CVE-2026-46091 media: rc: igorplugusb: heed coherency rules

In the Linux kernel, the following vulnerability has been resolved: media: rc: igorplugusb: heed coherency rules In a control request, the USB request structure can be subject to DMA on some HCs. Hence it must obey the rules for DMA coherency. Allocate it separately...

CVE-2026-46081 crypto: acomp - fix wrong pointer stored by acomp_save_req()

In the Linux kernel, the following vulnerability has been resolved: crypto: acomp - fix wrong pointer stored by acompsavereq acompsavereq stores &req-chain in req-base.data. When acompreqchaindone is invoked on asynchronous completion, it receives &req-chain as the data argument but casts it...

CVE-2026-46077 crypto: atmel-tdes - fix DMA sync direction

In the Linux kernel, the following vulnerability has been resolved: crypto: atmel-tdes - fix DMA sync direction Before DMA output is consumed by the CPU, -dmaaddrout must be synced with dmasyncsingleforcpu instead of dmasyncsinglefordevice. Using the wrong direction can return stale cache data on...

CVE-2026-46077

In the Linux kernel, the following vulnerability has been resolved: crypto: atmel-tdes - fix DMA sync direction Before DMA output is consumed by the CPU, -dmaaddrout must be synced with dmasyncsingleforcpu instead of dmasyncsinglefordevice. Using the wrong direction can return stale cache data on...

CVE-2026-46007

CVE-2026-46007 targets the Linux kernel hwmon: powerz code, where a DMA transfer buffer may accidentally share a cacheline with a mutex, enabling a cacheline sharing risk for DMA. The issue is mitigated by using the high‑level DMA helpers to ensure no cacheline sharing occurs, and by removing the...

CVE-2026-45944 iommu/vt-d: Clear Present bit before tearing down context entry

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Clear Present bit before tearing down context entry When tearing down a context entry, the current implementation zeros the entire 128-bit entry using multiple 64-bit writes. This creates a window where the hardware c...

CVE-2026-45894 iommu/vt-d: Clear Present bit before tearing down PASID entry

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Clear Present bit before tearing down PASID entry The Intel VT-d Scalable Mode PASID table entry consists of 512 bits 64 bytes. When tearing down an entry, the current implementation zeros the entire 64-byte structure...

CVE-2026-45880 PCI/P2PDMA: Release per-CPU pgmap ref when vm_insert_page() fails

In the Linux kernel, the following vulnerability has been resolved: PCI/P2PDMA: Release per-CPU pgmap ref when vminsertpage fails When vminsertpage fails in p2pmemallocmmap, p2pmemallocmmap doesn't invoke percpurefput to free the per-CPU ref of pgmap acquired after genpoolallocowner, and...

CVE-2026-45880

CVE-2026-45880 – Linux kernel PCI/P2PDMA issue : When vm_insert_page() fails during p2pmem_alloc_mmap(), the code does not release the per-CPU ref for pgmap acquired after gen_pool_alloc_owner(), causing memunmap_pages() to hang when removing a PCI device. The patch fixes this by adding the missi...

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 a memory leak in the amdxdnaubufmap function. This issue occurs when operations like...

PT-2026-43747

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the PCI/P2PDMA component where the p2pmem alloc mmap function fails to invoke percpu ref put to release the per-CPU reference of pgmap acquired after gen pool alloc...

PT-2026-43848

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the css alloc subchannel function where device initialize is called before the DMA masks are configured. If the dma set coherent mask or dma set mask functions fail, t...

PT-2026-43959

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified openSUSE Tumbleweed versions prior to kernel-devel-7.0.11-1.1 Description A DMA coherency issue exists in the igorplugusb driver within the media subsystem. In a control request, the USB request...

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 an error in DMA synchronization direction in the crypto Atmel-TDES module. This vulnerability may...

Ubuntu 24.04 LTS : Linux kernel (FIPS) vulnerabilities (USN-8296-1)

The remote Ubuntu 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8296-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in...

Ubuntu 20.04 LTS : Linux kernel (GCP) vulnerabilities (USN-8297-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8297-1 advisory. Stonejiajia, Shir Tamari and Sagi Tzadik discovered that the OverlayFS implementation in the Ubuntu Linux kernel did not properly perform permission chec...

kernel: RDMA/umem: Fix double dma_buf_unpin in failure path

A flaw was found in the Linux kernel's RDMA/umem subsystem. A memory management error, specifically a double unpin of a dmabuf, can occur in a failure path during dmabuf pinning operations. This vulnerability could lead to system instability or a crash, resulting in a Denial of Service DoS...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: xhci: Error handling was added in xhcimapurbfordma. Currently, xhcimapurbfordma creates a temporary buffer and copies the SG list to the new linear buffer. However, if kzallocnode fails, the call to sgpcopytobuffer may lead ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Added outer runtime PM protection to xelivektest@xedmabuf. Any process using the kunit interface that performs memory accesses should receive its own outer runtime PM protection, since it does not use the standard driver...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: usb-storage: alauda: Fixed an issue where an uninitialized value was used in alaudacheckmedia. Syzbot reported that KMSAN complained about accessing an uninitialized value within the alauda subdriver of usb-storage. Bug: KMSAN...