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kernel: Arm Processors: Privilege escalation or information disclosure via writes to higher exception level resources

🗓️ 17 Aug 2026 05:05:35Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 7 Views

Linux kernel on ARM has a TLBI race condition allowing local attackers to write to higher privilege memory, enabling privilege escalation or VM escape.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux10.0aarch64kernel6.12.0-55.98.1.el10_0kernel-6.12.0-55.98.1.el10_0.aarch64.rpm
Red Hat Enterprise Linux10.0ppc64lekernel6.12.0-55.98.1.el10_0kernel-6.12.0-55.98.1.el10_0.ppc64le.rpm
Red Hat Enterprise Linux10.0s390xkernel6.12.0-55.98.1.el10_0kernel-6.12.0-55.98.1.el10_0.s390x.rpm
Red Hat Enterprise Linux10.0x86_64kernel6.12.0-55.98.1.el10_0kernel-6.12.0-55.98.1.el10_0.x86_64.rpm
Red Hat Enterprise Linux10.0aarch64kernel-64k6.12.0-55.98.1.el10_0kernel-64k-6.12.0-55.98.1.el10_0.aarch64.rpm
Red Hat Enterprise Linux10.0aarch64kernel-64k-core6.12.0-55.98.1.el10_0kernel-64k-core-6.12.0-55.98.1.el10_0.aarch64.rpm
Red Hat Enterprise Linux10.0aarch64kernel-64k-debug6.12.0-55.98.1.el10_0kernel-64k-debug-6.12.0-55.98.1.el10_0.aarch64.rpm
Red Hat Enterprise Linux10.0aarch64kernel-64k-debug-core6.12.0-55.98.1.el10_0kernel-64k-debug-core-6.12.0-55.98.1.el10_0.aarch64.rpm
Red Hat Enterprise Linux10.0aarch64kernel-64k-debug-debuginfo6.12.0-55.98.1.el10_0kernel-64k-debug-debuginfo-6.12.0-55.98.1.el10_0.aarch64.rpm
Red Hat Enterprise Linux10.0aarch64kernel-64k-debug-devel6.12.0-55.98.1.el10_0kernel-64k-debug-devel-6.12.0-55.98.1.el10_0.aarch64.rpm
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19 Aug 2026 17:38Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.19.1
EPSS0.00571
SSVC
7