Medium6.5Red Hat & Ubuntu Linux
vfs_worm does not block directory modification
CVE-2026-2340 Published May 27, 2026
CVE-2026-2340
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
vfs_worm does not block directory modification. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-280. Affected package(s): samba, rhcos. Resolved in Red Hat advisory RHSA-2026:29863 — update the affected packages (`sudo dnf update`).
Affected versions
- samba-0:4.23.5-109.el10_2
- samba-0:4.17.5-7.el8_8.1
- samba-0:4.19.4-16.el8_10
- samba-0:4.21.3-14.el9_6.1
- samba-0:4.19.4-105.el9_4.4
- rhcos-4.19.9.6.202606241344-0
- samba-0:4.17.5-105.el9_2.5
- samba-0:4.23.5-10.el9_8
- samba-0:4.21.3-114.el10_0.1
- samba-0:4.15.5-16.el8_6.1
Official advisory · high-confidence parse· fetched 1 day ago·verify at source
Fixed versions
- RHSA-2026:29863
Official advisory · high-confidence parse· fetched 1 day ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- Update the affected package(s) to the fixed version shipped in RHSA-2026:29863 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 1 day ago·verify at source
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