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Test your applicationsUpgrade RHEL:10 kernel-64k-debug-core to version 0:6.12.0-211.52.1.el10_2 or higher.
This issue was patched in RHSA-2026:64775.
Note: Versions mentioned in the description apply only to the upstream kernel-64k-debug-core package and not the kernel-64k-debug-core package as distributed by RHEL.
See How to fix? for RHEL:10 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
KVM: arm64: Take the SRCU lock for page table walks in fault injection and AT emulation
walk_s1() and kvm_walk_nested_s2() expect to be called while holding kvm->srcu to guard against memslot changes. While this is generally the case, __kvm_at_s12() and __kvm_find_s1_desc_level() call into the respective walkers without taking kvm->srcu.
Fix by acquiring kvm->srcu prior to the table walk in both instances.