CVE-2025-37785

The CVE-2025-37785 issue affects the Linux kernel ext4 filesystem. A corrupted directory containing a '.' entry with rec_len equal to a full block could cause an out-of-bounds read when ext4_empty_dir() loads the '.' entry and derives '..' location, due to incorrect handling of directory entries ...

CVE-2025-37785 ext4: fix OOB read when checking dotdot dir

In the Linux kernel, the following vulnerability has been resolved: ext4: fix OOB read when checking dotdot dir Mounting a corrupted filesystem with directory which contains '.' dir entry with reclen == block size results in out-of-bounds read later on, when the corrupted directory is removed...

CVE-2025-37785: Out-of-bounds Read

In the Linux kernel, the following vulnerability has been resolved: ext4: fix OOB read when checking dotdot dir Mounting a corrupted filesystem with directory which contains '.' dir entry with reclen == block size results in out-of-bounds read later on, when the corrupted directory is removed...

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 ext4emptydir function that can lead to out-of-bounds reads when checking the dotdot directory...

Linux file system support module Heap Buffer Overflow DoS

The vulnerability of the kmmpd function in the fs/ext4/mmp.c module of the Linux file system support module is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to cause a service failure...

DEBIAN-CVE-2025-22120

In the Linux kernel, the following vulnerability has been resolved: ext4: goto right label 'outmmapsem' in ext4setattr Otherwise, if ext4inodeattachjinode fails, a hung task will happen because filemapinvalidateunlock isn't called to unlock mapping-invalidatelock. Like this: EXT4-fs error device...

CVE-2025-22121

In the Linux kernel, the following vulnerability has been resolved: ext4: fix out-of-bound read in ext4xattrinodedecrefall There's issue as follows: BUG: KASAN: use-after-free in ext4xattrinodedecrefall+0x6ff/0x790 Read of size 4 at addr ffff88807b003000 by task syz-executor.0/15172 CPU: 3 PID:...

AZL-62660 CVE-2025-22121 affecting package kernel for versions less than 6.6.121.1-1

In the Linux kernel, the following vulnerability has been resolved: ext4: fix out-of-bound read in ext4xattrinodedecrefall There's issue as follows: BUG: KASAN: use-after-free in ext4xattrinodedecrefall+0x6ff/0x790 Read of size 4 at addr ffff88807b003000 by task syz-executor.0/15172 CPU: 3 PID:...

CVE-2025-22120

In the Linux kernel, the following vulnerability has been resolved: ext4: goto right label 'outmmapsem' in ext4setattr Otherwise, if ext4inodeattachjinode fails, a hung task will happen because filemapinvalidateunlock isn't called to unlock mapping-invalidatelock. Like this: EXT4-fs error device...

AZL-69608 CVE-2025-22121 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: ext4: fix out-of-bound read in ext4xattrinodedecrefall There's issue as follows: BUG: KASAN: use-after-free in ext4xattrinodedecrefall+0x6ff/0x790 Read of size 4 at addr ffff88807b003000 by task syz-executor.0/15172 CPU: 3 PID:...

CVE-2025-22121

In the Linux kernel, the following vulnerability has been resolved: ext4: fix out-of-bound read in ext4xattrinodedecrefall There's issue as follows: BUG: KASAN: use-after-free in ext4xattrinodedecrefall+0x6ff/0x790 Read of size 4 at addr ffff88807b003000 by task syz-executor.0/15172 CPU: 3 PID:...

AZL-69605 CVE-2025-22113 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid journaling sb update on error if journal is destroying Presently we always BUGON if trying to start a transaction on a journal marked with JBD2UNMOUNT, since this should never happen. However, while ltp running stress...

DEBIAN-CVE-2025-22113

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid journaling sb update on error if journal is destroying Presently we always BUGON if trying to start a transaction on a journal marked with JBD2UNMOUNT, since this should never happen. However, while ltp running stress...

CVE-2025-22113

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid journaling sb update on error if journal is destroying Presently we always BUGON if trying to start a transaction on a journal marked with JBD2UNMOUNT, since this should never happen. However, while ltp running stress...

AZL-62538 CVE-2025-22113 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid journaling sb update on error if journal is destroying Presently we always BUGON if trying to start a transaction on a journal marked with JBD2UNMOUNT, since this should never happen. However, while ltp running stress...

UBUNTU-CVE-2025-22120

In the Linux kernel, the following vulnerability has been resolved: ext4: goto right label 'outmmapsem' in ext4setattr Otherwise, if ext4inodeattachjinode fails, a hung task will happen because filemapinvalidateunlock isn't called to unlock mapping-invalidatelock. Like this: EXT4-fs error device...

CVE-2025-22121 ext4: fix out-of-bound read in ext4_xattr_inode_dec_ref_all()

In the Linux kernel, the following vulnerability has been resolved: ext4: fix out-of-bound read in ext4xattrinodedecrefall There's issue as follows: BUG: KASAN: use-after-free in ext4xattrinodedecrefall+0x6ff/0x790 Read of size 4 at addr ffff88807b003000 by task syz-executor.0/15172 CPU: 3 PID:...

CVE-2025-22120 ext4: goto right label 'out_mmap_sem' in ext4_setattr()

In the Linux kernel, the following vulnerability has been resolved: ext4: goto right label 'outmmapsem' in ext4setattr Otherwise, if ext4inodeattachjinode fails, a hung task will happen because filemapinvalidateunlock isn't called to unlock mapping-invalidatelock. Like this: EXT4-fs error device...

CVE-2025-22121 ext4: fix out-of-bound read in ext4_xattr_inode_dec_ref_all()

In the Linux kernel, the following vulnerability has been resolved: ext4: fix out-of-bound read in ext4xattrinodedecrefall There's issue as follows: BUG: KASAN: use-after-free in ext4xattrinodedecrefall+0x6ff/0x790 Read of size 4 at addr ffff88807b003000 by task syz-executor.0/15172 CPU: 3 PID:...

CVE-2025-22121

CVE-2025-22121 – Linux kernel ext4 xattr check bypass (out-of-bounds read) What’s affected: Linux kernel ext4 filesystem code, specifically ext4_xattr_inode_dec_ref_all() and related xattr handling paths that can read beyond allocated buffers when inodes contain xattrs. What’s the issue: A read o...