CVE-2026-53265

CVE-2026-53265 – Linux kernel : A race in dm cache policy SMQ allowed a check-then-act sequence to observe e->allocated as true before taking mq->lock. Two concurrent invalidators could both proceed, causing one to remove the entry from queues/hash table and free_entry(), then another to ac...

EUVD-2026-39216

In the Linux kernel, the following vulnerability has been resolved: dm cache policy smq: check allocation under invalidate lock commit 2d1f7b65f5de "dm cache policy smq: fix missing locks in invalidating cache blocks" added mq-lock around the destructive part of smqinvalidatemapping, but left the...

EUVD-2026-38819

In the Linux kernel, the following vulnerability has been resolved: drm/xe/dma-buf: handle empty bo and UAF races There look to be some nasty races here when triggering the invalidatemappings hook: 1 We do xeboalloc followed by the attach, before the actual full bo init step in xedmabufinitobj...

EUVD-2026-38932

In the Linux kernel, the following vulnerability has been resolved: dm cache: fix null-deref with concurrent writes in passthrough mode In passthrough mode, when dm-cache starts to invalidate a cache entry and bio prison cell lock fails due to concurrent write to the same cached block, mg-cell...

EUVD-2026-38931

In the Linux kernel, the following vulnerability has been resolved: dm cache: fix write hang in passthrough mode The invalidateremove function has incomplete logic for handling write hit bios after cache invalidation. It sets up the remapping for the overwritebio but then drops it immediately...

EUVD-2026-38451

FOSSBilling is a free, open-source billing and client management system. Starting in version 0.5.4 and prior to version 0.8.0, an authorization bypass in the API role handling allows unauthenticated access to privileged /api/system/ endpoints. Because system resolves to the cron admin identity,...

PT-2026-51521

Name of the Vulnerable Software and Affected Versions FOSSBilling versions 0.5.4 through 0.7.x Description An authorization bypass in the API role handling allows unauthenticated access to privileged '/api/system/' endpoints. Because system resolves to the cron admin identity, attackers can invok...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: netfs: Call invalidatecache only if implemented Many fileystems, such as NFS and Ceph, do not implement the invalidatecache method. On these fileystems, if writing to the cache NETFSWRITETOCACHE fails for some reason, the kernel...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/xe/guc: A devm-managed release action was added to safely tear down the CT. When a buffer object BO is allocated with the XEBOFLAGGGTTINVALIDATE flag, the driver initiates TLB invalidation requests via the CTB mechanism while...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: iommu/arm-smmu-v3: Fixed the soft lockup triggered by armsmmumminvalidaterange. When running an SVA case, the following soft lockup is triggered: -------------------------------------------------------------------- watchdog:...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel. This vulnerability arises from the vgicitsinvalidatecache function, which incorrectly places an iteration pointer ...

PT-2026-47753

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 13031fb6b835 Description A race condition exists in the vGIC-ITS Interrupt Translation Service emulation within KVM on arm64 systems. The issue occurs in the vgic its invalidate cache function, which iterates...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: The blockinvalidatefolio method was provided to fix a memory leak. The ntfs3 filesystem lacks the invalidatefolio method, which causes a memory leak. If you write to the filesystem and then unmount it, the cached writte...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: mm: call -freefolio directly in foliounmapinvalidate. We can only call filemapfreefolio if we have a reference to or hold a lock on the mapping. Otherwise, we have already removed the folio from the mapping, so it no longer pinch...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: arm64: Errata: Add a workaround for speculative unprivileged loads on Cortex-A520. Implement the workaround according to erratum 2966298 for ARM Cortex-A520. On an affected Cortex-A520 core, a speculative unprivileged load may le...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mmmremap.c: Avoid unnecessary calls to invalidrangestart/invalidaterangeend when using mremap with oldsize=0. If the mremap system call with oldsize=0 ends up in movepagetables, it will unnecessarily call...

Linux Distros Unpatched Vulnerability : CVE-2026-31589

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mm: call -freefolio directly in foliounmapinvalidate We can only call filemapfreefolio if we have a reference to or hold a lock on the mapping. Otherwise, we've...

EUVD-2026-25482

In the Linux kernel, the following vulnerability has been resolved: mm: call -freefolio directly in foliounmapinvalidate We can only call filemapfreefolio if we have a reference to or hold a lock on the mapping. Otherwise, we've already removed the folio from the mapping so it no longer pins the...

CVE-2026-31561

In the Linux kernel, the following vulnerability has been resolved: x86/cpu: Remove X86CR4FRED from the CR4 pinned bits mask Commit in Fixes added the FRED CR4 bit to the CR4 pinned bits mask so that whenever something else modifies CR4, that bit remains set. Which in itself is a perfectly fine...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the unconditional expiration of sessions when binding fails. This could allow remote attackers to...