CVE-2024-40972

In the Linux kernel, the following vulnerability has been resolved: ext4: do not create EA inode under buffer lock ext4xattrsetentry creates new EA inodes while holding buffer lock on the external xattr block. This is problematic as it nests all the allocation locking which acquires locks on othe...

CVE-2024-40962

CVE-2024-40962 affects the Linux kernel btrfs zoning code. The issue is a NULL pointer dereference in btrfs_zone_finish_endio() when handling zoned NODATASUM writes under zoned emulation for conventional zones. The fix, as described in the disclosure, is to allocate dummy checksums for zoned NODA...

CVE-2024-40962 btrfs: zoned: allocate dummy checksums for zoned NODATASUM writes

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: allocate dummy checksums for zoned NODATASUM writes Shin'ichiro reported that when he's running fstests' test-case btrfs/167 on emulated zoned devices, he's seeing the following NULL pointer dereference in...

Linux kernel security vulnerabilities

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 potential deadlock issue in the ext4 file system when creating an EA inode...

kernel: Squashfs: check the inode number is not the invalid value of zero

A flaw was found in the squashfs module in the Linux kernel. A missing check of an inode number with an invalid value of zero can cause an out-of-bounds read and result in a denial of service...

kernel: Squashfs: check the inode number is not the invalid value of zero

A flaw was found in the squashfs module in the Linux kernel. A missing check of an inode number with an invalid value of zero can cause an out-of-bounds read and result in a denial of service...

SUSE CVE-2024-39463

In the Linux kernel, the following vulnerability has been resolved: 9p: add missing locking around taking dentry fid list Fix a use-after-free on dentry's dfsdata fid list when a thread looks up a fid through dentry while another thread unlinks it: UAF thread: refcountt: addition on 0;...

SUSE CVE-2024-39467

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on ixattrnid in sanitycheckinode syzbot reports a kernel bug as below: F2FS-fs loop0: Mounted with checkpoint version = 48b305e4 ================================================================== BUG:...

CVE-2024-39463

In the Linux kernel, the following vulnerability has been resolved: 9p: add missing locking around taking dentry fid list Fix a use-after-free on dentry's dfsdata fid list when a thread looks up a fid through dentry while another thread unlinks it: UAF thread: refcountt: addition on 0;...

UBUNTU-CVE-2024-39467

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on ixattrnid in sanitycheckinode syzbot reports a kernel bug as below: F2FS-fs loop0: Mounted with checkpoint version = 48b305e4 ================================================================== BUG:...

CVE-2024-39467

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on ixattrnid in sanitycheckinode syzbot reports a kernel bug as below: F2FS-fs loop0: Mounted with checkpoint version = 48b305e4 ================================================================== BUG:...

CVE-2024-33847

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: don't allow unaligned truncation on released compress inode f2fs image may be corrupted after below testcase: - mkfs.f2fs -O extraattr,compression -f /dev/vdb - mount /dev/vdb /mnt/f2fs - touch /mnt/f2fs/file -...

Linux kernel security vulnerabilities

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 sanitycheckinode function not performing a sanity check on ixattrnid...

SUSE CVE-2024-33847

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: don't allow unaligned truncation on released compress inode f2fs image may be corrupted after below testcase: - mkfs.f2fs -O extraattr,compression -f /dev/vdb - mount /dev/vdb /mnt/f2fs - touch /mnt/f2fs/file -...

CVE-2024-33847

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: don't allow unaligned truncation on released compress inode f2fs image may be corrupted after below testcase: - mkfs.f2fs -O extraattr,compression -f /dev/vdb - mount /dev/vdb /mnt/f2fs - touch /mnt/f2fs/file -...

DEBIAN-CVE-2024-34027

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix to cover reserve,releasecompressblocks w/ cprwsem lock It needs to cover reserve,releasecompressblocks w/ cprwsem lock to avoid racing with checkpoint, otherwise, filesystem metadata including blkaddr in dnode...

CVE-2024-33847

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: don't allow unaligned truncation on released compress inode f2fs image may be corrupted after below testcase: - mkfs.f2fs -O extraattr,compression -f /dev/vdb - mount /dev/vdb /mnt/f2fs - touch /mnt/f2fs/file -...

CVE-2024-34027 f2fs: compress: fix to cover {reserve,release}_compress_blocks() w/ cp_rwsem lock

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix to cover reserve,releasecompressblocks w/ cprwsem lock It needs to cover reserve,releasecompressblocks w/ cprwsem lock to avoid racing with checkpoint, otherwise, filesystem metadata including blkaddr in dnode...

CVE-2024-33847 f2fs: compress: don't allow unaligned truncation on released compress inode

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: don't allow unaligned truncation on released compress inode f2fs image may be corrupted after below testcase: - mkfs.f2fs -O extraattr,compression -f /dev/vdb - mount /dev/vdb /mnt/f2fs - touch /mnt/f2fs/file -...

CVE-2024-33847

The CVE-2024-33847 issue concerns the Linux kernel F2FS file system where compressed inodes could be corrupted after unaligned or partial truncation. The vulnerability arises when a released compress inode with reserved blocks undergoes truncation that changes valid_block_count without updating i...