The vulnerability of the p2pmem_alloc_mmap() function in the drivers/pci/p2pdma.c module of the Linux operating system’s PCI device driver allows a hacker to cause a service failure.

The vulnerability of the p2pmemallocmmap function in the drivers/pci/p2pdma.c module of the Linux operating system’s PCI device driver is related to errors during the update of the reference counter. Exploiting this vulnerability could allow an attacker to cause a service failure...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: PCI/P2PDMA: Fixed the warning condition in p2pmemallocmmap The commit b7e282378773 has already changed the initial page refcount of p2pdma from one to zero. However, in p2pmemallocmmap, it uses “VMWARNONONCEPAGE!pagerefcountpage”...

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 the page reference counting assertion condition in p2pmemallocmmap, potentially leadi...

CVE-2026-46268: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: PCI/P2PDMA: Fix p2pmemallocmmap warning condition Commit b7e282378773 has already changed the initial page refcount of p2pdma page from one to zero, however, in p2pmemallocmmap it uses "VMWARNONONCEPAGE!pagerefcountpage" to asser...