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Package "cifs-utils"

Name: cifs-utils

Description:

Common Internet File System utilities
Latest version: 2:7.0-2ubuntu0.4
Release: noble (24.04)
Level: updates
Repository: main
Homepage: https://www.samba.org/~jlayton/cifs-utils/

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Repository Area Version
base main 2:7.0-2build1
security main 2:7.0-2ubuntu0.4

Changelog

Version: 2:7.0-2ubuntu0.4 2026-07-03 22:07:25 UTC

  cifs-utils (2:7.0-2ubuntu0.4) noble-security; urgency=medium

  * SECURITY REGRESSION: regression with kerberos mounts (LP: #2159053)
    - debian/patches/CVE-2026-12505.patch: disable until a fix is available
      from cifs-utils developers.

 -- Marc Deslauriers <email address hidden> Fri, 03 Jul 2026 12:55:30 -0400
Source diff to previous version
2159053 fix for CVE-2026-12505 introduced regression with kerberos mounts
CVE-2026-12505 A flaw was found in the cifs-utils package where the cifs.upcall helper fails to securely drop its root privileges before looking up user information

Version: 2:7.0-2ubuntu0.3 2026-07-02 20:07:40 UTC

  cifs-utils (2:7.0-2ubuntu0.3) noble-security; urgency=medium

  * SECURITY UPDATE: insecure user information lookup
    - debian/patches/CVE-2026-12505.patch: cifs.upcall: remove getpwuid()
      dependency in cifs.upcall.c.
    - CVE-2026-12505

 -- Marc Deslauriers <email address hidden> Tue, 30 Jun 2026 16:22:37 -0400
Source diff to previous version
CVE-2026-12505 A flaw was found in the cifs-utils package where the cifs.upcall helper fails to securely drop its root privileges before looking up user information

Version: 2:7.0-2ubuntu0.2 2025-06-16 18:07:35 UTC

  cifs-utils (2:7.0-2ubuntu0.2) noble-security; urgency=medium

  * SECURITY REGRESSION: Fix memory leak in check_service_ticket_exists()
    if a valid Kerberos service ticket is not available.
    (LP: #2113906)
    - d/p/lp2113906-cifs.upcall-fix-memory-leaks-in-check_service_ticket.patch
  * SECURITY REGRESSION: Correctly search the calling applications
    environment for KRB5CCNAME if running kernel is not patched for
    CVE-2025-2312, fixing mounts for AD users. (LP: #2112614)
    - d/p/CVE-2025-2312-3.patch: cifs.upcall: correctly treat
      UPTARGET_UNSPECIFIED as UPTARGET_APP.

 -- Matthew Ruffell <email address hidden> Wed, 11 Jun 2025 16:07:20 +1200
Source diff to previous version
2113906 Regression: After LP2099917 cifs.upcall leaks memory on error message if service ticket doesn't exist
2112614 Regression: After CVE-2025-2312 cifs.upcall can't find credential caches from user env
CVE-2025-2312 A flaw was found in cifs-utils. When trying to obtain Kerberos credentials, the cifs.upcall program from the cifs-utils package makes an upcall to th

Version: 2:7.0-2ubuntu0.1 2025-05-27 21:07:27 UTC

  cifs-utils (2:7.0-2ubuntu0.1) noble-security; urgency=medium

  * Skip checking the Kerberos TGT if a valid service ticket
    is available. (LP: #2099917)
    - d/p/lp2099917-cifs-utils-Skip-TGT-check-if-valid-service.patch
  * SECURITY UPDATE: namespace confusion may lead to disclosing
    sensitive data from host Kerberos credentials cache. (LP: #2099914)
    - d/p/CVE-2025-2312-1.patch: CIFS.upcall to accomodate new
      namespace mount opt.
    - d/p/CVE-2025-2312-2.patch: cifs-utils: add documentation
      for upcall_target.
    - CVE-2025-2312

 -- Matthew Ruffell <email address hidden> Wed, 02 Apr 2025 16:33:05 +1300
2099917 cifs.upcall: If kerberos credential cache already contains a valid service ticket, use that even if TGT is expired
CVE-2025-2312 A flaw was found in cifs-utils. When trying to obtain Kerberos credentials, the cifs.upcall program from the cifs-utils package makes an upcall to th


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