ALSA-2026:21557 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: can: j1939: j1939sessionnew: fix skb reference counting CVE-2024-56645 kernel: ima: don't clear IMADIGSIG flag when setting or removing non-IMA xattr CVE-2025-68183 kernel: mm: thp: deny...

UBUNTU-CVE-2026-46019

In the Linux kernel, the following vulnerability has been resolved: crypto: atmel-aes - Fix 3-page memory leak in atmelaesbuffcleanup atmelaesbuffinit allocates 4 pages using getfreepages with ATMELAESBUFFERORDER, but atmelaesbuffcleanup frees only the first page using freepage, leaking the...

CVE-2026-46035

In the Linux kernel, the following vulnerability has been resolved: mm/pagealloc: return NULL early from allocfrozenpagesnolock in NMI on UP On UP kernels !CONFIGSMP, spintrylock is a no-op that unconditionally succeeds even when the lock is already held. As a result, allocfrozenpagesnolock calle...

CVE-2026-46035

In the Linux kernel, the following vulnerability has been resolved: mm/pagealloc: return NULL early from allocfrozenpagesnolock in NMI on UP On UP kernels !CONFIGSMP, spintrylock is a no-op that unconditionally succeeds even when the lock is already held. As a result, allocfrozenpagesnolock calle...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: The issue of page corruption caused by aracy check in freepages has been fixed. When we upgraded our kernel, we began encountering certain types of page corruption, such as the following: - BUG: Bad page state in the process...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: sched/core: Page allocation is disabled in tasktickmmcid. With KASAN and PREEMPTRT enabled, calling taskworkadd within tasktickmmcid may cause the following crash. 63.696416 BUG: A sleeping function is called from an invalid...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: virtionet: a memory leak inside XPDTX has been fixed using mergeable. When we call xdpconvertbufftoframe to obtain xdpf, if it returns NULL, we should check whether xdppage was allocated by xdplinearizepage. If it was newly...

SUSE CVE-2026-43286

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: restore failed global reservations to subpool Commit a833a693a490 "mm: hugetlb: fix incorrect fallback for subpool" fixed an underflow error for hstate-resvhugepages caused by incorrectly attributing globally requeste...

CVE-2026-43303 mm/page_alloc: clear page->private in free_pages_prepare()

In the Linux kernel, the following vulnerability has been resolved: mm/pagealloc: clear page-private in freepagesprepare Several subsystems slub, shmem, ttm, etc. use page-private but don't clear it before freeing pages. When these pages are later allocated as high-order pages and split via...

CVE-2026-43303

In the Linux kernel, the following vulnerability has been resolved: mm/pagealloc: clear page-private in freepagesprepare Several subsystems slub, shmem, ttm, etc. use page-private but don't clear it before freeing pages. When these pages are later allocated as high-order pages and split via...

Important: kernel6.12

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: tls: Use skdstget and dstdevrcu in getnetdevforsock. CVE-2025-40149 In the Linux kernel, the following vulnerability has been resolved: tpm2-sessions: Fix out of range indexing in namesize CVE-2025-68792 In the...

UBUNTU-CVE-2026-23052

In the Linux kernel, the following vulnerability has been resolved: ftrace: Do not over-allocate ftrace memory The pgremaining calculation in ftraceprocesslocs assumes that ENTRIESPERPAGE multiplied by 2^order equals the actual capacity of the allocated page group. However, ENTRIESPERPAGE is...

CVE-2026-23025

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

CVE-2026-23025

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

CVE-2026-23025

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

EUVD-2026-5069

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

CVE-2026-23025

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

SUSE CVE-2025-71134

In the Linux kernel, the following vulnerability has been resolved: mm/pagealloc: change all pageblocks migrate type on coalescing When a page is freed it coalesces with a buddy into a higher order page while possible. When the buddy page migrate type differs, it is expected to be updated to matc...

UBUNTU-CVE-2025-71134

In the Linux kernel, the following vulnerability has been resolved: mm/pagealloc: change all pageblocks migrate type on coalescing When a page is freed it coalesces with a buddy into a higher order page while possible. When the buddy page migrate type differs, it is expected to be updated to matc...

CVE-2025-71134 mm/page_alloc: change all pageblocks migrate type on coalescing

In the Linux kernel, the following vulnerability has been resolved: mm/pagealloc: change all pageblocks migrate type on coalescing When a page is freed it coalesces with a buddy into a higher order page while possible. When the buddy page migrate type differs, it is expected to be updated to matc...