Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from improper handling of cryptographic buffers in non-contiguous memory, which could cause the kernel to crash...

PT-2025-37981

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains an issue where the communication buffer allocated by setup mm hdr was not contiguous, despite being expected to be by tee shm register kernel buf. This could le...

SUSE CVE-2025-38050

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix kernel NULL pointer dereference when replacing free hugetlb folios A kernel crash was observed when replacing free hugetlb folios: BUG: kernel NULL pointer dereference, address: 0000000000000028 PGD 0 P4D 0 Oops:...

AZL-72713 CVE-2025-38071 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: x86/mm: Check return value from memblockphysallocrange At least with CONFIGPHYSICALSTART=0x100000, if there is 4 MiB of contiguous free memory available at this point, the kernel will crash and burn because memblockphysallocrange...

UBUNTU-CVE-2025-38050

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix kernel NULL pointer dereference when replacing free hugetlb folios A kernel crash was observed when replacing free hugetlb folios: BUG: kernel NULL pointer dereference, address: 0000000000000028 PGD 0 P4D 0 Oops:...

CVE-2025-38050 mm/hugetlb: fix kernel NULL pointer dereference when replacing free hugetlb folios

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix kernel NULL pointer dereference when replacing free hugetlb folios A kernel crash was observed when replacing free hugetlb folios: BUG: kernel NULL pointer dereference, address: 0000000000000028 PGD 0 P4D 0 Oops:...

DEBIAN-CVE-2025-22091

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fix pagesize variable overflow Change all variables storing mlx5umemmkcfindbestpgsz result to unsigned long to support values larger than 31 and avoid overflow. For example: If we try to register 4GB of memory that is...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: dma-buf: heaps: Fixed an issue where the CMA heap fault handler made a mistake in calculating the boundary. Until the VMDONTEXPAND flag was added in commit 1c1914d6e8c6 “dma-buf: heaps: Don’t track CMA dma-buf pages under RssFile...

PT-2026-2900

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel related to kexec and the Integrity Measurement Architecture IMA. Specifically, the issue arises when the kexec target address is allocated within the CM...

PT-2024-36985

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue arises during early initialization in the Linux kernel, specifically in the powerpc/fadump module. The problem occurs because CMA MIN ALIGNMENT BYTES can be PAGE SIZE during...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a CMA memory alignment issue caused by an improperly placed fadmumpcmainit in the powerpc/fadump module...

dma-buf: heaps: Fix off-by-one in CMA heap fault handler

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SUSE CVE-2024-46852

In the Linux kernel, the following vulnerability has been resolved: dma-buf: heaps: Fix off-by-one in CMA heap fault handler Until VMDONTEXPAND was added in commit 1c1914d6e8c6 "dma-buf: heaps: Don't track CMA dma-buf pages under RssFile" it was possible to obtain a mapping larger than the buffer...

AZL-49809 CVE-2024-46852 affecting package kernel for versions less than 5.15.176.3-1

In the Linux kernel, the following vulnerability has been resolved: dma-buf: heaps: Fix off-by-one in CMA heap fault handler Until VMDONTEXPAND was added in commit 1c1914d6e8c6 "dma-buf: heaps: Don't track CMA dma-buf pages under RssFile" it was possible to obtain a mapping larger than the buffer...

UBUNTU-CVE-2024-46852

In the Linux kernel, the following vulnerability has been resolved: dma-buf: heaps: Fix off-by-one in CMA heap fault handler Until VMDONTEXPAND was added in commit 1c1914d6e8c6 "dma-buf: heaps: Don't track CMA dma-buf pages under RssFile" it was possible to obtain a mapping larger than the buffer...

CVE-2024-38543 lib/test_hmm.c: handle src_pfns and dst_pfns allocation failure

In the Linux kernel, the following vulnerability has been resolved: lib/testhmm.c: handle srcpfns and dstpfns allocation failure The kcalloc in dmirrordeviceevictchunk will return null if the physical memory has run out. As a result, if srcpfns or dstpfns is dereferenced, the null pointer...

CVE-2024-26943 nouveau/dmem: handle kcalloc() allocation failure

In the Linux kernel, the following vulnerability has been resolved: nouveau/dmem: handle kcalloc allocation failure The kcalloc in nouveaudmemevictchunk will return null if the physical memory has run out. As a result, if we dereference srcpfns, dstpfns or dmaaddrs, the null pointer dereference...

CVE-2024-26943 nouveau/dmem: handle kcalloc() allocation failure

In the Linux kernel, the following vulnerability has been resolved: nouveau/dmem: handle kcalloc allocation failure The kcalloc in nouveaudmemevictchunk will return null if the physical memory has run out. As a result, if we dereference srcpfns, dstpfns or dmaaddrs, the null pointer dereference...

CVE-2024-26943

In the Linux kernel, the following vulnerability has been resolved: nouveau/dmem: handle kcalloc allocation failure The kcalloc in nouveaudmemevictchunk will return null if the physical memory has run out. As a result, if we dereference srcpfns, dstpfns or dmaaddrs, the null pointer dereference...

Cisco AnyConnect Secure Mobility Client Denial of Service Vulnerability

Cisco AnyConnect Secure Mobility Client is a set of next-generation VPN clients from Cisco. The client enables remote users to securely connect to the Cisco ASA 5500 device via SSL VPN. A denial of service vulnerability exists in Cisco AnyConnect Secure Mobility Client 4.0on OS X that allows loca...