CVE-2023-53457

In the Linux kernel, the following vulnerability has been resolved: FS: JFS: Fix null-ptr-deref Read in txBegin Syzkaller reported an issue where txBegin may be called on a superblock in a read-only mounted filesystem which leads to NULL pointer deref. This could be solved by checking if the...

UBUNTU-CVE-2022-50465

In the Linux kernel, the following vulnerability has been resolved: ext4: fix leaking uninitialized memory in fast-commit journal When space at the end of fast-commit journal blocks is unused, make sure to zero it out so that uninitialized memory is not leaked to disk...

UBUNTU-CVE-2023-53486

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Enhance the attribute size check This combines the overflow and boundary check so that all attribute size will be properly examined while enumerating them. 169.181521 BUG: KASAN: slab-out-of-bounds in...

CVE-2023-53511 io_uring: fix fget leak when fs don't support nowait buffered read

In the Linux kernel, the following vulnerability has been resolved: iouring: fix fget leak when fs don't support nowait buffered read Heming reported a BUG when using iouring doing link-cp on ocfs2. 1 Do the following steps can reproduce this BUG: mount -t ocfs2 /dev/vdc /mnt/ocfs2 cp testfile...

CVE-2022-50465 ext4: fix leaking uninitialized memory in fast-commit journal

In the Linux kernel, the following vulnerability has been resolved: ext4: fix leaking uninitialized memory in fast-commit journal When space at the end of fast-commit journal blocks is unused, make sure to zero it out so that uninitialized memory is not leaked to disk...

CVE-2022-50460

The CVE-2022-50460 issue is in the Linux kernel CIFS logic: an xid leak in cifs_flock() when flock is used can leak xid on early return (-ENOLCK). Multiple connected advisories (Astra Linux, Unity Linux, EulerOS, SUSE) cite the same description and confirm a fix in the kernel. The vulnerability i...

CVE-2022-50456 btrfs: fix resolving backrefs for inline extent followed by prealloc

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix resolving backrefs for inline extent followed by prealloc If a file consists of an inline extent followed by a regular or prealloc extent, then a legitimate attempt to resolve a logical address in the non-inline region...

CVE-2022-50455

CVE-2022-50455 entry is rejected/not used per the Initial Description.

CVE-2022-50451 fs/ntfs3: Fix memory leak on ntfs_fill_super() error path

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fix memory leak on ntfsfillsuper error path syzbot reported kmemleak as below: BUG: memory leak unreferenced object 0xffff8880122f1540 size 32: comm "a.out", pid 6664, jiffies 4294939771 age 25.500s hex dump first 32...

CVE-2023-53486

CVE-2023-53486 affects the Linux kernel ntfs3 implementation. The fixed issue is a combined overflow/boundary check in attribute size validation during NTFS attribute enumeration, which could lead to slab-out-of-bounds access (KASAN) when mounting or reading NTFS volumes. The description and conn...

CVE-2023-53485 fs: jfs: Fix UBSAN: array-index-out-of-bounds in dbAllocDmapLev

In the Linux kernel, the following vulnerability has been resolved: fs: jfs: Fix UBSAN: array-index-out-of-bounds in dbAllocDmapLev Syzkaller reported the following issue: UBSAN: array-index-out-of-bounds in fs/jfs/jfsdmap.c:1965:6 index -84 is out of range for type 's8341' aka 'signed char341'...

CVE-2023-53457 FS: JFS: Fix null-ptr-deref Read in txBegin

In the Linux kernel, the following vulnerability has been resolved: FS: JFS: Fix null-ptr-deref Read in txBegin Syzkaller reported an issue where txBegin may be called on a superblock in a read-only mounted filesystem which leads to NULL pointer deref. This could be solved by checking if the...

CVE-2023-53457

CVE-2023-53457 : In Linux kernel, JFS txBegin can NULL-deref when called on a read-only superblock; fix adds a read-only filesystem check before txBegin and returns an appropriate error code. Exploitation status and exact patch details beyond this description are not provided in the supplied docu...

CVE-2022-50442 fs/ntfs3: Validate buffer length while parsing index

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Validate buffer length while parsing index indxread is called when we have some NTFS directory operations that need more information from the index buffers. This adds a sanity check to make sure the returned index buffe...

USN-7775-3 linux-azure-5.15 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Serial ATA and Parallel ATA...

CVE-2025-39927

CVE-2025-39927 relates to Ceph in the Linux kernel where a race condition could cause r_parent to reference the wrong directory when processing MDS replies. The fix adds validation to ensure the cached parent inode matches the MDS-provided directory info before applying state changes, preventing ...

CVE-2025-39924 erofs: fix invalid algorithm for encoded extents

In the Linux kernel, the following vulnerability has been resolved: erofs: fix invalid algorithm for encoded extents The current algorithm sanity checks do not properly apply to new encoded extents. Unify the algorithm check with ZEROFSCOMPRESSIONRUNTIMEMAX and ensure consistency with...

PT-2025-40127

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.0.0-rc6 Description The Linux kernel contains a flaw in the NTFS3 implementation related to buffer length validation during index parsing. Specifically, the indx read function lacks proper bounds checking when...

PT-2025-40210

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw within the ext4 filesystem implementation. Specifically, the ext4 get group info function previously triggered a kernel BUG when encountering an invalid...

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 a failure to check for jh-btransaction i.e. remove from checkpoint, which could lead to file system corrupti...