PT-2026-52252

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description Use-after-free bugs exist in the error paths of the nvmem core. The issue occurs when the nvmem device put function is called, potentially freeing underlying memory and resources, while...

PT-2026-52229

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the RDMA/umem component where the linearization of mapping when using an iommu can result in a single large block split across multiple SG entries. The function rdma...

EUVD-2026-38820

In the Linux kernel, the following vulnerability has been resolved: iommu: Fix WARNON in iommugroupsetdomainnofail due to reset In iommugroupsetdomaininternal, concurrent domain attachments are rejected when any device in the group is recovering. This is necessary to fence concurrent attachments ...

CVE-2026-52969

In the Linux kernel, the following vulnerability has been resolved: KVM: Reject wrapped offset in kvmresetdirtygfn kvmresetdirtygfn guards the gfn range with if !memslot || offset + flsmask = memslot-npages return; but offset is u64 and the addition is unchecked. The check can be silently bypasse...

CVE-2026-52970

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftct: fix missing expect put in obj eval nftctexpectobjeval allocates an expectation and may call nfctexpectrelated, but never drops its local reference. Add nfctexpectputexp before return to balance allocation...

CVE-2026-53085

In the Linux kernel, the following vulnerability has been resolved: bpf: fix mm lifecycle in open-coded taskvma iterator The open-coded taskvma iterator reads task-mm locklessly and acquires mmapreadtrylock but never calls mmget. If the task exits concurrently, the mmstruct can be freed as it is...

CVE-2026-53057

In the Linux kernel, the following vulnerability has been resolved: iommu/riscv: Add IOTINVAL after updating DDT/PDT entries Add riscviommuiodiriotinval to perform required TLB and context cache invalidations after updating DDT or PDT entries, as mandated by the RISC-V IOMMU specification Section...

CVE-2026-53085 bpf: fix mm lifecycle in open-coded task_vma iterator

In the Linux kernel, the following vulnerability has been resolved: bpf: fix mm lifecycle in open-coded taskvma iterator The open-coded taskvma iterator reads task-mm locklessly and acquires mmapreadtrylock but never calls mmget. If the task exits concurrently, the mmstruct can be freed as it is...

EUVD-2026-38953

In the Linux kernel, the following vulnerability has been resolved: bpf: fix mm lifecycle in open-coded taskvma iterator The open-coded taskvma iterator reads task-mm locklessly and acquires mmapreadtrylock but never calls mmget. If the task exits concurrently, the mmstruct can be freed as it is...

CVE-2026-53067

The CVE-2026-53067 issue affects the Linux kernel PCI endpoint MSI doorbell allocation (pci-ep-msi). Root cause: pci_epf_alloc_doorbell() caches the doorbell array in epf->db_msg and epf->num_db before MSI vectors are allocated; if MSI allocation fails, the array could be freed while epf st...

CVE-2026-53057

The CVE-2026-53057 entry describes a Linux kernel IOMMU issue for RISCV: after updating DDT/PDT entries, the system must invalidate TLB and context cache entries. The fix adds riscv_iommu_iodir_iotinval() to perform the required IOTINVAL-based invalidations in accordance with the RISC-V IOMMU spe...

CVE-2026-53000

CVE-2026-53000 affects the Linux kernel netfilter NAT path. The root issue is partial exposure of nf_hook_ops during error handling, which can lead to unsafe access to internal hook data via the datapath and nat dispatcher flow. Exploitation details are not provided in the documents, but the desc...

CVE-2026-52993 tipc: fix double-free in tipc_buf_append()

In the Linux kernel, the following vulnerability has been resolved: tipc: fix double-free in tipcbufappend tipcmsgvalidate can potentially reallocate the skb it is validating, freeing the old one. In tipcbufappend, it was being called with a pointer to a local variable which was a copy of the...

CVE-2026-52965

The CVE-2026-52965 issue affects the Linux kernel DRM TTM path. When ttm_tt_swapout() fails, the old flow could place the resource on the LRU in a way that makes the next walk re-visit the same resource, causing an infinite loop and potential DoS. The fixes defer the bulk-move deletion to the suc...

CVE-2026-52949 drm/ttm: Fix ttm_bo_shrink() infinite LRU walk on backup failure

In the Linux kernel, the following vulnerability has been resolved: drm/ttm: Fix ttmboshrink infinite LRU walk on backup failure Apply the same fix as b2ed01e7ad "drm/ttm: Fix ttmboswapout infinite LRU walk on swapout failure" to the ttmboshrink path. Move delbulkmove from before the backup to...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: net: wan/fslucchdlc: Fixed the dmafreecoherent function in uhdlcmemclean. The priv-rxbuffer and priv-txbuffer are allocated together as contiguous buffers in uhdlcinit, but they are freed as two separate buffers in uhdlcmemclean...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Use kvfree instead of kfree in amdgpugmcgetnpsmemranges. The amdgpudiscoverygetnpsinfo function internally allocates memory for ranges using kvcalloc, which may use vmalloc for large allocations. Using kfree to releas...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: drm/panthor: Fixed UAF issues on kernel BO VA nodes. If the MMU is down, panthorvmunmaprange might return an error. We expect the page table to still be updated; if the MMU is blocked, the rest of the GPU should also be blocke...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: wifi: rtw88: Use devmkmemdup in rtwsetsupportedband. The code has been simplified by using device-managed memory allocations. This also fixes a memory leak in rtwregisterhw. The supported bands were not freed in the error path...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: drm/buddy: This issue was addressed by validating the rounded allocation size before proceeding with the allocation process. When the DRMBUDDYCONTIGUOUSALLOCATION flag is set, the requested allocation size is rounded up to the ne...