RLSA-2026:42739

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 10 aarch64 Rocky Linux 10 ppc64le Rocky Linux 10 riscv64 Rocky Linux 10 s390x Rocky Linux 10 x86_64

Fixes

2490277 2490279

CVEs

CVE-2026-54369 CVE-2026-54370

Affected packages

Rocky Linux 10 x86_64 - BaseOS

libacl-0:2.4.0-1.el10_2.x86_64.rpm acl-0:2.4.0-1.el10_2.x86_64.rpm libacl-debuginfo-0:2.4.0-1.el10_2.x86_64.rpm acl-0:2.4.0-1.el10_2.src.rpm acl-debugsource-0:2.4.0-1.el10_2.x86_64.rpm acl-debuginfo-0:2.4.0-1.el10_2.x86_64.rpm

Rocky Linux 10 s390x - BaseOS

acl-debuginfo-0:2.4.0-1.el10_2.s390x.rpm acl-debugsource-0:2.4.0-1.el10_2.s390x.rpm acl-0:2.4.0-1.el10_2.src.rpm libacl-debuginfo-0:2.4.0-1.el10_2.s390x.rpm libacl-0:2.4.0-1.el10_2.s390x.rpm acl-0:2.4.0-1.el10_2.s390x.rpm

Rocky Linux 10 ppc64le - BaseOS

acl-debugsource-0:2.4.0-1.el10_2.ppc64le.rpm libacl-debuginfo-0:2.4.0-1.el10_2.ppc64le.rpm acl-0:2.4.0-1.el10_2.src.rpm acl-debuginfo-0:2.4.0-1.el10_2.ppc64le.rpm acl-0:2.4.0-1.el10_2.ppc64le.rpm libacl-0:2.4.0-1.el10_2.ppc64le.rpm

Rocky Linux 10 aarch64 - BaseOS

libacl-0:2.4.0-1.el10_2.aarch64.rpm acl-debugsource-0:2.4.0-1.el10_2.aarch64.rpm acl-0:2.4.0-1.el10_2.src.rpm libacl-debuginfo-0:2.4.0-1.el10_2.aarch64.rpm acl-0:2.4.0-1.el10_2.aarch64.rpm acl-debuginfo-0:2.4.0-1.el10_2.aarch64.rpm

Rocky Linux 10 s390x - AppStream

libacl-devel-0:2.4.0-1.el10_2.s390x.rpm

Rocky Linux 10 riscv64 - BaseOS

acl-0:2.4.0-1.el10_2.src.rpm

Rocky Linux 10 ppc64le - AppStream

libacl-devel-0:2.4.0-1.el10_2.ppc64le.rpm

Rocky Linux 10 x86_64 - AppStream

libacl-devel-0:2.4.0-1.el10_2.x86_64.rpm

Rocky Linux 10 aarch64 - AppStream

libacl-devel-0:2.4.0-1.el10_2.aarch64.rpm