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 the refreshcacheworker function accessing a freed DFS session at umount, which could lead to reuse after...

SUSE CVE-2025-23132

In the Linux kernel, the following vulnerability has been resolved: f2fs: quota: fix to avoid warning in dquotwritebackdquots F2FS-fs dm-59: checkpoint=enable has some unwritten data. ------------ cut here ------------ WARNING: CPU: 6 PID: 8013 at fs/quota/dquot.c:691...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2022-49053: scsi: target: tcmu: Fix possible page UAF bsc1237918. CVE-2022-49465: blk-throttle: Set BIOTHROTTLED when bio has been throttled bsc1238919...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2022-49053: scsi: target: tcmu: Fix possible page UAF bsc1237918. CVE-2022-49465: blk-throttle: Set BIOTHROTTLED when bio has been throttled bsc1238919...

btrfs: flush delalloc workers queue before stopping cleaner kthread during unmount

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Linux Distros Unpatched Vulnerability : CVE-2024-53176

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smb: During unmount, ensure all cached dir instances drop their dentry The unmount process cifskillsb calling closeallcacheddirs can race with various cached...

SUSE CVE-2022-49281

In the Linux kernel, the following vulnerability has been resolved: cifs: fix handlecache and multiuser In multiuser each individual user has their own tcon structure for the share and thus their own handle for a cached directory. When we umount such a share we much make sure to release the pinne...

SUSE CVE-2022-49550

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: provide blockinvalidatefolio to fix memory leak The ntfs3 filesystem lacks the 'invalidatefolio' method and it causes memory leak. If you write to the filesystem and then unmount it, the cached written data are not free...

SUSE CVE-2022-49702

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix hang during unmount when block group reclaim task is running When we start an unmount, at closectree, if we have the reclaim task running and in the middle of a data block group relocation, we can trigger a deadlock wh...

DEBIAN-CVE-2022-49702

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix hang during unmount when block group reclaim task is running When we start an unmount, at closectree, if we have the reclaim task running and in the middle of a data block group relocation, we can trigger a deadlock wh...

CVE-2022-49702

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix hang during unmount when block group reclaim task is running When we start an unmount, at closectree, if we have the reclaim task running and in the middle of a data block group relocation, we can trigger a deadlock wh...

DEBIAN-CVE-2022-49281

In the Linux kernel, the following vulnerability has been resolved: cifs: fix handlecache and multiuser In multiuser each individual user has their own tcon structure for the share and thus their own handle for a cached directory. When we umount such a share we much make sure to release the pinne...

UBUNTU-CVE-2022-49281

In the Linux kernel, the following vulnerability has been resolved: cifs: fix handlecache and multiuser In multiuser each individual user has their own tcon structure for the share and thus their own handle for a cached directory. When we umount such a share we much make sure to release the pinne...

UBUNTU-CVE-2022-49702

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix hang during unmount when block group reclaim task is running When we start an unmount, at closectree, if we have the reclaim task running and in the middle of a data block group relocation, we can trigger a deadlock wh...

CVE-2022-49702 btrfs: fix hang during unmount when block group reclaim task is running

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix hang during unmount when block group reclaim task is running When we start an unmount, at closectree, if we have the reclaim task running and in the middle of a data block group relocation, we can trigger a deadlock wh...

CVE-2022-49702

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix hang during unmount when block group reclaim task is running When we start an unmount, at closectree, if we have the reclaim task running and in the middle of a data block group relocation, we can trigger a deadlock wh...

CVE-2022-49702

Summary: CVE-2022-49702 concerns a deadlock in Linux kernel when unmounting a filesystem with an async block group reclaim task relocating data. Multiple reclaim tasks (block-group, metadata/data) can interact with a parked cleaner thread, leading to a hang during close_ctree()/unmount due to del...

CVE-2022-49550 fs/ntfs3: provide block_invalidate_folio to fix memory leak

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: provide blockinvalidatefolio to fix memory leak The ntfs3 filesystem lacks the 'invalidatefolio' method and it causes memory leak. If you write to the filesystem and then unmount it, the cached written data are not free...

PT-2025-8635 · Linux +1 · Linux Kernel +1

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A deadlock can occur in the Linux kernel when an unmount operation is initiated while an async block group reclaim task is running and relocating a data block group. This happens becau...

PT-2025-8483 · Linux +1 · Linux Kernel +1

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A memory leak issue exists in the Linux kernel due to the lack of the invalidate folio method in the ntfs3 filesystem. This causes cached written data to not be freed when the filesyst...