CVE-2025-40179

CVE-2025-40179 concerns the Linux kernel’s ext4 filesystem. The issue arises from how orphan files are replayed: an orphan file can be arbitrarily large, and replay requires traversing it and pinning its buffers in memory, which can lead to excessive memory consumption on filesystems with very la...

kernel: ext4: only dirty folios when data journaling regular files

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:...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-988673)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-988673 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: fix warning in 'ext4dareleasespace' Syzkaller report issue as follows: EXT4-fs loop0:...

CLSA-2025-1762244848 kernel: Fix of 5 CVEs

ext4: fix possible UAF when remounting r/o a mmp-protected file system CVE-2021-47342 - ext4: fix memory leak in ext4fillsuper - net: defer final 'struct net' free in netns dismantle CVE-2024-56658 - net/sched: schqfq: Fix race condition on qfqaggregate CVE-2025-38477 - ALSA: usb-audio: Fix an...

The vulnerability of the memset() function in the U-Boot loader allows a hacker to gain access to confidential data, compromise its integrity, and cause a service failure.

The vulnerability of the memset function in the U-Boot loader is related to writing beyond the buffer boundaries. Exploiting this vulnerability allows a remote attacker to access confidential data, compromise its integrity, and cause service failures through a specially created ext4 file...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2022-49138: Bluetooth: hcievent: Fix checking conn for leconncompleteevt bsc1238160. CVE-2022-50233: Bluetooth: eir: Fix using strlen with hdev-devname,shortnam...

CVE-2023-53692

In the Linux kernel, the following vulnerability has been resolved: ext4: fix use-after-free read in ext4findextent for bigalloc + inline Syzbot found the following issue: loop0: detected capacity change from 0 to 2048 EXT4-fs loop0: mounted filesystem 00000000-0000-0000-0000-000000000000 without...

USN-7819-1 linux-azure, linux-azure-5.4 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: - Network drivers; - Device tree and open firmware driver; - SCSI subsystem; - TTY drivers; - Ext4 file system; -...

Linux Distros Unpatched Vulnerability : CVE-2022-50428

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ext4: fix off-by-one errors in fast-commit block filling Due to several different off-by-one errors, or perhaps due to a late change in design that wasn't fully...

CVE-2023-53662 ext4: fix memory leaks in ext4_fname_{setup_filename,prepare_lookup}

In the Linux kernel, the following vulnerability has been resolved: ext4: fix memory leaks in ext4fnamesetupfilename,preparelookup If the filename casefolding fails, we'll be leaking memory from the fscryptname struct, namely from the 'cryptobuf.name' member. Make sure we free it in the error pat...

CVE-2022-50465

The CVE-2022-50465 issue is a Linux kernel ext4 fast-commit journal memory-leak: when the end of fast-commit journal blocks is unfinished, the unused tail space could leak uninitialized memory to disk. The published description states the fix is to zero out that unused space to prevent leakage. T...

CVE-2022-50428

CVE-2022-50428 affects the Linux kernel ext4 fast-commit journaling, caused by multiple off-by-one errors in filling tlv blocks. The issues constrain where tlvs start and end within a block, risking replay problems and memory leakage in last-byte handling. The fixed patch corrects block-filling o...

PT-2025-40150

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel's ext4 filesystem related to the fast-commit journal. Specifically, uninitialized memory could be leaked to disk when space at the end of fast-commit...

kernel: ext4: use-after-free in ext4_xattr_set_entry()

A use-after-free vulnerability was found in the Linux kernel's ext4 filesystem in the way it handled the extra inode size for extended attributes. This flaw allows a privileged local user to cause a system crash or other undefined behaviors...

ext4: do not BUG when INLINE_DATA_FL lacks system.data xattr

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Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability...

kernel: ext4: fix off-by-one error in do_split

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...

EulerOS 2.0 SP13 : kernel (EulerOS-SA-2025-1993)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : RDMA/core: Silence oversized kvmalloc warningCVE-2025-37867 igb: revert rtnllock that causes deadlockCVE-2023-53060 bnxten: Avoid order-5 memory...

Linux Distros Unpatched Vulnerability : CVE-2025-37738

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ext4: ignore xattrs past end Once inside 'ext4xattrinodedecrefall' we should ignore xattrs entries past the 'end' entry. This fixes the following KASAN reported...

USN-7684-3 linux-aws, linux-lts-xenial 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: - SCSI subsystem; - TTY drivers; - Ext4 file system; - Bluetooth subsystem; - USB sound devices; CVE-2024-49950,...