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systemd: systemd: Arbitrary code execution or Denial of Service via spurious IPC API call data

🗓️ 19 May 2026 18:56:07Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 11 Views

systemd flaw lets unprivileged users trigger code execution or denial of service via spurious inter process communication data.

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ATTACKERKB		CVE-2026-29111
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Tenable Nessus		AlmaLinux 10 : systemd (ALSA-2026:13651)
6 May 202600:00
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Tenable Nessus		AlmaLinux 9 : systemd (ALSA-2026:13677)
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.8noarchrhel-net-naming-sysattrs252-67.el9_8.2rhel-net-naming-sysattrs-252-67.el9_8.2.noarch.rpm
Red Hat Enterprise Linux9.8aarch64systemd252-67.el9_8.2systemd-252-67.el9_8.2.aarch64.rpm
Red Hat Enterprise Linux9.8i686systemd252-67.el9_8.2systemd-252-67.el9_8.2.i686.rpm
Red Hat Enterprise Linux9.8ppc64lesystemd252-67.el9_8.2systemd-252-67.el9_8.2.ppc64le.rpm
Red Hat Enterprise Linux9.8s390xsystemd252-67.el9_8.2systemd-252-67.el9_8.2.s390x.rpm
Red Hat Enterprise Linux9.8x86_64systemd252-67.el9_8.2systemd-252-67.el9_8.2.x86_64.rpm
Red Hat Enterprise Linux9.8aarch64systemd-boot-unsigned252-67.el9_8.2systemd-boot-unsigned-252-67.el9_8.2.aarch64.rpm
Red Hat Enterprise Linux9.8x86_64systemd-boot-unsigned252-67.el9_8.2systemd-boot-unsigned-252-67.el9_8.2.x86_64.rpm
Red Hat Enterprise Linux9.8aarch64systemd-boot-unsigned-debuginfo252-67.el9_8.2systemd-boot-unsigned-debuginfo-252-67.el9_8.2.aarch64.rpm
Red Hat Enterprise Linux9.8x86_64systemd-boot-unsigned-debuginfo252-67.el9_8.2systemd-boot-unsigned-debuginfo-252-67.el9_8.2.x86_64.rpm
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SourceLink
accesswww.access.redhat.com/security/cve/CVE-2026-29111
bugzillawww.bugzilla.redhat.com/show_bug.cgi
githubwww.github.com/systemd/systemd/commit/1d22f706bd04f45f8422e17fbde3f56ece17758a
githubwww.github.com/systemd/systemd/commit/20021e7686426052e3a7505425d7e12085feb2a6
githubwww.github.com/systemd/systemd/commit/21167006574d6b83813c7596759b474f56562412
githubwww.github.com/systemd/systemd/commit/3cee294fe8cf4fa0eff933ab21416d099942cabd
githubwww.github.com/systemd/systemd/commit/42aee39107fbdd7db1ccd402a2151822b2805e9f
githubwww.github.com/systemd/systemd/commit/54588d2dedff54bfb6036670820650e4ea74628f
githubwww.github.com/systemd/systemd/commit/7ac3220213690e8a8d6d2a6e81e43bd1dce01d69
githubwww.github.com/systemd/systemd/commit/80acea4ef80a4bb78560ed970c34952299b890d6
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15 Jul 2026 13:36Current
6.3Medium risk
Vulners AI Score6.3
CVSS 3.15.5
EPSS0.00121
SSVC
CWE-1287
systemd vulnerabilityarbitrary code executiondenial of serviceinter process communicationversion vulnerability
11