Red Hat Product Errata RHSA-2026:13651 - Security Advisory Issued: 2026-05-05 Updated: 2026-05-05 RHSA-2026:13651 - Security Advisory Overview Updated Packages Synopsis Moderate: systemd security update Type/Severity Security Advisory: Moderate Red Hat Lightspeed patch analysis Identify and remediate systems affected by this advisory. View affected systems Topic An update for systemd is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. Description The systemd packages contain systemd, a system and service manager for Linux, compatible with the SysV and LSB init scripts. It provides aggressive parallelism capabilities, uses socket and D-Bus activation for starting services, offers on-demand starting of daemons, and keeps track of processes using Linux cgroups. In addition, it supports snapshotting and restoring of the system state, maintains mount and automount points, and implements an elaborate transactional dependency-based service control logic. It can also work as a drop-in replacement for sysvinit. Security Fix(es): systemd: systemd: Arbitrary code execution or Denial of Service via spurious IPC API call data (CVE-2026-29111) 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. Solution For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Affected Products Red Hat Enterprise Linux for x86_64 10 x86_64 Red Hat Enterprise Linux for IBM z Systems 10 s390x Red Hat Enterprise Linux for Power, little endian 10 ppc64le Red Hat Enterprise Linux for ARM 64 10 aarch64 Fixes BZ - 2450505 - CVE-2026-29111 systemd: systemd: Arbitrary code execution or Denial of Service via spurious IPC API call data CVEs CVE-2026-29111 References https://access.redhat.com/security/updates/classification/#moderate Note: More recent versions of these packages may be available. Click a package name for more details. Red Hat Enterprise Linux for x86_64 10 SRPM systemd-257-13.el10_1.3.src.rpm SHA-256: 833815e8d010b038697a84e0944a669b1bc143bb983e14f44f862e77654af512 x86_64 systemd-257-13.el10_1.3.x86_64.rpm SHA-256: b64fc1a33dda1f676c4eddfd82c51f0f267f486b63aca36cfca3ce3018efc340 systemd-boot-unsigned-257-13.el10_1.3.x86_64.rpm SHA-256: 8daaac4d2ff6dff669b92cc56230e917cd6922be8751dd91a9b0d30d017c24d2 systemd-container-257-13.el10_1.3.x86_64.rpm SHA-256: d4c6f0da35e799a354951922f9f60a045394df1e16ad012ccb2fed664b8f60b7 systemd-container-debuginfo-257-13.el10_1.3.x86_64.rpm SHA-256: c1129916054d80a43f44e0098fa07f9c02341394faa3560786ff8f09941e9076 systemd-container-debuginfo-257-13.el10_1.3.x86_64.rpm SHA-256: c1129916054d80a43f44e0098fa07f9c02341394faa3560786ff8f09941e9076 systemd-debuginfo-257-13.el10_1.3.x86_64.rpm SHA-256: d60b97999a82cf57b513820405650b7b04dd2295a56e3630bad18636237444c5 systemd-debuginfo-257-13.el10_1.3.x86_64.rpm SHA-256: 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