Red Hat Security Advisory: systemd security, bug fix, and enhancement update
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.
AI Analysis
Technical Summary
The systemd packages in Red Hat Enterprise Linux contain a vulnerability identified as CVE-2026-29111, which permits arbitrary code execution or denial of service triggered by spurious IPC API call data. Systemd is a critical component managing system and service initialization and control, including process tracking via Linux cgroups and socket/D-Bus activation. The vulnerability impacts multiple Red Hat Enterprise Linux versions (9.x and 10.x) and architectures (x86_64, aarch64, ppc64le, s390x). Red Hat has released updated systemd packages to fix this issue, as documented in their security advisories RHSA-2026:13651 and RHSA-2026:13677.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code or cause a denial of service on affected systems running vulnerable versions of systemd. This could disrupt system operations or compromise system integrity. The severity is rated moderate by Red Hat Product Security.
Mitigation Recommendations
Red Hat has released official security updates for systemd that address CVE-2026-29111. Users should apply the provided updates for Red Hat Enterprise Linux versions 9.0 through 9.8 and 10.0 through 10.2 as detailed in Red Hat advisories RHSA-2026:13651 and RHSA-2026:13677. Refer to https://access.redhat.com/articles/11258 for update instructions. No additional mitigation steps are indicated beyond applying the official patches.
Red Hat Security Advisory: systemd security, bug fix, and enhancement update
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.
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The systemd packages in Red Hat Enterprise Linux contain a vulnerability identified as CVE-2026-29111, which permits arbitrary code execution or denial of service triggered by spurious IPC API call data. Systemd is a critical component managing system and service initialization and control, including process tracking via Linux cgroups and socket/D-Bus activation. The vulnerability impacts multiple Red Hat Enterprise Linux versions (9.x and 10.x) and architectures (x86_64, aarch64, ppc64le, s390x). Red Hat has released updated systemd packages to fix this issue, as documented in their security advisories RHSA-2026:13651 and RHSA-2026:13677.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code or cause a denial of service on affected systems running vulnerable versions of systemd. This could disrupt system operations or compromise system integrity. The severity is rated moderate by Red Hat Product Security.
Mitigation Recommendations
Red Hat has released official security updates for systemd that address CVE-2026-29111. Users should apply the provided updates for Red Hat Enterprise Linux versions 9.0 through 9.8 and 10.0 through 10.2 as detailed in Red Hat advisories RHSA-2026:13651 and RHSA-2026:13677. Refer to https://access.redhat.com/articles/11258 for update instructions. No additional mitigation steps are indicated beyond applying the official patches.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:19213
- Cve Count
- 1
Threat ID: 6a175eeee29bf47b50edcefa
Added to database: 05/27/2026, 21:15:26 UTC
Last enriched: 08/16/2026, 16:22:26 UTC
Last updated: 09/14/2026, 22:01:33 UTC
Views: 127
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