kernel: cachestat: fix page cache statistics permission checking

In the Linux kernel, the following vulnerability has been resolved: cachestat: fix page cache statistics permission checking When the 'cachestat' system call was added in commit cf264e1329fb "cachestat: implement cachestat syscall", it was meant to be a much more convenient and performant version...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: cachestat: fixed the permission checking for page cache statistics. When the cachestat system call was added in commit cf264e1329fb “cachestat: implement cachestat syscall”, it was intended to be a much more convenient and...

Linux 6.5 Kernel Pointer Leak

The Linux cachestat syscall introduced in 6.5 has a read-after-type-change of folio that leads to a kernel pointer leak...

Linux Distros Unpatched Vulnerability : CVE-2025-21691

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: cachestat: fix page cache statistics permission checking When the 'cachestat' system call wa...

SUSE CVE-2025-21691

In the Linux kernel, the following vulnerability has been resolved: cachestat: fix page cache statistics permission checking When the 'cachestat' system call was added in commit cf264e1329fb "cachestat: implement cachestat syscall", it was meant to be a much more convenient and performant version...

DEBIAN-CVE-2025-21691

In the Linux kernel, the following vulnerability has been resolved: cachestat: fix page cache statistics permission checking When the 'cachestat' system call was added in commit cf264e1329fb "cachestat: implement cachestat syscall", it was meant to be a much more convenient and performant version...

UBUNTU-CVE-2025-21691

In the Linux kernel, the following vulnerability has been resolved: cachestat: fix page cache statistics permission checking When the 'cachestat' system call was added in commit cf264e1329fb "cachestat: implement cachestat syscall", it was meant to be a much more convenient and performant version...