RHSA-2026:54575HighCVSS 7.5
Red Hat Security Advisory: dracut security update
🔗 CVE IDs covered (1)
📋 Description
CVE-2026-15816 — dracut: dracut: root code execution via unescaped error message written to sourced emergency hook script in die()
🎯 Affected products42
- Red Hat Enterprise Linux BaseOS (v. 8)
- dracut-0:049-246.git20260728.el8_10.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- dracut-0:049-246.git20260728.el8_10.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- dracut-0:049-246.git20260728.el8_10.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- dracut-0:049-246.git20260728.el8_10.src as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- dracut-0:049-246.git20260728.el8_10.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- dracut-caps-0:049-246.git20260728.el8_10.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- dracut-caps-0:049-246.git20260728.el8_10.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- dracut-caps-0:049-246.git20260728.el8_10.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- dracut-caps-0:049-246.git20260728.el8_10.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- dracut-config-generic-0:049-246.git20260728.el8_10.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- dracut-config-generic-0:049-246.git20260728.el8_10.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- dracut-config-generic-0:049-246.git20260728.el8_10.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- dracut-config-generic-0:049-246.git20260728.el8_10.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- dracut-config-rescue-0:049-246.git20260728.el8_10.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- dracut-config-rescue-0:049-246.git20260728.el8_10.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- dracut-config-rescue-0:049-246.git20260728.el8_10.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- dracut-config-rescue-0:049-246.git20260728.el8_10.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- dracut-debuginfo-0:049-246.git20260728.el8_10.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- dracut-debuginfo-0:049-246.git20260728.el8_10.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- dracut-debuginfo-0:049-246.git20260728.el8_10.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- dracut-debuginfo-0:049-246.git20260728.el8_10.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- dracut-debugsource-0:049-246.git20260728.el8_10.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- dracut-debugsource-0:049-246.git20260728.el8_10.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- dracut-debugsource-0:049-246.git20260728.el8_10.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- dracut-debugsource-0:049-246.git20260728.el8_10.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- dracut-live-0:049-246.git20260728.el8_10.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- dracut-live-0:049-246.git20260728.el8_10.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- dracut-live-0:049-246.git20260728.el8_10.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- dracut-live-0:049-246.git20260728.el8_10.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- +12 more not shown
✅ Remediation
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Workaround: Restrict DHCP server access on networks used for network boot (DHCP snooping, dedicated/trusted provisioning VLANs) until a fix is available.