Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: arm64: contpte: fixed the no-op check for SMMU/ATS faults in setaccessflags contpteptepsetaccessflags compares the gathered ptepget value with the requested entry to detect no-ops. ptepget ORs AF/dirty from all sub-PTEs in the CO...

UBUNTU-CVE-2026-43486

In the Linux kernel, the following vulnerability has been resolved: arm64: contpte: fix setaccessflags no-op check for SMMU/ATS faults contpteptepsetaccessflags compared the gathered ptepget value against the requested entry to detect no-ops. ptepget ORs AF/dirty from all sub-PTEs in the CONT...

CVE-2026-43486

In the Linux kernel, the following vulnerability has been resolved: arm64: contpte: fix setaccessflags no-op check for SMMU/ATS faults contpteptepsetaccessflags compared the gathered ptepget value against the requested entry to detect no-ops. ptepget ORs AF/dirty from all sub-PTEs in the CONT...

CVE-2026-43486

CVE-2026-43486 – Linux kernel (arm64 contpte) details: The issue arises from contpte_ptep_set_access_flags() using a gathered ptep_get() to detect no-ops, which, in CONT ranges, can misreport a target as updated when a sibling sub-PTE still has PTE_RDONLY or lacks PTE_AF. This can trigger false n...

CVE-2026-43486 arm64: contpte: fix set_access_flags() no-op check for SMMU/ATS faults

In the Linux kernel, the following vulnerability has been resolved: arm64: contpte: fix setaccessflags no-op check for SMMU/ATS faults contpteptepsetaccessflags compared the gathered ptepget value against the requested entry to detect no-ops. ptepget ORs AF/dirty from all sub-PTEs in the CONT...

PT-2026-40693

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the arm64 architecture where the contpte ptep set access flags function incorrectly detects no-op operations by comparing a gathered ptep get value against the request...

UBUNTU-CVE-2021-47350

In the Linux kernel, the following vulnerability has been resolved: powerpc/mm: Fix lockup on kernel exec fault The powerpc kernel is not prepared to handle exec faults from kernel. Especially, the function isexecfault will return 'false' when an exec fault is taken by kernel, because the check i...