Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: legitimizemnt. The check for MNTSYNCUMOUNT should be performed under mountlock. … Otherwise, we risk stealing the final mntput from sync umount. This occurs after umount2 verifies that the victim is not busy, but before it sets...

SUSE-SU-2025:20405-1 Security update for systemd

This update for systemd fixes the following issues: - coredump: use %d in kernel core pattern CVE-2025-4598 - Revert "macro: terminate the temporary VAARGSFOREACH array with a sentinel" SUSE specific - umount: do not move busy network mounts bsc1236177 - man/pstore.conf: pstore.conf template is n...

OESA-2025-1571 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: A double-free flaw was found in the Linux kernel’s NTFS3 subsystem in how a user triggers remount and umount simultaneously. This flaw allows a local user to crash or potentially escalate their privileges on the...

SUSE CVE-2025-37904

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix the inode leak in btrfsiget BUG There is a bug report that a syzbot reproducer can lead to the following busy inode at unmount time: BTRFS info device loop1: last unmount of filesystem...

CVE-2025-37904

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix the inode leak in btrfsiget BUG There is a bug report that a syzbot reproducer can lead to the following busy inode at unmount time: BTRFS info device loop1: last unmount of filesystem...

UBUNTU-CVE-2025-37904

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix the inode leak in btrfsiget BUG There is a bug report that a syzbot reproducer can lead to the following busy inode at unmount time: BTRFS info device loop1: last unmount of filesystem...

CVE-2025-37904

CVE-2025-37904 affects the Linux kernel (btrfs) where a bug in btrfs_iget() can leak an inode if btrfs_alloc_path() fails, leaving a busy inode and triggering a kernel BUG in fs/super.c during unmount. The root cause is failure to release the previously allocated inode when btrfs_alloc_path() fai...

kernel: cgroup/cpuset: Prevent UAF in proc_cpuset_show()

A use-after-free UAF flaw was found in the proccpusetshow function. This issue can allow an attacker to access the css of the root caused by a race condition when the cgrouproot should be freed when it is unmounted from the resource...

kernel: smb: During unmount, ensure all cached dir instances drop their dentry

In the Linux kernel, the following vulnerability has been resolved: smb: During unmount, ensure all cached dir instances drop their dentry The unmount process cifskillsb calling closeallcacheddirs can race with various cached directory operations, which ultimately results in dentries not being...

kernel: nfsd: fix nfs4_openowner leak when concurrent nfsd4_open occur

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix nfs4openowner leak when concurrent nfsd4open occur The action force umountumount -f will attempt to kill all rpctask even umount operation may ultimately fail if some files remain open. Consequently, if an action attemp...

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...

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...