Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: powerpc/64s: Fixed the use of VAS memory after freeing it. The reference count on the memory module is dropped before the coprocessor is detached...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm: hugetlb: independent PMD page table shared count The refcount may be unexpectedly increased through functions like trygetfolio, especially by calls such as splithugepages. In hugepmdunshare, we use the refcount to check wheth...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: bootconfig: Use memblockfreelate to free xbc memory to the buddy allocator. In the code for freeing xbc memory in xbcexit, memblock might have transferred memory to the buddy allocator. Therefore, it doesn’t make sense to free...

Astra Linux – Vulnerability in WebKit2GTK

A memory management issue related to “use after free” operations has been addressed through improved memory management practices. This issue is fixed in macOS Monterey 12.3, iOS 15.4, iPadOS 15.4, tvOS 15.4, and Safari 15.4. Processing maliciously crafted web content may lead to arbitrary code...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: tpm: Changed to kvalloc in eventlog/acpi.c The following failure was reported on HPE ProLiant D320: 10.693310 T1 tpmtis STM0925:00: 2.0 TPM device-id 0x3, rev-id 0 10.848132 T1 ------------ Cut here ------------ 10.853559 T1...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: Fixed an issue where free was called after the memory was allocated. Our code analyzer reported a Use-after-Free UAF vulnerability. In the function siwallocmr, it calls siwmraddmemmr,.... In the implementation of...

Astra Linux – Vulnerability in WebKit2GTK

A “use-after-free” issue has been addressed through improved memory management. This issue is fixed in watchOS 10, iOS 17, iPadOS 17, tvOS 17, macOS Sonoma 14, and Safari 17. Processing web content may lead to arbitrary code execution...

Astra Linux – Vulnerability in WebKit2GTK

A “use-after-free” issue has been addressed through improved memory management. This issue is fixed in iOS 17, iPadOS 17, watchOS 10, and macOS Sonoma 14. Processing web content may lead to arbitrary code execution...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: x86/mm: Eliminate the window where the window in which TLB flushes may be inadvertently skipped. TL;DR: There is a window in the MM switching code where the new CR3 is set, and the CPU should receive TLB flushes for the new MM...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm/pagealloc: prevents corruption of pcp with SMP=n. The kernel test robot has reported the following issue: BUG: spinlock trylock failure on UP on CPU0, kcompactd0/28 Lock: 0xffff888807e35ef0, .magic: dead4ead, .owner:...

PT-2026-91645

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 27 and iPadOS 27. An app may be able to cause unexpected system termination...

Linux Distros Unpatched Vulnerability : CVE-2026-89502

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ring-buffer: Free cpubuffer::freepage with subbuforder When sub-buffers use an order greater than 0, cpubuffer-freepage is allocated with subbuforder. Use the...

Linux Distros Unpatched Vulnerability : CVE-2026-89758

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mm/mempolicy: skip non-present PMDs when queueing folios Patch series mm: handle device-private PMDs in walk callbacks, v3. Since commit 368076f52ebe...

CVE-2026-89758

A flaw was found in the Linux kernel's memory management subsystem. When an HMM-based Graphics Processing Unit GPU driver migrates a Transparent Huge Page THP to device memory, it can leave a device-private Page Middle Directory PMD entry. If a user-space application then attempts to manage this...

CVE-2026-89757

A flaw was found in the Linux kernel's memory management unit MMU, specifically within the multi-generational Least Recently Used mglru mechanism. A bug in how the kernel handles unevictable memory pages can lead to these pages remaining locked in memory even after they should be released. This c...

CVE-2026-89757

In the Linux kernel, the following vulnerability has been resolved: mm/mglru: fix and remove redundant unevictable folio handling sortfolio has a shortcut for moving folios that are no longer evictable but are still sitting on a generation list. However, this shortcut is buggy. It does not follow...

CVE-2026-89758

In the Linux kernel, the following vulnerability has been resolved: mm/mempolicy: skip non-present PMDs when queueing folios Patch series "mm: handle device-private PMDs in walk callbacks", v3. Since commit 368076f52ebe "mm/hugememory: add device-private THP support to PMD operations" a PMD may...

UBUNTU-CVE-2026-89758

In the Linux kernel, the following vulnerability has been resolved: mm/mempolicy: skip non-present PMDs when queueing folios Patch series "mm: handle device-private PMDs in walk callbacks", v3. Since commit 368076f52ebe "mm/hugememory: add device-private THP support to PMD operations" a PMD may...

CVE-2026-89502

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Free cpubuffer::freepage with subbuforder When sub-buffers use an order greater than 0, cpubuffer-freepage is allocated with subbuforder. Use the correct order for cpubuffer-freepage...

CVE-2026-89757

CVE-2026-89757 affects the Linux kernel 's multi-gen LRU (mglru) subsystem. The root cause is a buggy shortcut in sort_folio() for handling unevictable folios: it fails to initialize mlock_count , causing it to alias LIST_POISON2 (value 290). As a result, __munlock_folio() cannot clear the PG_mlo...