USN-8056-1 u-boot vulnerabilities

Simon Diepold discovered that U-Boot incorrectly handled certain DHCP responses. An attacker on the local network could possibly use this issue to obtain sensitive memory contents. CVE-2024-42040 It was discovered that U-Boot incorrectly handled symlink size calculations in squashfs file systems...

Ubuntu 22.04 LTS / 24.04 LTS : U-Boot vulnerabilities (USN-8056-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8056-1 advisory. Simon Diepold discovered that U-Boot incorrectly handled certain DHCP responses. An attacker on the local network could possibly use this iss...

CVE-2026-23214

In the Linux kernel, the following vulnerability has been resolved: btrfs: reject new transactions if the fs is fully read-only BUG There is a bug report where a heavily fuzzed fs is mounted with all rescue mount options, which leads to the following warnings during unmount: BTRFS: Transaction...

SUSE CVE-2026-23145

In the Linux kernel, the following vulnerability has been resolved: ext4: fix iloc.bh leak in ext4xattrinodeupdateref The error branch for ext4xattrinodeupdateref forget to release the refcount for iloc.bh. Find this when review code...

SUSE CVE-2026-23157

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not strictly require dirty metadata threshold for metadata writepages BUG There is an internal report that over 1000 processes are waiting at the ioscheduletimeout of balancedirtypages, causing a system hang and trigger...

SUSE CVE-2026-23181

In the Linux kernel, the following vulnerability has been resolved: btrfs: sync read disk super and set block size When the user performs a btrfs mount, the block device is not set correctly. The user sets the block size of the block device to 0x4000 by executing the BLKBSZSET command. Since the...

Siemens SIMATIC S7-1500 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') (CVE-2025-39697)

In the Linux kernel, the following vulnerability has been resolved: NFS: Fix a race when updating an existing write After nfslockandjoinrequests tests for whether the request is still attached to the mapping, nothing prevents a call to nfsinoderemoverequest from succeeding until we actually lock...

Siemens SIMATIC S7-1500 Use After Free (CVE-2025-39866)

"In the Linux kernel, the following vulnerability has been resolved: fs: writeback: fix use-after-free in markinodedirty An use- after-free issue occurred when markinodedirty get the bdiwriteback that was in the progress of switching. CPU: 1 PID: 562 Comm: systemd-random- Not tainted...

CVE-2026-23181

In the Linux kernel, the following vulnerability has been resolved: btrfs: sync read disk super and set block size When the user performs a btrfs mount, the block device is not set correctly. The user sets the block size of the block device to 0x4000 by executing the BLKBSZSET command. Since the...

UBUNTU-CVE-2026-23181

In the Linux kernel, the following vulnerability has been resolved: btrfs: sync read disk super and set block size When the user performs a btrfs mount, the block device is not set correctly. The user sets the block size of the block device to 0x4000 by executing the BLKBSZSET command. Since the...

SUSE-SU-2026:0525-1 Security update for the Linux Kernel (Live Patch 73 for SUSE Linux Enterprise 12 SP5)

This update for the SUSE Linux Enterprise kernel 4.12.14-122.275 fixes one security issue The following security issue was fixed: - CVE-2025-40186: tcp: Don't call reqskfastopenremove in tcpconnrequest bsc1253439. The following non security issue was fixed: - bsc1250280: don't expose...

SUSE-SU-2026:0524-1 Security update for the Linux Kernel (Live Patch 72 for SUSE Linux Enterprise 12 SP5)

This update for the SUSE Linux Enterprise kernel 4.12.14-122.272 fixes various security issues The following security issues were fixed: - CVE-2023-53321: wifi: mac80211hwsim: drop short frames bsc1250314. - CVE-2025-40186: tcp: Don't call reqskfastopenremove in tcpconnrequest bsc1253439. The...

CVE-2026-23181 btrfs: sync read disk super and set block size

In the Linux kernel, the following vulnerability has been resolved: btrfs: sync read disk super and set block size When the user performs a btrfs mount, the block device is not set correctly. The user sets the block size of the block device to 0x4000 by executing the BLKBSZSET command. Since the...

CVE-2026-23181

In the Linux kernel, the following vulnerability has been resolved: btrfs: sync read disk super and set block size When the user performs a btrfs mount, the block device is not set correctly. The user sets the block size of the block device to 0x4000 by executing the BLKBSZSET command. Since the...

CVE-2026-23181 btrfs: sync read disk super and set block size

In the Linux kernel, the following vulnerability has been resolved: btrfs: sync read disk super and set block size When the user performs a btrfs mount, the block device is not set correctly. The user sets the block size of the block device to 0x4000 by executing the BLKBSZSET command. Since the...

CVE-2026-23145

In the Linux kernel, the following vulnerability has been resolved: ext4: fix iloc.bh leak in ext4xattrinodeupdateref The error branch for ext4xattrinodeupdateref forget to release the refcount for iloc.bh. Find this when review code...

UBUNTU-CVE-2026-23145

In the Linux kernel, the following vulnerability has been resolved: ext4: fix iloc.bh leak in ext4xattrinodeupdateref The error branch for ext4xattrinodeupdateref forget to release the refcount for iloc.bh. Find this when review code...

CVE-2026-23145 ext4: fix iloc.bh leak in ext4_xattr_inode_update_ref

In the Linux kernel, the following vulnerability has been resolved: ext4: fix iloc.bh leak in ext4xattrinodeupdateref The error branch for ext4xattrinodeupdateref forget to release the refcount for iloc.bh. Find this when review code...

CVE-2026-23145 ext4: fix iloc.bh leak in ext4_xattr_inode_update_ref

In the Linux kernel, the following vulnerability has been resolved: ext4: fix iloc.bh leak in ext4xattrinodeupdateref The error branch for ext4xattrinodeupdateref forget to release the refcount for iloc.bh. Find this when review code...

CVE-2026-23145

In the Linux kernel, the following vulnerability has been resolved: ext4: fix iloc.bh leak in ext4xattrinodeupdateref The error branch for ext4xattrinodeupdateref forget to release the refcount for iloc.bh. Find this when review code...