RHSA-2026:54576HighCVSS 7.5

Red Hat Security Advisory: dracut security update

Published
August 13, 2026
Last Modified
August 13, 2026

🔗 CVE IDs covered (1)

CVE-2026-15816 →

📋 Description

CVE-2026-15816 — dracut: dracut: root code execution via unescaped error message written to sourced emergency hook script in die()

🎯 Affected products51

  • Red Hat Enterprise Linux AppStream (v. 10)
  • Red Hat Enterprise Linux BaseOS (v. 10)
  • dracut-0:107-9.el10_2.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • dracut-0:107-9.el10_2.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • dracut-0:107-9.el10_2.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • dracut-0:107-9.el10_2.src as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • dracut-0:107-9.el10_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • dracut-caps-0:107-9.el10_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • dracut-caps-0:107-9.el10_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • dracut-caps-0:107-9.el10_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • dracut-caps-0:107-9.el10_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • dracut-config-generic-0:107-9.el10_2.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • dracut-config-generic-0:107-9.el10_2.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • dracut-config-generic-0:107-9.el10_2.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • dracut-config-generic-0:107-9.el10_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • dracut-config-rescue-0:107-9.el10_2.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • dracut-config-rescue-0:107-9.el10_2.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • dracut-config-rescue-0:107-9.el10_2.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • dracut-config-rescue-0:107-9.el10_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • dracut-debuginfo-0:107-9.el10_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • dracut-debuginfo-0:107-9.el10_2.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • dracut-debuginfo-0:107-9.el10_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • dracut-debuginfo-0:107-9.el10_2.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • dracut-debuginfo-0:107-9.el10_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • dracut-debuginfo-0:107-9.el10_2.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • dracut-debuginfo-0:107-9.el10_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • dracut-debuginfo-0:107-9.el10_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • dracut-debugsource-0:107-9.el10_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • dracut-debugsource-0:107-9.el10_2.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • dracut-debugsource-0:107-9.el10_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • +21 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.

🔗 References (4)