EUVD-2026-35149

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix early boot crash on parameters without '=' separator If hugepages, hugepagesz, or defaulthugepagesz are specified on the kernel command line without the '=' separator, early parameter parsing passes NULL to...

CVE-2026-46284

In the Linux kernel, the vulnerability (CVE-2026-46284) affects early boot parameter parsing for hugepages. When hugepages, hugepagesz, or default_hugepagesz are supplied on the kernel command line without an '=' separator, early parsing passes NULL to hugetlb_add_param(), which dereferences NULL...

CVE-2026-46284

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix early boot crash on parameters without '=' separator If hugepages, hugepagesz, or defaulthugepagesz are specified on the kernel command line without the '=' separator, early parameter parsing passes NULL to...

PT-2026-47356

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix early boot crash on parameters without '=' separator If hugepages, hugepagesz, or default hugepagesz are specified on the kernel command line without the '=' separator, early parameter parsing passes NULL to huget...

EulerOS Virtualization 2.12.0 : kernel (EulerOS-SA-2026-2102)

According to the versions of the kernel packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : netfilter: ctnetlink: remove refcounting in expectation dumpersCVE-2025-39764 nvme: nvme-fc: Ensure -ioerrwork is cancelled in...

EulerOS Virtualization 2.12.1 : kernel (EulerOS-SA-2026-2077)

According to the versions of the kernel packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : netfilter: ctnetlink: remove refcounting in expectation dumpersCVE-2025-39764 nvme: nvme-fc: Ensure -ioerrwork is cancelled in...

RXSA-2026:3488 Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: smc: Use skdstget and dstdevrcu in smcclcprfxmatch CVE-2025-40168 kernel: ipv6: BUG in pskbexpandhead as part of calipsoskbuffsetattr CVE-2025-71085 kernel: Linux kernel: Denial of Servic...

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

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

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: hugetlb: fix UAF in hugetlbhandleuserfault The vmalock and hugetlbfaultmutex are removed before handling userfault, and reacquired again after handleuserfault. However, reacquiring the vmalock could lead to a...

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

In the Linux kernel, the following vulnerability has been resolved: mm: hugetlb: avoiding soft lockup when using mprotect on a large memory area When calling mprotect on a large hugetlb memory area in our customer’s workload 300GB of hugetlb memory, soft lockup was observed: watchdog: BUG: soft...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: Do not call vmaaddreservation when ENOMEM occurs. Sysbot reported a segmentation fault 1 in unmaphugepagerange. This occurs because vmaneedsreservation may return -ENOMEM if allocatefileregionEntries fails to allocate...

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

In the Linux kernel, the following vulnerability has been resolved: mm/memory-failure: fixed a deadlock that occurred when hugetlboptimizevmemmap was enabled. When I performed hard offline tests with hugetlb pages, the following deadlock occurred:...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: mm/memfd: Fixed an issue where information leaks occurred during the handling of hugetlb folios. When allocating hugetlb folios for memfd, three initialization steps are missing: 1. The folios are not zeroed, resulting in kern...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: mm/hugetlb: restored global reservations to the subpool The commit a833a693a490 "mm: hugetlb: fixed an incorrect fallback for the subpool" fixed this issue. Additionally, a underflow error was addressed in hstate-resvhugepages...

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

In the Linux kernel, the following vulnerability has been resolved: mm/swapfile: HugeTLB pages are skipped for unusevma. I encountered a “bad pud” error and lost a 1GB HugeTLB when calling swapoff. The problem can be reproduced using the following steps: 1. Allocate an anonymous 1GB HugeTLB and...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: mm/hugetlb: fixed a situation where the kernel NULL pointer dereferencing occurred when replacing free hugetlb folios. A kernel crash was observed when replacing free hugetlb folios: BUG: kernel NULL pointer dereferencing,...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: mm/hugetlb: fixed the handling of PTE markers in hugetlbchangeprotection The patch series “mm/hugetlb: uffd-wp fixes for hugetlbchangeprotection”. While working with virtio-mem and background snapshots using uffd-wp on hugetlb...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Set the hugetlb mmap base address to be aligned with the pmd size. With the ltp test case “testcases/bin/hugefork02”, there is a dmesg error report message, such as: kernel BUG at mm/hugetlb.c:5550! Oops - BUG1: CPU: 0...

Astra Linux - уязвимость в linux-5.10, linux

In the Linux kernel, the following vulnerability has been resolved: mm,hugetlb: Take the hugetlblock before decrementing h-resvhugepages. The h-hugepages counters are protected by the hugetlblock, but allochugepage has a corner-case scenario where it can decrement the counter outside of the lock...