Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: The srcfolio field was changed after ensuring it was not pinned in the UFFDIOMOVE operation. The commit d7a08838ab74 "mm: userfaultfd: fix unexpected changes to srcfolio when UFFDIOMOVE fails" changed the value of...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: mm/userfaultfd: fixed the issue with the hash calculation for hugetlb faults involving mutexes. In mfillatomichugetlb, the linearpageindex function is used to calculate the page index for hugetlbfaultmutexhash. However,...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: mm/vmscan: Fixed handling of hwpoisoned large folio entries in shrinkfoliolist. In shrinkfoliolist, the hwpoisoned folio entries might be large folio entries that cannot be handled by unmappoisonedfolio. For THP processors,...

Astra Linux - уязвимость в linux-5.10

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 with obtaining a folio and accessing it, even though the entry is of type swpentryt. Add...

Astra Linux - уязвимость в linux-6.1

In the Linux kernel, the following vulnerability has been resolved: mm: hugememory: use !CONFIG64BIT to relax huge page alignment on 32-bit machines Yves-Alexis Perez reported a commit named 4ef9ad19e176 “mm: hugememory: don’t force huge page alignment on 32-bit machines“” which did not work for...

Astra Linux - уязвимость в linux-6.1, linux-5.15, linux-5.10

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: Fixed the issue of dereferencing an invalid PMD migration entry. When migrating a THP, concurrent access to the PMD migration entry during a deferred split scan can lead to an invalid address access, as illustrated...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/gpusvm: fixed the usage of hmmpfntomaporder This issue involves handling cases where the hmm range partially covers a large page such as 2M. Otherwise, we might end up doing something unpleasant, such as mapping memory tha...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: mm: Prevent poison consumption when splitting THP When performing memory error injection on a THP Transparent Huge Page mapped to user space on an x86 server, the kernel panics with the following trace. The expected behavior woul...

SUSE CVE-2026-31575

In the Linux kernel, the following vulnerability has been resolved: mm/userfaultfd: fix hugetlb fault mutex hash calculation In mfillatomichugetlb, linearpageindex is used to calculate the page index for hugetlbfaultmutexhash. However, linearpageindex returns the index in PAGESIZE units, while...

DEBIAN-CVE-2026-31575

In the Linux kernel, the following vulnerability has been resolved: mm/userfaultfd: fix hugetlb fault mutex hash calculation In mfillatomichugetlb, linearpageindex is used to calculate the page index for hugetlbfaultmutexhash. However, linearpageindex returns the index in PAGESIZE units, while...

CVE-2026-31575

In the Linux kernel, the following vulnerability has been resolved: mm/userfaultfd: fix hugetlb fault mutex hash calculation In mfillatomichugetlb, linearpageindex is used to calculate the page index for hugetlbfaultmutexhash. However, linearpageindex returns the index in PAGESIZE units, while...

EUVD-2026-25468

In the Linux kernel, the following vulnerability has been resolved: mm/userfaultfd: fix hugetlb fault mutex hash calculation In mfillatomichugetlb, linearpageindex is used to calculate the page index for hugetlbfaultmutexhash. However, linearpageindex returns the index in PAGESIZE units, while...

CVE-2026-31575

In the Linux kernel, the following vulnerability has been resolved: mm/userfaultfd: fix hugetlb fault mutex hash calculation In mfillatomichugetlb, linearpageindex is used to calculate the page index for hugetlbfaultmutexhash. However, linearpageindex returns the index in PAGESIZE units, while...

CVE-2026-31575

In the Linux kernel, the following vulnerability has been resolved: mm/userfaultfd: fix hugetlb fault mutex hash calculation In mfillatomichugetlb, linearpageindex is used to calculate the page index for hugetlbfaultmutexhash. However, linearpageindex returns the index in PAGESIZE units, while...

EUVD-2026-15365

In the Linux kernel, the following vulnerability has been resolved: mm: thp: deny THP for files on anonymous inodes filethpenabled incorrectly allows THP for files on anonymous inodes e.g. guestmemfd and secretmem. These files are created via allocfilepseudo, which does not call getwriteaccess an...

kernel security update

An update is available for kernel. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel packages contain the Linux kernel, the core of any Linux operating...

CVE-2026-23097

In the Linux kernel, the following vulnerability has been resolved: migrate: correct lock ordering for hugetlb file folios Syzbot has found a deadlock analyzed by Lance Yang: 1 Task 5749: Holds foliolock, then tries to acquire immaprwsemread lock. 2 Task 5754: Holds immaprwsemwrite lock, then tri...

CVE-2026-23100

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix hugetlbpmdshared Patch series "mm/hugetlb: fixes for PMD table sharing incl. using mmugather", v3. One functional fix, one performance regression fix, and two related comment fixes. I cleaned up my prototype I...

SUSE CVE-2025-68179

In the Linux kernel, the following vulnerability has been resolved: s390: Disable ARCHWANTOPTIMIZEHUGETLBVMEMMAP As reported by Luiz Capitulino enabling HVO on s390 leads to reproducible crashes. The problem is that kernel page tables are modified without flushing corresponding TLB entries. Even ...

EUVD-2025-201866

In the Linux kernel, the following vulnerability has been resolved: drm/gpusvm: fix hmmpfntomaporder usage Handle the case where the hmm range partially covers a huge page like 2M, otherwise we can potentially end up doing something nasty like mapping memory which is outside the range, and maybe...