Read the docs
TI-2005-04094 Aliases CVE-2005-4351GHSA-w6ff-43j4-cwpw

The securelevels implementation in FreeBSD 7.0 and earlier, OpenBSD up to 3.8, DragonFly…

Priority LOW 20Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Partial · Partial · Partial
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

The securelevels implementation in FreeBSD 7.0 and earlier, OpenBSD up to 3.8, DragonFly up to 1.2, and Linux up to 2.6.15 allows root users to bypass immutable settings for files by mounting another filesystem that masks the immutable files while the system is running.

Why it matters now

EPSS 0.00426 37th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
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 · 5

CPEVersionsRoleVendor
cpe:2.3:o:dragonfly:dragonfly:*:*:*:*:*:*:*:*up to 1.2VulnerableDragonfly
cpe:2.3:o:freebsd:freebsd:*:stable:*:*:*:*:*:*up to 6.0VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:7.0:current:*:*:*:*:*:*7.0 currentVulnerableFreeBSD
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*up to 2.6.15VulnerableLinux
cpe:2.3:o:openbsd:openbsd:*:*:*:*:*:*:*:*up to 3.8VulnerableOpenBSD
  • cpe:2.3:o:dragonfly:dragonfly:*:*:*:*:*:*:*:* Versions up to 1.2 Vulnerable ·Dragonfly
  • cpe:2.3:o:freebsd:freebsd:*:stable:*:*:*:*:*:* Versions up to 6.0 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:7.0:current:*:*:*:*:*:* Versions 7.0 current Vulnerable ·FreeBSD
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions up to 2.6.15 Vulnerable ·Linux
  • cpe:2.3:o:openbsd:openbsd:*:*:*:*:*:*:*:* Versions up to 3.8 Vulnerable ·OpenBSD

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2005-4351
  2. 2026-10-03 Alias added: GHSA-w6ff-43j4-cwpw

References

Sources