Red Hat Product Errata RHSA-2026:49910 - Security Advisory Issued: 2026-08-04 Updated: 2026-08-04 RHSA-2026:49910 - Security Advisory Overview Updated Packages Synopsis Moderate: systemd security, bug fix, and enhancement 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 9.6 Extended Update Support. 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) Bug Fix(es) and Enhancement(s): spec: systemd build fails due to rename of rhel-net-naming-sysattrs upstream [rhel-9.6.z] (JIRA:RHEL-150627) fstab-generator: add_swap() does not support _netdev so booting when swap is over iscsi does not take. [rhel-9.6.z] (JIRA:RHEL-166184) 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 - Extended Update Support 9.6 x86_64 Red Hat Enterprise Linux Server - AUS 9.6 x86_64 Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.6 s390x Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.6 ppc64le Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.6 aarch64 Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.6 ppc64le Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.6 x86_64 Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.6 aarch64 Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.6 s390x Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.6 x86_64 Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.6 aarch64 Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.6 ppc64le Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.6 s390x 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 - Extended Update Support 9.6 SRPM systemd-252-51.el9_6.6.src.rpm SHA-256: 615f71e910426ca0e7d3f0fd17b193674d79dab592740eb8de4cb00bf06f5c91 x86_64 rhel-net-naming-sysattrs-252-51.el9_6.6.noarch.rpm SHA-256: c71cb37a63514600d5e44c75534bd419db791233311660681165221a7e091e37 systemd-252-51.el9_6.6.i686.rpm SHA-256: dcbabb4ce38a8df696cf9c8bd1e35dbb4cc63ae136a6ce9fd909a7432b28d9c3 systemd-252-51.el9_6.6.x86_64.rpm SHA-256: 4be1e0b2448205d0c857308d338cadff25a4c14fd5f4e852f4e5326c4072b514 systemd-boot-unsigned-252-51.el9_6.6.x86_64.rpm SHA-256: 6cdb5526d008294782f4f058d22f48c632729968e748167d56e2f2aab767af4e systemd-boot-unsigned-debuginfo-252-51.el9_6.6.x86_64.rpm SHA-256: cd46708a764167377bef6f52f9fbcbd27c4588fb696024eeddabdb001e298f6d systemd-boot-unsigned-debuginfo-252-51.el9_6.6.x86_64.rpm SHA-256: cd46708a764167377bef6f52f9fbcbd27c4588fb696024eeddabdb001e298f6d systemd-container-252-51.el9_6.6.i686.rpm SHA-256: e7819631e782bd3d219a5bd441560ed1473bf7654e94abb09f47029fa648ee3a systemd-container-252-51.el9_6.6.x86_64.rpm SHA-256: 250019ac388115c447f96959c99bb6eb451a4f19ab3144ed42eaaf8655a9e79b systemd-container-debuginfo-252-51.el9_6.6.i686.rpm SHA-256: 908ec76695427f24fe4ae11437119d5b33c77941b843a38261130143c0d5fb1a systemd-container-debuginfo-252-51.el9_6.6.i686.rpm SHA-256: 908ec76695427f24fe4ae11437119d5b33c77941b843a38261130143c0d5fb1a systemd-container-debuginfo-252-51.el9_6.6.x86_64.rpm SHA-256: ed2cc69f20c5fd161ff1c8ea6e0b37bc68d63f5ec5528e83935424369584eb85 systemd-container-debuginfo-252-51.el9_6.6.x86_64.rpm SHA-256: ed2cc69f20c5fd161ff1c8ea6e0b37bc68d63f5ec5528e83935424369584eb85 systemd-debuginfo-252-51.el9_6.6.i686.rpm SHA-256: cc75222185ab4cc25b672371194d9640b8f8d29f27e9379c1eb1f76cbc2dc90f systemd-debuginfo-252-51.el9_6.6.i686.rpm SHA-256: cc75222185ab4cc25b672371194d9640b8f8d29f27e9379c1eb1f76cbc2dc90f systemd-debuginfo-252-51.el9_6.6.x86_64.rpm SHA-256: 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