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...

Astra Linux - уязвимость в linux-5.10, linux

In the Linux kernel, the following vulnerabilities have been resolved: net: stmmac: fixed an issue where a left shift overflow occurred in the DMA queue. When the queue number is greater than 4, a left shift overflow occurs due to the 32-bit integer variable used in calculations. The mask...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: misc: pciendpointtest: Fixed the panic that occurs when calling pciendpointtestcopy,write,read. dmamapsingle does not allow zero-length mappings, which can cause a panic. A panic was reported on the arm64 architecture: 60.1379...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: ksmbd: smbd: fix dmaunmapsg nents The dmaunmapsg functions should be called with the same nents as the dmamapsg, not with the value returned by the map function...

SUSE CVE-2026-43302

In the Linux kernel, the following vulnerability has been resolved: drm/v3d: Set DMA segment size to avoid debug warnings When using V3D rendering with CONFIGDMAAPIDEBUG enabled, the kernel occasionally reports a segment size mismatch. This is because 'maxsegsize' is not set. The kernel defaults ...

PT-2026-38944

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the drm/v3d component where the max seg size is not set. When V3D rendering is used with CONFIG DMA API DEBUG enabled, the kernel may report a segment size mismatch...

CVE-2026-43135

In the Linux kernel, the following vulnerability has been resolved: media: cx23885: Add missing unmap in sndcx23885hwparams In error path, add cx23885alsadmaunmap to release the resource acquired by cx23885alsadmamap...

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

In the Linux kernel, the following vulnerability has been resolved: net: systemport: a potential memory leak has been fixed in bcmsysportxmit. The function bcmsysportxmit returns NETDEVTXOK without freeing the skb in case of a failure in dmamapsingle. Add devkfreeskb to address this issue...

CVE-2026-31658

In the Linux kernel, the following vulnerability has been resolved: net: altera-tse: fix skb leak on DMA mapping error in tsestartxmit When dmamapsingle fails in tsestartxmit, the function returns NETDEVTXOK without freeing the skb. Since NETDEVTXOK tells the stack the packet was consumed, the sk...

EUVD-2026-25551

In the Linux kernel, the following vulnerability has been resolved: net: altera-tse: fix skb leak on DMA mapping error in tsestartxmit When dmamapsingle fails in tsestartxmit, the function returns NETDEVTXOK without freeing the skb. Since NETDEVTXOK tells the stack the packet was consumed, the sk...

PT-2026-35010

In the Linux kernel, the following vulnerability has been resolved: net: altera-tse: fix skb leak on DMA mapping error in tse start xmit When dma map single fails in tse start xmit, the function returns NETDEV TX OK without freeing the skb. Since NETDEV TX OK tells the stack the packet was...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-010969)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010969 advisory. In the Linux kernel, the following vulnerability has been resolved: misc: pciendpointtest: Fix pciendpointtestcopy,write,read panic The dmamapsingle doesn't permit...

CVE-2026-23390

In the Linux kernel, the following vulnerability has been resolved: tracing/dma: Cap dmamapsg tracepoint arrays to prevent buffer overflow The dmamapsg tracepoint can trigger a perf buffer overflow when tracing large scatter-gather lists. With devices like virtio-gpu creating large DRM buffers,...

CVE-2026-23390

In the Linux kernel, the following vulnerability has been resolved: tracing/dma: Cap dmamapsg tracepoint arrays to prevent buffer overflow The dmamapsg tracepoint can trigger a perf buffer overflow when tracing large scatter-gather lists. With devices like virtio-gpu creating large DRM buffers,...

CVE-2026-23390 tracing/dma: Cap dma_map_sg tracepoint arrays to prevent buffer overflow

In the Linux kernel, the following vulnerability has been resolved: tracing/dma: Cap dmamapsg tracepoint arrays to prevent buffer overflow The dmamapsg tracepoint can trigger a perf buffer overflow when tracing large scatter-gather lists. With devices like virtio-gpu creating large DRM buffers,...

CVE-2026-23390 tracing/dma: Cap dma_map_sg tracepoint arrays to prevent buffer overflow

In the Linux kernel, the following vulnerability has been resolved: tracing/dma: Cap dmamapsg tracepoint arrays to prevent buffer overflow The dmamapsg tracepoint can trigger a perf buffer overflow when tracing large scatter-gather lists. With devices like virtio-gpu creating large DRM buffers,...

CVE-2026-23390

CVE-2026-23390 : In the Linux kernel, the tracing/dma subsystem fixes a potential perf buffer overflow in the dma_map_sg tracepoint when handling large scatter-gather lists (e.g., large DRM buffers). The patch caps the three dynamic arrays at 128 entries using min() to prevent excessive allocatio...

Linux Distros Unpatched Vulnerability : CVE-2026-23390

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - tracing/dma: Cap dmamapsg tracepoint arrays to prevent buffer overflow The dmamapsg tracepoint can trigger a perf buffer overflow when tracing large...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-005544)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005544 advisory. In the Linux kernel, the following vulnerability has been resolved: net: systemport: fix potential memory leak in bcmsysportxmit The bcmsysportxmit returns NETDEVTXO...

CVE-2026-23174

In the Linux kernel, the following vulnerability has been resolved: nvme-pci: handle changing device dma map requirements The initial state of dmaneedsunmap may be false, but change to true while mapping the data iterator. Enabling swiotlb is one such case that can change the result. The nvme...