CVE-2025-38218

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on sitbitmapsize w/ below testcase, resize will generate a corrupted image which contains inconsistent metadata, so when mounting such image, it will trigger kernel panic: touch img truncate -s...

CVE-2025-38219 f2fs: prevent kernel warning due to negative i_nlink from corrupted image

In the Linux kernel, the following vulnerability has been resolved: f2fs: prevent kernel warning due to negative inlink from corrupted image WARNING: CPU: 1 PID: 9426 at fs/inode.c:417 dropnlink+0xac/0xd0 home/cc/linux/fs/inode.c:417 Modules linked in: CPU: 1 UID: 0 PID: 9426 Comm: syz-executor56...

CVE-2025-38218 f2fs: fix to do sanity check on sit_bitmap_size

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on sitbitmapsize w/ below testcase, resize will generate a corrupted image which contains inconsistent metadata, so when mounting such image, it will trigger kernel panic: touch img truncate -s...

PT-2025-27994

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to the fixed version Description: A vulnerability in the Linux kernel has been resolved, which prevented a kernel warning due to a negative i nlink from a corrupted image. The issue was related to the f2fs file...

The vulnerability in the fs/f2fs/file.c component of the Linux operating system’s kernel allows a hacker to cause a service failure.

The vulnerability in the fs/f2fs/file.c component of the Linux operating system is related to the simultaneous execution using shared resources with incorrect synchronization. Exploiting this vulnerability can allow an attacker to cause a service failure...

CVE-2025-38164

In the Linux kernel, the following vulnerability has been resolved: f2fs: zone: fix to avoid inconsistence in between SIT and SSA w/ below testcase, it will cause inconsistence in between SIT and SSA. createnullblk 512 2 1024 1024 mkfs.f2fs -m /dev/nullb0 mount /dev/nullb0 /mnt/f2fs/ touch...

CVE-2025-38163

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on sbi-totalvalidblockcount syzbot reported a f2fs bug as below: ------------ cut here ------------ kernel BUG at fs/f2fs/f2fs.h:2521! RIP: 0010:decvalidblockcount+0x3b2/0x3c0 fs/f2fs/f2fs.h:2521 Call...

DEBIAN-CVE-2025-38164

In the Linux kernel, the following vulnerability has been resolved: f2fs: zone: fix to avoid inconsistence in between SIT and SSA w/ below testcase, it will cause inconsistence in between SIT and SSA. createnullblk 512 2 1024 1024 mkfs.f2fs -m /dev/nullb0 mount /dev/nullb0 /mnt/f2fs/ touch...

DEBIAN-CVE-2025-38163

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on sbi-totalvalidblockcount syzbot reported a f2fs bug as below: ------------ cut here ------------ kernel BUG at fs/f2fs/f2fs.h:2521! RIP: 0010:decvalidblockcount+0x3b2/0x3c0 fs/f2fs/f2fs.h:2521 Call...

AZL-64574 CVE-2025-38163 affecting package kernel for versions less than 6.6.96.1-1

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on sbi-totalvalidblockcount syzbot reported a f2fs bug as below: ------------ cut here ------------ kernel BUG at fs/f2fs/f2fs.h:2521! RIP: 0010:decvalidblockcount+0x3b2/0x3c0 fs/f2fs/f2fs.h:2521 Call...

UBUNTU-CVE-2025-38163

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on sbi-totalvalidblockcount syzbot reported a f2fs bug as below: ------------ cut here ------------ kernel BUG at fs/f2fs/f2fs.h:2521! RIP: 0010:decvalidblockcount+0x3b2/0x3c0 fs/f2fs/f2fs.h:2521 Call...

CVE-2025-38164 f2fs: zone: fix to avoid inconsistence in between SIT and SSA

In the Linux kernel, the following vulnerability has been resolved: f2fs: zone: fix to avoid inconsistence in between SIT and SSA w/ below testcase, it will cause inconsistence in between SIT and SSA. createnullblk 512 2 1024 1024 mkfs.f2fs -m /dev/nullb0 mount /dev/nullb0 /mnt/f2fs/ touch...

CVE-2025-38164

CVE-2025-38164 concerns the Linux kernel F2FS file system. A patch fixes an inconsistency between SIT and SSA during garbage collection by skipping block migration for opened sections in f2fs_gc_range(), preventing a potential crash (Observed as in test scenarios where a filesystem stopped with ‘...

CVE-2025-38164

In the Linux kernel, the following vulnerability has been resolved: f2fs: zone: fix to avoid inconsistence in between SIT and SSA w/ below testcase, it will cause inconsistence in between SIT and SSA. createnullblk 512 2 1024 1024 mkfs.f2fs -m /dev/nullb0 mount /dev/nullb0 /mnt/f2fs/ touch...

CVE-2025-38164 f2fs: zone: fix to avoid inconsistence in between SIT and SSA

In the Linux kernel, the following vulnerability has been resolved: f2fs: zone: fix to avoid inconsistence in between SIT and SSA w/ below testcase, it will cause inconsistence in between SIT and SSA. createnullblk 512 2 1024 1024 mkfs.f2fs -m /dev/nullb0 mount /dev/nullb0 /mnt/f2fs/ touch...

CVE-2025-38163 f2fs: fix to do sanity check on sbi->total_valid_block_count

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on sbi-totalvalidblockcount syzbot reported a f2fs bug as below: ------------ cut here ------------ kernel BUG at fs/f2fs/f2fs.h:2521! RIP: 0010:decvalidblockcount+0x3b2/0x3c0 fs/f2fs/f2fs.h:2521 Call...

CVE-2025-38163

CVE-2025-38163: A fault in the Linux kernel’s F2FS truncation path caused a kernel BUG due to an inconsistent sbi->total_valid_block_count versus mapped blocks, potentially leading to a crash/denial of service. The issue is in f2fs: with sbi->total_valid_block_count not matching inode-index...

CVE-2025-38163

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on sbi-totalvalidblockcount syzbot reported a f2fs bug as below: ------------ cut here ------------ kernel BUG at fs/f2fs/f2fs.h:2521! RIP: 0010:decvalidblockcount+0x3b2/0x3c0 fs/f2fs/f2fs.h:2521 Call...

CVE-2025-38163 f2fs: fix to do sanity check on sbi->total_valid_block_count

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on sbi-totalvalidblockcount syzbot reported a f2fs bug as below: ------------ cut here ------------ kernel BUG at fs/f2fs/f2fs.h:2521! RIP: 0010:decvalidblockcount+0x3b2/0x3c0 fs/f2fs/f2fs.h:2521 Call...

PT-2025-33777

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The Linux kernel contained a flaw within the f2fs file system related to uninitialized values in the extent info structure. Specifically, the get read extent info function only...