CVE-2025-39866: Use After Free

In the Linux kernel, the following vulnerability has been resolved: fs: writeback: fix use-after-free in markinodedirty An use-after-free issue occurred when markinodedirty get the bdiwriteback that was in the progress of switching. CPU: 1 PID: 562 Comm: systemd-random- Not tainted...

SUSE CVE-2023-53371

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: fix memory leak in mlx5efsttredirectanycreate The memory pointed to by the fs-any pointer is not freed in the error path of mlx5efsttredirectanycreate, which can lead to a memory leak. Fix by freeing the memory in the...

CVE-2023-53391

CVE-2023-53391 patches the Linux kernel shmem:ramfs-based tmpfs memory leak by replacing kill_sb with ramfs_kill_sb() in ramfs-based tmpfs, freeing fc->s_fs_info during init_fs_context() cleanup. Affected: Linux kernel ramfs/tmpfs shmem path; root cause: memory leak in kill_sb/init_fs_context ...

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 ramfs-based tmpfs not properly freeing fc-sfsinfo, which could lead to a memory leak...

CVE-2022-50373: Concurrent Execution using Shared Resource with Improper Synchronization

In the Linux kernel, the following vulnerability has been resolved: fs: dlm: fix race in lowcomms This patch fixes a race between queuework in dlmlowcommscommitmsg and srcureadunlock. The queuework can take the final reference of a dlmmsg and so msg-idx can contain garbage which is signaled by th...

CVE-2023-53328: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Enhance sanity check while generating attrlist nicreateattrlist uses WARNON to catch error cases while generating attribute list, which only prints out stack trace and may not be enough. This repalces them with more...

CVE-2023-53294: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fix null-ptr-deref on inode-iop in ntfslookup Syzbot reported a null-ptr-deref bug: ntfs3: loop0: Different NTFS' sector size 1024 and media sector size 512 ntfs3: loop0: Mark volume as dirty due to NTFS errors general...

CVE-2025-39819: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: fs/smb: Fix inconsistent refcnt update A possible inconsistent update of refcount was identified in smb2compoundop. Such inconsistent update could lead to possible resource leaks. Why it is a possible bug: 1. In the comment secti...

SUSE CVE-2022-50334

In the Linux kernel, the following vulnerability has been resolved: hugetlbfs: fix null-ptr-deref in hugetlbfsparseparam Syzkaller reports a null-ptr-deref bug as follows: ====================================================== KASAN: null-ptr-deref in range 0x0000000000000000-0x0000000000000007...

UBUNTU-CVE-2022-50284

In the Linux kernel, the following vulnerability has been resolved: ipc: fix memory leak in initmqueuefs When setupmqsysctls failed in initmqueuefs, mqueueinodecachep is not released. In order to fix this issue, the release path is reordered...

UBUNTU-CVE-2022-50334

In the Linux kernel, the following vulnerability has been resolved: hugetlbfs: fix null-ptr-deref in hugetlbfsparseparam Syzkaller reports a null-ptr-deref bug as follows: ====================================================== KASAN: null-ptr-deref in range 0x0000000000000000-0x0000000000000007...

CVE-2022-50334 hugetlbfs: fix null-ptr-deref in hugetlbfs_parse_param()

In the Linux kernel, the following vulnerability has been resolved: hugetlbfs: fix null-ptr-deref in hugetlbfsparseparam Syzkaller reports a null-ptr-deref bug as follows: ====================================================== KASAN: null-ptr-deref in range 0x0000000000000000-0x0000000000000007...

CVE-2022-50284

CVE-2022-50284 affects the Linux kernel (init_mqueue_fs). If setup_mq_sysctls() fails, the mqueue_inode_cachep was not released, causing a memory leak. The issue was fixed by reordering the release path in init_mqueue_fs; upstream kernel patches exist to address this, with no explicit exploit det...

CVE-2022-50284 ipc: fix memory leak in init_mqueue_fs()

In the Linux kernel, the following vulnerability has been resolved: ipc: fix memory leak in initmqueuefs When setupmqsysctls failed in initmqueuefs, mqueueinodecachep is not released. In order to fix this issue, the release path is reordered...

CVE-2023-53247: Reachable Assertion

In the Linux kernel, the following vulnerability has been resolved: btrfs: setpageextentmapped after readfolio in btrfscontexpand While trying to get the subpage blocksize tests running, I hit the following panic on generic/476 assertion failed: PagePrivatepage && page-private, in...

CVE-2023-53214: Out-of-bounds Write

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid potential memory corruption in updateiostatlatency Add iotype sanity check to avoid potential memory corruption. This is to fix the compile error below: fs/f2fs/iostat.c:231 updateiostatlatency error: buffer...

CVE-2023-53194: Use After Free

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Add length check in indxgetroot This adds a length check to guarantee the retrieved index root is legit. 162.459513 BUG: KASAN: use-after-free in hdrfinde.isra.0+0x10c/0x320 162.460176 Read of size 2 at addr...

CVE-2023-53187: Use After Free

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix use-after-free of new block group that became unused If a task creates a new block group and that block group becomes unused before we finish its creation, at btrfscreatependingblockgroups, then when btrfsmarkbgunused ...

CVE-2023-53163: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: don't hold nilock when calling truncatesetsize syzbot is reporting hung task at douseraddrfault 1, for there is a silent deadlock between PGlocked bit and nilock lock. Since filemapupdatepage calls filemapreadfolio afte...

CVE-2023-53149: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid deadlock in fs reclaim with page writeback Ext4 has a filesystem wide lock protecting ext4writepages calls to avoid races with switching of journalled data flag or inode format. This lock can however cause a deadlock...