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High7.8Vendor: MediumRed Hat Linux

High [CVE-2026-29111] Arbitrary code execution or Denial of Service via spurious IPC API call data

This high-severity Red Hat Linux advisory covers CVE-2026-29111 affecting Red Hat Enterprise Linux 1, Red Hat Enterprise Linux 9, systemd.

CVE-2026-29111 Published Mar 23, 2026
CVE-2026-29111
Affected products & platforms
Red Hat LinuxUnclassified
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Summary

Arbitrary code execution or Denial of Service via spurious IPC API call data. Red Hat rates this moderate (CVSS 7.8).

Weakness: CWE-1287. Affected package(s): systemd, rhosdt/opentelemetry-collector-rhel9:1778056267, rhui5/haproxy-rhel9:1779798164, rhosdt/opentelemetry-rhel9-operator:1778056233, rhui5/rhua-rhel9:1779798222, insights-proxy/insights-proxy-container-rhel9:1780420428.

Resolved in Red Hat advisory RHSA-2026:14162 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: Red Hat Enterprise Linux 1; Red Hat Enterprise Linux 9.

Affected versions
  • systemd-0:257-23.el10_2.1
  • rhosdt/opentelemetry-collector-rhel9:1778056267
  • systemd-0:252-67.el9_8.2
  • systemd-0:257-13.el10_1.3
  • systemd-0:257-9.el10_0.2
  • rhui5/haproxy-rhel9:1779798164
  • rhosdt/opentelemetry-rhel9-operator:1778056233
  • rhui5/rhua-rhel9:1779798222
  • insights-proxy/insights-proxy-container-rhel9:1780420428
  • rhosdt/opentelemetry-target-allocator-rhel9:1778056245
  • systemd-0:252-55.el9_7.9
  • systemd-main-260.1-2.1.hum1

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions
  • RHSA-2026:14162

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Update the affected package(s) to the fixed version shipped in RHSA-2026:14162 (`sudo dnf update` / `yum update`).

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

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