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 Linux kernel, which stems from a lack of proper checking of page cache statistics permissions by the cachestat system call, which could lead ...

CVE-2025-21691: Undefined Security Weakness

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...

PT-2025-6064

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability in the Linux kernel has been resolved, related to the cachestat system call. The issue arose when cachestat was added as a more convenient and performant version of...

The vulnerability of the cachestat component in the Linux operating system’s kernel allows a hacker to trigger a service failure.

The vulnerability of the cachestat component in the Linux operating system’s kernel is related to errors in reading beyond the buffer boundaries of the filemapcachestat function. Exploiting this vulnerability can allow an attacker to cause a service failure...

kernel: mm: cachestat: fix two shmem bugs

CVE-2024-35797 is a vulnerability in the Linux kernel’s memory management, specifically affecting the cachestat feature when handling shared memory. The flaw stems from race conditions during operations like swapping or invalidation, which can lead to out-of-bounds memory access or invalid pointe...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

kernel: mm: cachestat: fix folio read-after-free in cache walk

In the Linux kernel, the following vulnerability has been resolved: mm: cachestat: fix folio read-after-free in cache walk In cachestat, we access the folio from the page cache's xarray to compute its page offset, and check for its dirty and writeback flags. However, we do not hold a reference to...

SUSE CVE-2024-41033

In the Linux kernel, the following vulnerability has been resolved: cachestat: do not flush stats in recency check syzbot detects that cachestat is flushing stats, which can sleep, in its RCU read section see 1. This is done in the workingsettestrecent step which checks if the folio's eviction is...

CVE-2024-41033

In the Linux kernel, the following vulnerability has been resolved: cachestat: do not flush stats in recency check syzbot detects that cachestat is flushing stats, which can sleep, in its RCU read section see 1. This is done in the workingsettestrecent step which checks if the folio's eviction is...

DEBIAN-CVE-2024-41033

In the Linux kernel, the following vulnerability has been resolved: cachestat: do not flush stats in recency check syzbot detects that cachestat is flushing stats, which can sleep, in its RCU read section see 1. This is done in the workingsettestrecent step which checks if the folio's eviction is...

CVE-2024-41033

In the Linux kernel, the following vulnerability has been resolved: cachestat: do not flush stats in recency check syzbot detects that cachestat is flushing stats, which can sleep, in its RCU read section see 1. This is done in the workingsettestrecent step which checks if the folio's eviction is...

UBUNTU-CVE-2024-41033

In the Linux kernel, the following vulnerability has been resolved: cachestat: do not flush stats in recency check syzbot detects that cachestat is flushing stats, which can sleep, in its RCU read section see 1. This is done in the workingsettestrecent step which checks if the folio's eviction is...

CVE-2024-41033 cachestat: do not flush stats in recency check

In the Linux kernel, the following vulnerability has been resolved: cachestat: do not flush stats in recency check syzbot detects that cachestat is flushing stats, which can sleep, in its RCU read section see 1. This is done in the workingsettestrecent step which checks if the folio's eviction is...

CVE-2024-41033 cachestat: do not flush stats in recency check

In the Linux kernel, the following vulnerability has been resolved: cachestat: do not flush stats in recency check syzbot detects that cachestat is flushing stats, which can sleep, in its RCU read section see 1. This is done in the workingsettestrecent step which checks if the folio's eviction is...

CVE-2024-41033

The CVE-2024-41033 issue affects the Linux kernel cachestat component. The root cause is that cachestat() flushed stats while in an RCU read section, which can sleep during workingset_test_recent(). The fix moves the stat-flushing step to occur before the RCU read section and skips stat flushing ...

CVE-2024-41033 cachestat: do not flush stats in recency check

In the Linux kernel, the following vulnerability has been resolved: cachestat: do not flush stats in recency check syzbot detects that cachestat is flushing stats, which can sleep, in its RCU read section see 1. This is done in the workingsettestrecent step which checks if the folio's eviction is...

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 an exception in the RCU read section where the cachestat function is refreshing statistics...

CVE-2024-41033: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: cachestat: do not flush stats in recency check syzbot detects that cachestat is flushing stats, which can sleep, in its RCU read section see 1. This is done in the workingsettestrecent step which checks if the folio's eviction is...

PT-2024-29214

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability has been resolved in the Linux kernel where the cachestat function was flushing stats, which can sleep, in its RCU read section. This issue occurred in the workingset tes...

SUSE CVE-2024-35797

In the Linux kernel, the following vulnerability has been resolved: mm: cachestat: fix two shmem bugs When cachestat on shmem races with swapping and invalidation, there are two possible bugs: 1 A swapin error can have resulted in a poisoned swap entry in the shmem inode's xarray. Calling...