FreeBSD Security Advisory - FreeBSD-SA-26:20.fusefs

FreeBSD Security Advisory - When a fusefs file system implements extended attributes, the kernel may send a FUSELISTXATTR message to the userspace daemon to retrieve the list of extended attributes for a given file. The FUSE protocol requires the daemon to return a packed list of NUL-terminated...

CVE-2026-33565 kernel_linux_common_modules has a Race Condition vulnerability

in OpenHarmony v6.0 and prior versions allow a local attacker cause DOS...

CVE-2026-43490

A flaw was found in ksmbd, a Linux kernel module that provides an in-kernel Server Message Block SMB server. A remote attacker could exploit this vulnerability by providing a malformed inheritable Access Control Entry ACE within a security descriptor. This could lead to an out-of-bounds read or...

Kazuar: Anatomy of a nation-state botnet

In this article 1. Delivery 2. Module types 3. Botnet operations 4. Who is Secret Blizzard? 5. Mitigation and protection guidance 6. Microsoft Defender detections Kazuar, a sophisticated malware family attributed to the Russian state actor Secret Blizzard, has been under constant development for...

Kazuar: Anatomy of a nation-state botnet

In this article 1. Delivery 2. Module types 3. Botnet operations 4. Who is Secret Blizzard? 5. Mitigation and protection guidance 6. Microsoft Defender detections Kazuar, a sophisticated malware family attributed to the Russian state actor Secret Blizzard, has been under constant development for...

CVE-2025-29338

NXP moal.ko Wi-Fi driver 5.1.7.10 FW version from v17.92.1.p149.43 To v17.92.1.p149.157 was discovered to contain a buffer overflow via the modpara parameter in the woalinitmoduleparam function...

kernel security update

5.14.0-611.55.1 - Disable UKI signing Orabug: 36571828 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list olkmodsigningkey.pem Orabug: 29539237 - Update x509.genkey Orabug:...

CVE-2026-43409

A flaw was found in the Linux kernel's kprobes subsystem. When the ftrace tracing utility is disabled due to errors, a local user can cause a system crash by removing a kernel module that uses kprobe probes. This vulnerability arises from kprobes not correctly handling the ftrace disabled state,...

CVE-2026-43467 net/mlx5: Fix crash when moving to switchdev mode

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fix crash when moving to switchdev mode When moving to switchdev mode when the device doesn't support IPsec, we try to clean up the IPsec resources anyway which causes the crash below, fix that by correctly checking for...

CVE-2026-43377

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Don't log keys in SMB3 signing and encryption key generation When KSMBDDEBUGAUTH logging is enabled, generatesmb3signingkey and generatesmb3encryptionkey log the session, signing, encryption, and decryption key bytes. Remo...

CVE-2026-43364

Summary (CVE-2026-43364) : In the Linux kernel ublk subsystem, a local attacker can trigger a NULL pointer dereference by sending UPDATE_SIZE to a ublk device that has been added but not started, or that has been stopped. The root cause is missing state validation in ublk_ctrl_set_size(), which d...

Linux Distros Unpatched Vulnerability : CVE-2026-43466

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/mlx5e: Fix DMA FIFO desync on error CQE SQ recovery In case of a TX error CQE, a recovery flow is triggered, mlx5eresettxqsqccpc resets dmafifocc to 0 but n...

efci-copyfail-mitigation

Copy Fail exploit mitigation CVE-2026-31431 also known as...

Ubuntu 22.04 LTS / 24.04 LTS / 25.10 : kmod update (USN-8226-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 host has packages installed that are affected by a vulnerability as referenced in the USN-8226-1 advisory. It was discovered that the Linux kernel algifaead module contained a logic flaw allowing a local attacker to escalate privileges to root. This...

CVE-2026-31698

CVE-2026-31698 affects the Linux kernel crypto CCP Sev driver. The issue arises when retrieving the PDH certificate: if a firmware command fails with an invalid length, the driver may copy data to userspace, causing a kernel-allocated buffer overflow and potential data leakage to the local user. ...

USN-8226-1: kmod update

It was discovered that the Linux kernel algifaead module contained a logic flaw allowing a local attacker to escalate privileges to root. This update to the kmod package disables loading the algifaead module as a measure to mitigate the issue until kernel updates are made available. See the...

USN-8226-1 kmod update

It was discovered that the Linux kernel algifaead module contained a logic flaw allowing a local attacker to escalate privileges to root. This update to the kmod package disables loading the algifaead module as a measure to mitigate the issue until kernel updates are made available. See the...

Linux kernel padata_do_parallel Heap Buffer Overflow DoS

The vulnerability of the padatadoparallel function in the kernel/padata.c module of the Linux operating system is related to the occurrence of mutual locking. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of the protected...

Linux kernel module Heap Buffer Overflow DoS

The vulnerability of the vxlanflagattrerror function in the Linux kernel module is related to the occurrence of operations that go beyond the buffer boundaries in memory. Exploitation of this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of...

CVE-2026-31612

A flaw was found in ksmbd, a Linux kernel module. A remote attacker can exploit this vulnerability by sending a specially crafted client request to the smb2getea function. Due to improper validation of the EaNameLength field, the system may leak uninitialized heap memory values, leading to...