Linux Kernel Security Vulnerabilities

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 an out-of-bounds read problem in the ext4xattrinodedecrefall function...

Linux Kernel Security Vulnerabilities

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 ext4setattr function incorrectly jumping labels, which could result in mapping locks not being released...

CVE-2025-22113: Undefined Security Weakness

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...

Linux Kernel Security Vulnerabilities

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 ext4 attempting to update the superblock even after log destruction, which could lead to undefined behavior...

CVE-2025-22120: Undefined Security Weakness

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...

PT-2025-18404

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.12.0-rc6-syzkaller-00318-ga9cda7c0ffed Description A use-after-free issue was detected in the ext4 insert dentry function due to out-of-bounds access caused by incorrect splitting in do split. This issue can le...

USN-7429-2 linux-fips 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: - Drivers core; - HID subsystem; - Network drivers; - SCSI subsystem; - SuperH / SH-Mobile drivers; - File systems...

USN-7428-2 linux-fips, linux-aws-fips, linux-azure-fips, linux-gcp-fips vulnerabilities

Demi Marie Obenour and Simon Gaiser discovered that several Xen para- virtualization device frontends did not properly restrict the access rights of device backends. An attacker could possibly use a malicious Xen backend to gain access to memory pages of a guest VM or cause a denial of service in...

USN-7415-1 linux 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: - Drivers core; - Ext4 file system; - JFS file system; - Network namespace; - CAIF protocol; - Networking core; - IPv...

USN-7392-3 linux-aws vulnerabilities

Chenyuan Yang discovered that the CEC driver driver in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2024-23848 Attila Szász discovered that the HFS+ file system...

USN-7383-2 linux-realtime 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; - x86 architecture; - Block layer subsystem; - Drivers core; - Ublk userspace block driver; -...

USN-7383-1 linux, linux-aws, linux-gcp, linux-gcp-6.8, linux-gke, linux-gkeop, linux-lowlatency, linux-lowlatency-hwe-6.8, linux-nvidia, linux-nvidia-6.8, linux-nvidia-lowlatency, linux-oracle, linux-oracle-6.8 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; - x86 architecture; - Block layer subsystem; - Drivers core; - Ublk userspace block driver; -...

ext4 kernel DoS

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

ext4 Heap Buffer Overflow DoS

The vulnerability of the ext4xattrblockcachefind function in the ext4 component of the Linux operating system is related to a memory overflow issue. Exploiting this vulnerability could allow an attacker to cause a service failure...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: smb: client: fix UAF in smb2reconnectserver CVE-2024-35870 In the Linux kernel, the following vulnerability has been resolved: ext4: fix timer use-after-free on failed mount CVE-2024-49960 In the Linux kernel, the...

Security update for u-boot

This update for u-boot fixes the following issues: CVE-2024-57256: integer overflow in U-Boot's ext4 symlink resolution function bsc1237284. CVE-2024-57258: multiple integer overflows in U-Boot's memory allocator bsc1237287. Patch Instructions: To install this SUSE update use the SUSE recommended...

SUSE-SU-2025:0989-1 Security update for u-boot

This update for u-boot fixes the following issues: - CVE-2024-57256: integer overflow in U-Boot's ext4 symlink resolution function bsc1237284. - CVE-2024-57258: multiple integer overflows in U-Boot's memory allocator bsc1237287...

Ext4 Heap Buffer Overflow DoS

The vulnerability of the ext4xattrsetentry function in the fs/ext4/xattr.c module of the Ext4 file system in the Linux operating system is related to insufficient resource locking. Exploiting this vulnerability could allow an attacker to cause a service failure...

Linux ext4 Buffer Overflow

The vulnerability of the struct bufferhead ext4findInlineentry function in the fs/ext4/inline.c module of the Linux operating system is related to the use of memory after deallocation. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and...

PT-2025-16753

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability in the Linux kernel has been resolved, related to the ext4 file system. The issue occurs when the journal is being destroyed, and an error handling path attempts to start...