{"schema_version": "1.7.0", "id": "RLSA-2026:39576", "modified": "2026-07-15T12:07:47.172031Z", "published": "2026-07-15T12:03:43.176942Z", "upstream": ["CVE-2026-12505"], "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.\n\nSecurity Fix(es):\n\n* cifs-utils: local privilege escalation via forged cifs.spnego key description in cifs.upcall (CVE-2026-12505)\n\nBug Fix(es) and Enhancement(s):\n\n* cifs-utils: regression with kerberos mount [rhel-9.8.z] (JIRA:Rocky Linux-192982)\n\nFor 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.", "severity": [{"type": "CVSS_V3", "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}], "affected": [{"package": {"ecosystem": "Rocky Linux:9", "name": "cifs-utils", "purl": "pkg:rpm/rocky-linux/cifs-utils?distro=rocky-linux-9&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:7.6-2.el9_8"}], "database_specific": {"yum_repository": "BaseOS"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2026:39576"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2489805"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}]}