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Suggestion detail

Untriaged
Permalink CVE-2026-2340
6.5 MEDIUM
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Network (N)
  • Attack Complexity (AC): Low (L)
  • Privileges Required (PR): Low (L)
  • User Interaction (UI): None (N)
  • Scope (S): Unchanged (U)
  • Confidentiality (C): None (N)
  • Integrity (I): High (H)
  • Availability (A): None (N)
  • Modified Attack Vector (MAV): Network (N)
  • Modified Attack Complexity (MAC): Low (L)
  • Modified Privileges Required (MPR): Low (L)
  • Modified User Interaction (MUI): None (N)
  • Modified Confidentiality (MC): None (N)
  • Modified Scope (MS): Unchanged (U)
  • Modified Integrity (MI): High (H)
  • Modified Availability (MA): None (N)
created 4 days, 12 hours ago Activity log
  • Created suggestion 4 days, 12 hours ago
Samba: vfs_worm does not block directory modification

A flaw was found in Samba’s vfs_worm module. The module is intended to provide write-once, read-many (WORM) protections by preventing modification of files after a configurable grace period. Due to insufficient validation during rename operations, an authenticated user with write access to a share could overwrite a protected file by renaming a newly created file over the existing WORM-protected file.

References

Affected products

rhcos
samba
samba4

Matching in nixpkgs

pkgs.samba

Standard Windows interoperability suite of programs for Linux and Unix

pkgs.samba4

Standard Windows interoperability suite of programs for Linux and Unix

pkgs.sambaFull

Standard Windows interoperability suite of programs for Linux and Unix

pkgs.samba4Full

Standard Windows interoperability suite of programs for Linux and Unix

Package maintainers