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Advisory severityHigh7.0Vendor: MediumRed Hat Linux

High [CVE-2026-64561] Check for invalid/obsolete root *after* making MMU pages available

This high-severity Red Hat Linux advisory covers CVE-2026-64561; related products: Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-64561 Source published Source updated

VulniPulse record published Record updated

CVE-2026-64561
Related products & platforms
Red Hat LinuxUnclassified
Open source advisory

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Summary

Check for invalid/obsolete root *after* making MMU pages available. Red Hat rates this moderate (CVSS 7).

Weakness: CWE-825. Red Hat lists fixing advisory RHSA-2026:45192 with package kernel-0:5.14.0-687.30.1.el9_8, kernel-0:6.12.0-55.94.1.el10_0, kernel-0:4.18.0-553.147.1.el8_10, kernel-0:5.14.0-427.141.1.el9_4.

Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8.

Affected versions

No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.

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

Fixed versions
  • kernel-0:5.14.0-687.30.1.el9_8
  • kernel-0:6.12.0-55.94.1.el10_0
  • kernel-0:4.18.0-553.147.1.el8_10
  • kernel-0:5.14.0-427.141.1.el9_4
  • kernel-0:4.18.0-477.156.1.el8_8
  • kernel-0:5.14.0-570.131.1.el9_6
  • kernel-rt-0:4.18.0-553.147.1.rt7.488.el8_10
  • kernel-0:6.12.0-211.39.1.el10_2
  • RHSA-2026:45192

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

Mitigation

Upgrade to a fixed release: kernel-0:5.14.0-687.30.1.el9_8, kernel-0:6.12.0-55.94.1.el10_0, kernel-0:4.18.0-553.147.1.el8_10, kernel-0:5.14.0-427.141.1.el9_4, kernel-0:4.18.0-477.156.1.el8_8, kernel-0:5.14.0-570.131.1.el9_6. That is the remediation for this advisory.

The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.

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

Discussion(0)

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