RHSA-2026:39576HighCVSS 7.8

Red Hat Security Advisory: cifs-utils security, bug fix, and enhancement update

Published
July 15, 2026
Last Modified
August 22, 2026

🔗 CVE IDs covered (1)

CVE-2026-12505 →

📋 Description

CVE-2026-12505 — cifs-utils: local privilege escalation via forged cifs.spnego key description in cifs.upcall

🎯 Affected products56

  • Red Hat Enterprise Linux AppStream (v. 9)
  • Red Hat Enterprise Linux BaseOS (v. 9)
  • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
  • cifs-utils-0:7.6-2.el9_8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • cifs-utils-0:7.6-2.el9_8.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • cifs-utils-0:7.6-2.el9_8.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • cifs-utils-0:7.6-2.el9_8.src as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • cifs-utils-0:7.6-2.el9_8.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • cifs-utils-debuginfo-0:7.6-2.el9_8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • cifs-utils-debuginfo-0:7.6-2.el9_8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • cifs-utils-debuginfo-0:7.6-2.el9_8.aarch64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
  • cifs-utils-debuginfo-0:7.6-2.el9_8.i686 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
  • cifs-utils-debuginfo-0:7.6-2.el9_8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • cifs-utils-debuginfo-0:7.6-2.el9_8.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • cifs-utils-debuginfo-0:7.6-2.el9_8.ppc64le as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
  • cifs-utils-debuginfo-0:7.6-2.el9_8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • cifs-utils-debuginfo-0:7.6-2.el9_8.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • cifs-utils-debuginfo-0:7.6-2.el9_8.s390x as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
  • cifs-utils-debuginfo-0:7.6-2.el9_8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • cifs-utils-debuginfo-0:7.6-2.el9_8.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • cifs-utils-debuginfo-0:7.6-2.el9_8.x86_64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
  • cifs-utils-debugsource-0:7.6-2.el9_8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • cifs-utils-debugsource-0:7.6-2.el9_8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • cifs-utils-debugsource-0:7.6-2.el9_8.aarch64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
  • cifs-utils-debugsource-0:7.6-2.el9_8.i686 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
  • cifs-utils-debugsource-0:7.6-2.el9_8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • cifs-utils-debugsource-0:7.6-2.el9_8.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • cifs-utils-debugsource-0:7.6-2.el9_8.ppc64le as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
  • cifs-utils-debugsource-0:7.6-2.el9_8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • cifs-utils-debugsource-0:7.6-2.el9_8.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • +26 more not shown

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Workaround: Red Hat is not aware of a practical temporary workaround that fully mitigates this issue or meets Red Hat Product Security's standards for usability, deployment, applicability, or stability. Customers are advised to apply the relevant security updates when they become available.

🔗 References (4)