RLSA-2026:42736

Synopsis

Important: acl security update

Description

Access Control Lists (ACLs) are used to define fine-grained discretionary access rights for files and directories. The acl packages contain the getfacl and setfacl utilities needed for manipulating access control lists.

Security Fix(es):

* acl: Symlink traversal privilege escalation via libacl functions (CVE-2026-54369)

* acl: TOCTOU Symlink Traversal via getfacl/setfacl (CVE-2026-54370)

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.

Affected products

Rocky Linux 9 aarch64 Rocky Linux 9 ppc64le Rocky Linux 9 s390x Rocky Linux 9 x86_64

Fixes

2490277 2490279

CVEs

CVE-2026-54369 CVE-2026-54370

Affected packages

Rocky Linux 9 x86_64 - BaseOS

libacl-debuginfo-0:2.4.0-1.el9_8.x86_64.rpm acl-0:2.4.0-1.el9_8.src.rpm acl-0:2.4.0-1.el9_8.x86_64.rpm acl-debuginfo-0:2.4.0-1.el9_8.i686.rpm acl-debuginfo-0:2.4.0-1.el9_8.x86_64.rpm acl-debugsource-0:2.4.0-1.el9_8.i686.rpm acl-debugsource-0:2.4.0-1.el9_8.x86_64.rpm libacl-0:2.4.0-1.el9_8.i686.rpm libacl-0:2.4.0-1.el9_8.x86_64.rpm libacl-debuginfo-0:2.4.0-1.el9_8.i686.rpm

Rocky Linux 9 aarch64 - AppStream

libacl-devel-0:2.4.0-1.el9_8.aarch64.rpm

Rocky Linux 9 x86_64 - AppStream

libacl-devel-0:2.4.0-1.el9_8.i686.rpm libacl-devel-0:2.4.0-1.el9_8.x86_64.rpm

Rocky Linux 9 aarch64 - BaseOS

acl-0:2.4.0-1.el9_8.aarch64.rpm acl-0:2.4.0-1.el9_8.src.rpm acl-debuginfo-0:2.4.0-1.el9_8.aarch64.rpm acl-debugsource-0:2.4.0-1.el9_8.aarch64.rpm libacl-0:2.4.0-1.el9_8.aarch64.rpm libacl-debuginfo-0:2.4.0-1.el9_8.aarch64.rpm

Rocky Linux 9 s390x - BaseOS

acl-0:2.4.0-1.el9_8.s390x.rpm acl-0:2.4.0-1.el9_8.src.rpm acl-debuginfo-0:2.4.0-1.el9_8.s390x.rpm acl-debugsource-0:2.4.0-1.el9_8.s390x.rpm libacl-0:2.4.0-1.el9_8.s390x.rpm libacl-debuginfo-0:2.4.0-1.el9_8.s390x.rpm

Rocky Linux 9 ppc64le - BaseOS

acl-0:2.4.0-1.el9_8.src.rpm acl-0:2.4.0-1.el9_8.ppc64le.rpm acl-debuginfo-0:2.4.0-1.el9_8.ppc64le.rpm acl-debugsource-0:2.4.0-1.el9_8.ppc64le.rpm libacl-0:2.4.0-1.el9_8.ppc64le.rpm libacl-debuginfo-0:2.4.0-1.el9_8.ppc64le.rpm

Rocky Linux 9 ppc64le - AppStream

libacl-devel-0:2.4.0-1.el9_8.ppc64le.rpm

Rocky Linux 9 s390x - AppStream

libacl-devel-0:2.4.0-1.el9_8.s390x.rpm