RLSA-2026:39576

Source
https://errata.rockylinux.org/RLSA-2026:39576
Import Source
https://storage.googleapis.com/resf-osv-data/RLSA-2026:39576.json
JSON Data
https://api.osv.dev/v1/vulns/RLSA-2026:39576
Upstream
  • CVE-2026-12505
Published
2026-07-15T12:03:43.176942Z
Modified
2026-07-15T12:30:04.897736111Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
Important: cifs-utils security, bug fix, and enhancement update
Details

The SMB/CIFS protocol is a standard file sharing protocol widely deployed on Microsoft Windows machines. The cifs-utils packages contain tools for mounting shares on Linux using the SMB/CIFS protocol. The tools in this package work in conjunction with support in the kernel to allow one to mount a SMB/CIFS share onto a client and use it as if it were a standard Linux file system.

Security Fix(es):

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

Bug Fix(es) and Enhancement(s):

  • cifs-utils: regression with kerberos mount [rhel-9.8.z] (JIRA:Rocky Linux-192982)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

References
Credits
    • Rocky Enterprise Software Foundation
    • Red Hat

Affected packages

Rocky Linux:9 / cifs-utils

Package

Name
cifs-utils
Purl
pkg:rpm/rocky-linux/cifs-utils?distro=rocky-linux-9&epoch=0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:7.6-2.el9_8
Database specific
{
    "yum_repository": "BaseOS"
}

Database specific

source
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:39576.json"