Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: perf/core: The handling of buffer mapping fails correctly in perfmmap. After a buffer is successfully allocated or attached to an existing buffer, perfmmap attempts to map the buffer into the page table in read-only mode. If this...

CVE-2025-38564

In the Linux kernel, the following vulnerability has been resolved: perf/core: Handle buffer mapping fail correctly in perfmmap After successful allocation of a buffer or a successful attachment to an existing buffer perfmmap tries to map the buffer read only into the page table. If that fails, t...

CVE-2025-38564

CVE-2025-38564 involves the Linux kernel perf subsystem. The issue occurs in perf_mmap() when mapping a buffer read‑only into the page table after the buffer is allocated or attached. If map_range() fails, the kernel currently zaps the page table entries but does not invoke perf_mmap_close(), lea...

CVE-2025-38564

In the Linux kernel, the following vulnerability has been resolved: perf/core: Handle buffer mapping fail correctly in perfmmap After successful allocation of a buffer or a successful attachment to an existing buffer perfmmap tries to map the buffer read only into the page table. If that fails, t...

PT-2025-33763 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The perf mmap function in the Linux kernel does not correctly handle buffer mapping failures. Specifically, if mapping a buffer read-only into the page table fails after successful...