CVE-2026-74307

The CVE-2026-74307 entry describes a Linux kernel/ext4 vulnerability in EXT4_IOC_MOVE_EXT where donor file superblock validation is done late (inside mext_check_validity after acquiring inode locks), creating a deadlock with sb_writers during cross-filesystem donor use (e.g., overlayfs). The issu...

Linux Distros Unpatched Vulnerability : CVE-2026-74308

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ext4: fix kernel BUG in ext4writeinlinedataend When the data=journal mount option is used, the ext4journalledwriteend function incorrectly calls...

Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP5 kernel was updated to fix various security issues: The following security issues were fixed: CVE-2026-31450: ext4: publish jinode after initialization bsc1262618. CVE-2026-31510: Bluetooth: L2CAP: Fix null-ptr-deref on l2capsockreadycb bsc1262603. CVE-2026-31624:...

EulerOS 2.0 SP15 : kernel (EulerOS-SA-2026-2889)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : mm: blk-cgroup: fix use-after-free in cgwbreleaseworkfnCVE-2026-31586 e1000/e1000e: Fix leak in DMA error cleanupCVE-2026-43445 futex: Clear stale...

EulerOS 2.0 SP13 : kernel (EulerOS-SA-2026-2971)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : USB: core: Limit the length of unkillable synchronous timeoutsCVE-2026-43428 usb: typec: ucsi: validate connector number in...

EulerOS Virtualization 2.12.1 (EulerOS-SA-2026-2730)

According to the versions of the packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : Input: alps - fix use-after-free bugs caused by dev3registerworkCVE-2025-68822 ext4: reject mount if bigalloc with sfirstdatablock !=...

USN-8508-1: Linux kernel (NVIDIA) 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: - ARM64 architecture; - S390 architecture; - Block layer subsystem; - Cryptographic API; - DMA engine subsystem; - GP...

The vulnerability of the ext4_xattr inode_create() function in the fs/ext4/xattr.c module of the Ext4 file system in the Linux operating system allows a attacker to cause a service failure.

The vulnerability of the ext4xattr inodecreate function in the fs/ext4/xattr.c module of the Ext4 file system in the Linux operating system is related to the failure to release resources after their useful lifespan has ended. Exploiting this vulnerability could allow an attacker to cause service...

CVE-2026-53129

In the Linux kernel, the following vulnerability has been resolved: fs/mbcache: cancel shrink work before destroying the cache mbcachedestroy calls shrinkerfree and then frees all cache entries and the cache itself, but it does not cancel the pending cshrinkwork work item first. If...

Siemens RuggedCom Rox Integer Overflow or Wraparound (CVE-2024-57256)

An integer overflow in ext4fsreadsymlink in Das U-Boot before 2025.01-rc1 occurs for zalloc adding one to an le32 variable via a crafted ext4 filesystem with an inode size of 0xffffffff, resulting in a malloc of zero and resultant memory overwrite. This plugin only works with Tenable.ot. Please...

Siemens RuggedCom Rox Integer Underflow (Wrap or Wraparound) (CVE-2019-13104)

In Das U-Boot versions 2016.11-rc1 through 2019.07-rc4, an underflow can cause memcpy to overwrite a very large amount of data including the whole stack while reading a crafted ext4 filesystem. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for mo...

CVE-2025-70101: Out-of-bounds Read

An out-of-bounds read in the ext4extbinsearchidx function in src/ext4extent.c of the lwext4 1.0.0 library allows attackers to cause a denial of service by supplying a specially crafted ext4 filesystem image. The vulnerability occurs due to insufficient validation of extent header fields before...

CVE-2025-70100: Divide By Zero

A divide-by-zero vulnerability in the ext4blocksetlbsize function in src/ext4blockdev.c of the lwext4 1.0.0 library allows attackers to cause a denial of service by providing a malformed ext4 filesystem image that results in a zero logical block size. The vulnerability is triggered during mount o...

CVE-2026-46094

A flaw was found in the Linux kernel's ext4 filesystem, specifically in the checkxattrs function. A local attacker could exploit a bounds check error, allowing an out-of-bounds read when processing extended attributes xattrs. This could lead to memory corruption, potentially causing a denial of...

CVE-2026-45858

A flaw was found in the Linux kernel's ext4 filesystem. This vulnerability occurs during the splitting of unwritten data blocks, where a portion of the data may be incorrectly marked as written while still containing stale, uninitialized information. A local attacker could potentially exploit thi...

SUSE CVE-2026-45985

In the Linux kernel, the following vulnerability has been resolved: ext4: don't set EXT4GETBLOCKSCONVERT when splitting before submitting I/O When allocating blocks during within-EOF DIO and writeback with dioreadnolock enabled, EXT4GETBLOCKSPREIO was set to split an existing large unwritten...

CVE-2026-45892

A flaw was found in the Linux kernel's ext4 filesystem. This vulnerability occurs during certain buffered write operations when splitting unwritten data blocks, known as extents. A logic error can lead to an inconsistency where the filesystem's internal record of data blocks the extent status tre...

CVE-2026-45912

A flaw was found in the Linux kernel's ext4 filesystem. During certain file operations, specifically when splitting data extents, an issue with caching can lead to incorrect tracking of disk space. This can result in errors in space accounting, potentially impacting data integrity and the overall...

CVE-2026-45942

A flaw was found in the Linux kernel's ext4 filesystem. A race condition exists between page migration and bitmap modification within the loadbuddy function. This can lead to bitmap inconsistencies and false positive corruption reports during certain workloads. This issue can affect data integrit...

CVE-2026-45985

A flaw was found in the Linux kernel's ext4 filesystem. When allocating blocks for direct I/O DIO and writeback, an incorrect flag handling during extent splitting could lead to a mismatch between the on-disk extent status and the extent status tree. This issue, particularly when a temporary erro...