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kernel: xen/privcmd: fix double free via VMA splitting

🗓️ 20 Jun 2026 00:28:45Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 25 Views

Flaw in kernel Xen Privcmd enables local user to trigger a double free via VMA splitting on partial unmapping.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux10.2aarch64kernel6.12.0-211.26.1.el10_2kernel-6.12.0-211.26.1.el10_2.aarch64.rpm
Red Hat Enterprise Linux10.2ppc64lekernel6.12.0-211.26.1.el10_2kernel-6.12.0-211.26.1.el10_2.ppc64le.rpm
Red Hat Enterprise Linux10.2s390xkernel6.12.0-211.26.1.el10_2kernel-6.12.0-211.26.1.el10_2.s390x.rpm
Red Hat Enterprise Linux10.2x86_64kernel6.12.0-211.26.1.el10_2kernel-6.12.0-211.26.1.el10_2.x86_64.rpm
Red Hat Enterprise Linux10.2aarch64kernel-64k6.12.0-211.26.1.el10_2kernel-64k-6.12.0-211.26.1.el10_2.aarch64.rpm
Red Hat Enterprise Linux10.2aarch64kernel-64k-core6.12.0-211.26.1.el10_2kernel-64k-core-6.12.0-211.26.1.el10_2.aarch64.rpm
Red Hat Enterprise Linux10.2aarch64kernel-64k-debug6.12.0-211.26.1.el10_2kernel-64k-debug-6.12.0-211.26.1.el10_2.aarch64.rpm
Red Hat Enterprise Linux10.2aarch64kernel-64k-debug-core6.12.0-211.26.1.el10_2kernel-64k-debug-core-6.12.0-211.26.1.el10_2.aarch64.rpm
Red Hat Enterprise Linux10.2aarch64kernel-64k-debug-debuginfo6.12.0-211.26.1.el10_2kernel-64k-debug-debuginfo-6.12.0-211.26.1.el10_2.aarch64.rpm
Red Hat Enterprise Linux10.2aarch64kernel-64k-debug-devel6.12.0-211.26.1.el10_2kernel-64k-debug-devel-6.12.0-211.26.1.el10_2.aarch64.rpm
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28 Aug 2026 19:54Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.17.8
EPSS0.00183
25