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 btrfs filesystem not unlocking a page when cowfilerange fails, which could lead to a task hang...

PT-2025-26015 · Btrfs +1 · Btrfs +1

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 5.16.0-rc1+ Description: A vulnerability in the Linux kernel has been resolved, related to the btrfs file system. The issue causes a hang when the cow file range function fails during allocation, leaving pages...

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 Linux kernel that stems from insufficient inode count validation, which could lead to a file system crash...

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 Linux kernel that stems from cifs not freeing the memory pool in SMB2negotiate, which could lead to a memory leak...

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 resizing the file system to unaligned cluster boundaries...

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 Linux kernel that stems from an unhandled nfsgetlockcontext failure that could result in a null pointer dereference...

PT-2025-25798

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.15.0-rc2-dirty 60 Description A vulnerability in the Linux kernel has been identified, where the allocation of nfs lock context in nfs get lock context fails and returns -ENOMEM when memory is insufficient. If...

PT-2025-25993 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A use-after-free bug has been identified in the Linux kernel, specifically in the btrfs file system. The issue arises when the btrfs commit transaction function fails, causing the relo...

WAGO Device Manager Unauthorized Access

The vulnerability of the WAGO Device Manager software for configuring and parameterizing controllers is related to errors in configuring CORS policies. Exploiting this vulnerability can allow a malicious actor to gain unauthorized access to the file system by sending specially crafted requests...

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 NFSv4 releasing resources even after canceling an open RPC call resulting in post-release reuse...

Information Disclosure Vulnerability in Various ABB Products (CNVD-2025-13766)

ABB ASPECT-Enterprise is a scalable building energy management and control solution.ABB NEXUS Series is a monitoring and control management system.ABB MATRIX Series is an embedded IoT ASPECT control engine designed to provide flexible field control for medium to large field control applications. ...

CVE-2025-32797 Conda-build Insecure Build Script Permissions Enabling Arbitrary Code Execution

Conda-build contains commands and tools to build conda packages. Prior to version 25.3.1, the writebuildscripts function in conda-build creates the temporary build script condabuild.sh with overly permissive file permissions 0o766, allowing write access to all users. Attackers with filesystem...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: jfs: Prevent copying of nlink with a value of 0 from the disk inode. syzbot reported a deadlock in diFree. 1 When calling “ioctl$LOOPSETSTATUS64”, the offset value passed in is 4, which does not match the mounted loop device...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: smb: client: Fixed a use-after-free in cifsfilldirent. There is a race condition in the readdir concurrency process, which may access the rsp buffer after it has been released, triggering the following KASAN warning...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: fs/ntfs3: Fixed a couple of integer overflows on 32-bit systems. On 32-bit systems, the addition of “off + sizeofstruct NTFSDE” can lead to an integer wrapping issue. This issue was fixed by using sizeadd...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: f2fs: fixed to avoid accessing uninitialized curseg. The syzbot reports the following f2fs bug: F2FS-fs loop3: The filesystem stopped due to the reason: 7. kworker/u8:7: Attempt to access beyond the end of the device. Bug: Unable...

Astra Linux – Vulnerability in grub2

When reading data from an HFS filesystem, Grub’s HFS filesystem module uses user-controlled parameters from the filesystem metadata to calculate the internal buffer size. However, it fails to properly check for integer overflows. A maliciously crafted filesystem may cause some of those buffer siz...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: NFS: fixed nfsreleasefolio to prevent deadlock caused by kcompactd writeback. Added the PFKCOMPACTD flag and the currentiskcompactd helper to check for it, so that nfsreleasefolio can skip calling nfswbfolio from kcompactd...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: netfs: Only create /proc/fs/netfs with CONFIGPROCFS enabled. When testing a special configuration: CONFIGNETFSSUPPORTS=y CONFIGPROCFS=n The system crashes with something like: 3.766197 ------------ Cut here ------------ 3.766484...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: NFSv4: A deadlock occurs when recovering state on a file that has been renamed. If a file is renamed and scheduled for deletion upon closing, a server reboot may trigger an open reclaim operation. This can lead to a race conditio...