kernel: tcp/dccp: Don't use timer_pending() in reqsk_queue_unlink().

A use-after-free UAF vulnerability was found and fixed in the Linux kernel's TCP subsystem related to request socket reqsk timers during handshake handling. This issue stems from a race condition caused by relying on timerpending in reqskqueueunlink. This could result in the timer continuing to r...

Linux kernel perf DoS

The vulnerability of the net/mlx5e components in the Linux operating system’s kernel is related to the lack of memory release after the effective lifespan of these components has ended. Exploiting this vulnerability can allow an attacker to cause a service failure...

PT-2025-34421

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The parse longname function in the Ceph subsystem does not guarantee a NUL-terminated string when using strrchr, leading to a potential issue. The function utilizes kmemdup nul to crea...

CVE-2023-5753

Potential buffer overflows in the Bluetooth subsystem due to asserts being disabled in /subsys/bluetooth/host/hcicore.c...

[SECURITY] Fedora 40 Update: keyring-ima-signer-0.1.0-17.fc40

The IMA Integrity Measurement Architecture is a key component of the Linux integrity subsystem designed to ensure integrity, authenticity, and confidentiality of systems including hardware root of trusts TPM. This tool allows signing of files in userspace, inclusding options of including the...

Ubuntu: Security Advisory (USN-7234-4)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

USN-7234-4: Linux kernel (AWS) vulnerabilities

Ye Zhang and Nicolas Wu discovered that the iouring subsystem in the Linux kernel did not properly handle locking for rings with IOPOLL, leading to a double-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code...

PT-2025-6934

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A vulnerability in the Linux kernel has been resolved by reverting a commit related to the u serial gadget in the USB subsystem. The issue caused crashes on Tegra systems when the port...

CVE-2023-32277: Untrusted Pointer Dereference

Untrusted Pointer Dereference in I/O subsystem for some IntelR QAT software before version 2.0.5 may allow authenticated user to potentially enable information disclosure via local operating system access...

Ubuntu 22.04 LTS : Linux kernel (Azure) vulnerabilities (USN-7236-3)

The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7236-3 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in...

CVE-2025-21367

Windows Win32 Kernel Subsystem Elevation of Privilege Vulnerability...

CVE-2025-21367

Windows Win32 Kernel Subsystem Elevation of Privilege Vulnerability...

CVE-2025-21367 Windows Win32 Kernel Subsystem Elevation of Privilege Vulnerability

...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: iptables: Fix null-ptr-deref in iptablenattableinit. We had a report that iptables-restore sometimes triggered null-ptr-deref at boot time. 0 The problem is that iptablenattableinit is exposed to user space before the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: mISDN: Fixed an use-after-free in hfcmultitx Do not dereference sp after calling devkfreeskbsp...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: security/keys: Fixed a slab-out-of-bounds issue in keytaskpermission. KASAN reported an out-of-bounds read: - BUG: KASAN: Slab-out-of-bounds in kuidval, include/linux/uidgid.h:36 - BUG: KASAN: Slab-out-of-bounds in uideq,...

CVE-2025-21367: Use After Free

Windows Win32 Kernel Subsystem Elevation of Privilege Vulnerability...

USN-7262-1: Linux kernel 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: - Multiple devices driver; - Network drivers; - Sonic Silicon Backplane drivers; - File systems infrastructure; -...

PT-2025-33781

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The Linux kernel contains a flaw within the clock clk subsystem, specifically in the xilinx VCUs. An issue exists where the pll post is improperly unregistered if its initial...

CVE-2025-20175

A vulnerability in the SNMP subsystem of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker to cause a DoS condition on an affected device. This vulnerability is due to improper error handling when parsing SNMP requests. An attacker could exploit this...