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TI-2007-04693 Aliases CVE-2007-4849GHSA-ffmh-3m8x-67m8

JFFS2, as used on One Laptop Per Child (OLPC) build 542 and possibly other Linux systems…

Priority LOW 20CWE-264Published · Updated

Key facts

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

JFFS2, as used on One Laptop Per Child (OLPC) build 542 and possibly other Linux systems, when POSIX ACL support is enabled, does not properly store permissions during (1) inode creation or (2) ACL setting, which might allow local users to access restricted files or directories after a remount of a filesystem, related to "legacy modes" and an inconsistency between dentry permissions and inode permissions.

Why it matters now

EPSS 0.00343 27th 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 · 1

CPEVersionsRoleVendor
cpe:2.3:a:one_laptop_per_child:olpc_linux:build_542:*:*:*:*:*:*:*build_542VulnerableOne Laptop Per Child
  • cpe:2.3:a:one_laptop_per_child:olpc_linux:build_542:*:*:*:*:*:*:* Versions build_542 Vulnerable ·One Laptop Per Child

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2007-4849
  2. 2026-10-03 Alias added: GHSA-ffmh-3m8x-67m8

References

Advisory 3

Other 3

Sources

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