CVE-2026-64533

The CVE-2026-64533 issue affects the Linux kernel ntfs3 filesystem driver. During log_replay conversion of DIR_PAGE_ENTRY_32 to DIR_PAGE_ENTRY records for restart tables, a malformed lcns_follow value could cause memmove to read/write beyond the restart table buffer, risking memory corruption and...

UBUNTU-CVE-2026-64514

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: gate mustwait writability check on ptepresent userfaultfdmustwait and userfaultfdhugemustwait read the PTE without taking the page table lock and then apply ptewrite / hugeptewrite to it. Those accessors decode bits...

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...

darksword-Exploit

🗡️ DarkSword — iOS Full-Chain Exploit Analysis Reference:...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: A crash occurred during UFFDIOMOVE when PMD is a migration entry. When UFFDIOMOVE encounters a migration PMD entry, it proceeds to obtain a folio and access it, even though the entry type is swpentryt. We have added...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987141)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987141 advisory. In the Linux kernel, the following vulnerability has been resolved: powerpc/kasan: Fix early region not updated correctly The shadow's page table is not updated when...

SUSE CVE-2021-47640

In the Linux kernel, the following vulnerability has been resolved: powerpc/kasan: Fix early region not updated correctly The shadow's page table is not updated when PTERPNSHIFT is 24 and PAGESHIFT is 12. It not only causes false positives but also false negative as shown the following text. Fix ...