd:1.6:*:*:*:*:*:*:*1.6VulnerableNetBSD
cpe:2.3:o:netbsd:netbsd:1.6.1:*:*:*:*:*:*:*1.6.1VulnerableNetBSD
cpe:2.3:o:netbsd:netbsd:1.6.2:*:*:*:*:*:*:*1.6.2VulnerableNetBSD
cpe:2.3:o:netbsd:netbsd:2.0:*:*:*:*:*:*:*2.0VulnerableNetBSD
cpe:2.3:o:netbsd:netbsd:2.0.1:*:*:*:*:*:*:*2.0.1VulnerableNetBSD
cpe:2.3:o:netbsd:netbsd:2.0.2:*:*:*:*:*:*:*2.0.2VulnerableNetBSD
cpe:2.3:o:netbsd:netbsd:2.0.3:*:*:*:*:*:*:*2.0.3VulnerableNetBSD
cpe:2.3:o:netbsd:netbsd:2.1:*:*:*:*:*:*:*2.1VulnerableNetBSD
cpe:2.3:o:netbsd:netbsd:3.0:*:*:*:*:*:*:*3.0VulnerableNetBSD
cpe:2.3:o:netbsd:netbsd:3.0.1:*:*:*:*:*:*:*3.0.1VulnerableNetBSD
cpe:2.3:o:netbsd:netbsd:3.0.2:*:*:*:*:*:*:*3.0.2VulnerableNetBSD
cpe:2.3:o:netbsd:netbsd:3.1:*:*:*:*:*:*:*3.1VulnerableNetBSD
cpe:2.3:o:netbsd:netbsd:4.0:*:*:*:*:*:*:*4.0VulnerableNetBSD
cpe:2.3:o:netbsd:netbsd:4.0.1:*:*:*:*:*:*:*4.0.1VulnerableNetBSD
cpe:2.3:o:netbsd:netbsd:5.0:*:*:*:*:*:*:*5.0VulnerableNetBSD
  • cpe:2.3:o:netbsd:netbsd:1.3.3:*:*:*:*:*:*:* Versions 1.3.3 Vulnerable ·NetBSD
  • cpe:2.3:o:netbsd:netbsd:1.5:*:*:*:*:*:*:* Versions 1.5 Vulnerable ·NetBSD
  • cpe:2.3:o:netbsd:netbsd:1.5.1:*:*:*:*:*:*:* Versions 1.5.1 Vulnerable ·NetBSD
  • cpe:2.3:o:netbsd:netbsd:1.5.2:*:*:*:*:*:*:* Versions 1.5.2 Vulnerable ·NetBSD
  • cpe:2.3:o:netbsd:netbsd:1.5.3:*:*:*:*:*:*:* Versions 1.5.3 Vulnerable ·NetBSD
  • cpe:2.3:o:netbsd:netbsd:1.6:*:*:*:*:*:*:* Versions 1.6 Vulnerable ·NetBSD
  • cpe:2.3:o:netbsd:netbsd:1.6.1:*:*:*:*:*:*:* Versions 1.6.1 Vulnerable ·NetBSD
  • cpe:2.3:o:netbsd:netbsd:1.6.2:*:*:*:*:*:*:* Versions 1.6.2 Vulnerable ·NetBSD
  • cpe:2.3:o:netbsd:netbsd:2.0:*:*:*:*:*:*:* Versions 2.0 Vulnerable ·NetBSD
  • cpe:2.3:o:netbsd:netbsd:2.0.1:*:*:*:*:*:*:* Versions 2.0.1 Vulnerable ·NetBSD
  • cpe:2.3:o:netbsd:netbsd:2.0.2:*:*:*:*:*:*:* Versions 2.0.2 Vulnerable ·NetBSD
  • cpe:2.3:o:netbsd:netbsd:2.0.3:*:*:*:*:*:*:* Versions 2.0.3 Vulnerable ·NetBSD
  • cpe:2.3:o:netbsd:netbsd:2.1:*:*:*:*:*:*:* Versions 2.1 Vulnerable ·NetBSD
  • cpe:2.3:o:netbsd:netbsd:3.0:*:*:*:*:*:*:* Versions 3.0 Vulnerable ·NetBSD
  • cpe:2.3:o:netbsd:netbsd:3.0.1:*:*:*:*:*:*:* Versions 3.0.1 Vulnerable ·NetBSD
  • cpe:2.3:o:netbsd:netbsd:3.0.2:*:*:*:*:*:*:* Versions 3.0.2 Vulnerable ·NetBSD
  • cpe:2.3:o:netbsd:netbsd:3.1:*:*:*:*:*:*:* Versions 3.1 Vulnerable ·NetBSD
  • cpe:2.3:o:netbsd:netbsd:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·NetBSD
  • cpe:2.3:o:netbsd:netbsd:4.0.1:*:*:*:*:*:*:* Versions 4.0.1 Vulnerable ·NetBSD
  • cpe:2.3:o:netbsd:netbsd:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·NetBSD

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2009-2793
  2. 2026-10-03 Alias added: GHSA-4w46-vcfx-xvfg

References

—

  • TI-2024-05929 Openssh: regresshion - race condition in ssh allows rce/dos CVSS 3.1HIGH 8.1
  • TI-2003-00437 Off-by-one error in the fb_realpath() function, as derived from the realpath function in… CVSS 3.1CRITICAL 9.8
  • TI-2002-01263 Buffer overflow in Sendmail 5.79 to 8.12.7 allows remote attackers to execute arbitrary… CVSS 2.0HIGH 10.0
  • TI-2003-00642 The prescan function in Sendmail 8.12.9 allows remote attackers to execute arbitrary code… CVSS 2.0HIGH 10.0
  • TI-1999-00045 Buffer overflow of rlogin program using TERM environmental variable. CVSS 2.0HIGH 10.0
  • TI-2014-06993 The fetch_url function in usr.bin/ftp/fetch.c in tnftp, as used in NetBSD 5.1 through… CVSS 2.0HIGH 7.5
See all 167 →

Sources

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