Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: ftrace: Fix invalid address access in lookuprec when index is 0 CVE-2023-53075 In the Linux kernel, the following vulnerability has been resolved: ext4: fix task hung in ext4xattrdeleteinode CVE-2023-53089 In the...

kernel: ext4: fix corruption during on-line resize

A vulnerability was found in the ext4 filesystem in the Linux kernel during on-line resizing operations. When an ext4 filesystem is resized while mounted, it could lead to data corruption...

DEBIAN-CVE-2025-38220

In the Linux kernel, the following vulnerability has been resolved: ext4: only dirty folios when data journaling regular files fstest generic/388 occasionally reproduces a crash that looks as follows: BUG: kernel NULL pointer dereference, address: 0000000000000000 ... Call Trace:...

UBUNTU-CVE-2025-38220

In the Linux kernel, the following vulnerability has been resolved: ext4: only dirty folios when data journaling regular files fstest generic/388 occasionally reproduces a crash that looks as follows: BUG: kernel NULL pointer dereference, address: 0000000000000000 ... Call Trace:...

UBUNTU-CVE-2025-38221

In the Linux kernel, the following vulnerability has been resolved: ext4: fix out of bounds punch offset Punching a hole with a start offset that exceeds maxend is not permitted and will result in a negative length in the truncateinodepartialfolio function while truncating the page cache,...

The vulnerability of the ext4 kernel component in the Linux operating system, which allows a hacker to cause a service failure

The vulnerability of the ext4 kernel component in the Linux operating system is related to insufficient memory allocation for operations. Exploiting this vulnerability can allow an attacker to cause a service failure...

UBUNTU-CVE-2025-23150

In the Linux kernel, the following vulnerability has been resolved: ext4: fix off-by-one error in dosplit Syzkaller detected a use-after-free issue in ext4insertdentry that was caused by out-of-bounds access due to incorrect splitting in dosplit. BUG: KASAN: use-after-free in...

Vulnerability of the functions get_ext_path(), ext4_find_extent(), and ext4_split_extent_at() in the Linux operating system’s kernel, allowing a hacker to cause a service failure

The vulnerability of the functions getextpath, ext4findextent, and ext4splitextentat in the Linux operating system is related to the lack of memory release after the effective lifespan of these functions has ended. Exploiting this vulnerability could allow an attacker to cause a service failure...

SUSE CVE-2022-49174

In the Linux kernel, the following vulnerability has been resolved: ext4: fix ext4mbmarkbb with flexbg with fastcommit In case of flexbg feature which is by default enabled, extents for any given inode might span across blocks from two different block group. ext4mbmarkbb only reads the bufferhead...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ext4: Make sure the first directory block is not a hole. The syzbot constructs a directory that has no dirblock, but it is not inline; in other words, the first directory block is a hole. No errors are reported when creating file...

Important: kernel-livepatch-6.1.112-124.190

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: gpiolib: cdev: Fix use after free in lineinfochangednotify CVE-2024-36899 In the Linux kernel, the following vulnerability has been resolved: ext4: avoid OOB when system.data xattr changes underneath the filesyste...

SUSE-SU-2025:20073-1 Security update for the Linux Kernel

The SUSE Linux Enterprise Micro 6.0 kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2023-52610: net/sched: actct: fix skb leak and crash on ooo frags bsc1221610. - CVE-2023-52752: smb: client: fix use-after-free bug in cifsdebugdataprocshow...

AZL-55322 CVE-2024-56780 affecting package kernel for versions less than 6.6.64.2-1

In the Linux kernel, the following vulnerability has been resolved: quota: flush quotareleasework upon quota writeback One of the paths quota writeback is called from is: freezesuper syncfilesystem ext4syncfs dquotwritebackdquots Since we currently don't always flush the quotareleasework queue in...

The vulnerability of the ext4 kernel component in the Linux operating system, which allows a hacker to cause a service failure

The vulnerability of the ext4 kernel component in the Linux operating system is related to improper error handling. Exploiting this vulnerability can allow an attacker to cause a service failure...

The vulnerability of the ext4_dio_write_iter() function in the ext4 component of Linux operating system kernels allows a hacker to cause a service failure.

The vulnerability of the ext4diowriteiter function in the ext4 component of Linux operating systems is related to improper locking of resources. Exploiting this vulnerability can allow an attacker to cause a service failure...

kernel: ext4: avoid allocating blocks from corrupted group in ext4_mb_find_by_goal()

A vulnerability was found in the ext4mbfindbygoal function in the Linux kernel. This issue could lead to memory corruption or crashes due to the allocation of blocks from a group with a corrupted block bitmap...

The vulnerability of the ext4_ext_replay_update_ex() function in the ext4 file system of the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the ext4extreplayupdateex function in the fs/ext4/extents.c file of the Linux kernel’s file system ext4 is related to the re-release of previously released memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and...

kernel: ext4: fix uninitialized ratelimit_state->lock access in __ext4_fill_super()

A vulnerability was found in the Linux kernel's ext4 filesystem within the ext4fillsuper function, where uninitialized access to ratelimitstate-lock can occur, where the sysfs interface is registered before properly initializing rs-lock, potentially allowing other processes to modify rs-interval ...

AZL-51750 CVE-2024-50014 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: ext4: fix access to uninitialised lock in fc replay path The following kernel trace can be triggered with fstest generic/629 when executed against a filesystem with fast-commit feature enabled: INFO: trying to register non-static...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP6 Azure kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2023-52610: net/sched: actct: fix skb leak and crash on ooo frags bsc1221610. CVE-2023-52752: smb: client: fix use-after-free bug in cifsdebugdataprocshow...