CVE-2026-43497 fbdev: udlfb: add vm_ops to dlfb_ops_mmap to prevent use-after-free

In the Linux kernel, the following vulnerability has been resolved: fbdev: udlfb: add vmops to dlfbopsmmap to prevent use-after-free dlfbopsmmap uses remappfnrange to map vmalloc framebuffer pages to userspace but sets no vmops on the VMA. This means the kernel cannot track active mmaps. When...

CVE-2026-43497 fbdev: udlfb: add vm_ops to dlfb_ops_mmap to prevent use-after-free

In the Linux kernel, the following vulnerability has been resolved: fbdev: udlfb: add vmops to dlfbopsmmap to prevent use-after-free dlfbopsmmap uses remappfnrange to map vmalloc framebuffer pages to userspace but sets no vmops on the VMA. This means the kernel cannot track active mmaps. When...

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, which stems from the fbdev: udlfb module. In this module, the dlfbopsmmap function does not set vmops, causing the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/mseal: The end of the current VMA was correctly updated during merging. Previously, we stored the end of the current VMA in currend. When moving to the next VMA, we updated currstart to currend to proceed to the next VMA...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: rustbinder: Avoid reading the written value in the offset array. When sending a transaction, its offset array is first copied into the target process’s virtual memory area vma. Then, the values are read back from there. This is...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau: fixed an stale locked mutex in nouveaugemioctlpushbuf If VMBIND is enabled on the client, the legacy submission ioctl cannot be used. However, if a client attempts to use it anyway, an error will be returned. In this...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/rmap: Fixed potential out-of-bounds access to the page table during batched unmap operations. As pointed out by David1, the batched unmap logic in trytounmapone may read past the end of a PTE table when the PTE mappings of a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: rustbinder: Check ownership before using vma. When installing missing pages or zapping them, Rust Binder will look up the vma in the memory management unit by address, and then call vminsertpage or zappagerangesingle. However, if...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm: fixed a UAF Use-After-Free issue when vma-mm is freed after vma-vmrefcnt has been dropped. By introducing delays in the appropriate places, Jann Horn created a scenario where a UAF issue could occur—a problem that became...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: s390/vmem: Split pages when debug pagealloc is enabled. Since commit bb1520d581a3 “s390/mm: Start kernel with DAT enabled”, the kernel crashes early during boot when debug pagealloc is enabled. Symptoms: - Memory initialization:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Added a synchronization step after creating a vram block. Data corruption will occur on vrams allocated by svm if the initialization is not complete and an application writes to the memory. Adding a synchronization st...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/msm: Fixed the mmap operation to include VMIO and VMDONTDUMP. In commit 510410bfc034 “drm/msm: Implement mmap as a GEM object function”, we switched to a new and cleaner approach for handling this issue. That’s good, but we...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/msm: Fix bootup splat with separategpudrm modparam The drmgemforeachgpuvmbo call from lookupvma accesses drmgemobj.gpuva.list, which is not initialized when the drm driver does not support DRIVERGEMGPUVA feature. Enable it fo...

Linux Distros Unpatched Vulnerability : CVE-2026-43434

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: rustbinder: check ownership before using vma When installing missing pages or zapping them,...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021605)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021605 advisory. In the Linux kernel, the following vulnerability has been resolved: mm/mempolicy: fix migratetonode assuming there is at least one VMA in a MM We currently assume th...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021536)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021536 advisory. In the Linux kernel, the following vulnerability has been resolved: mm: /proc/pid/smapsrollup: fix no vma's null-deref Commit 258f669e7e88 mm: /proc/pid/smapsrollup:...

CVE-2026-42006

An attacker can cause uncontrolled memory usage with excessive bracing over IMAP. The fix in CVE-2026-27857 was incomplete, only blocking one way of doing this, so there was still another way left open. In particular, the fix was for closing braces, but you could still use open braces to bypass t...

PT-2026-61368

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the qaic gem object mmap function where the call to remap pfn range is susceptible to mapping beyond the Virtual Memory Area VMA if the Buffer Object BO is too large...

mm/vmalloc: prevent RCU stalls in kasan_release_vmalloc_node

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CVE-2026-43433

A flaw was found in the Linux kernel's rustbinder component. If a local process gains the ability to write to its own virtual memory area VMA, it could exploit a time-of-check to time-of-use TOCTOU vulnerability. This allows the process to alter the offsets array during a transaction before it is...