CVE-2025-21745 blk-cgroup: Fix class @block_class's subsystem refcount leakage

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Fix class @blockclass's subsystem refcount leakage blkcgfillrootiostats iterates over @blockclass's devices by classdeviterinit|next, but does not end iterating with classdeviterexit, so causes the class's subsystem...

Linux kernel 安全漏洞

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 additional call to fwnodehandleput during removal by the media: i2c: ds90ub9x3 module...

The vulnerability of the input/output subsystem of the Intel QuickAssist Technology (QAT) driver package allows a hacker to gain unauthorized access to protected information.

The vulnerability of the input/output subsystem of the Intel QuickAssist Technology QAT driver package is related to the use of a non-trusted pointer. Exploiting this vulnerability can allow an attacker to gain unauthorized access to protected information...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-7294-2)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7294-2 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update...

Ubuntu 20.04 LTS / 22.04 LTS : Linux kernel vulnerabilities (USN-7289-4)

"The remote Ubuntu 20.04 LTS / 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7289-4 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update...

USN-7294-1: 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: - ARM64 architecture; - Block layer subsystem; - ACPI drivers; - Drivers core; - ATA over ethernet AOE driver; - TPM...

USN-7294-1 linux-azure, linux-azure-5.4, linux-bluefield, linux-gcp, linux-gcp-5.4, linux-ibm-5.4 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; - Block layer subsystem; - ACPI drivers; - Drivers core; - ATA over ethernet AOE driver; - TPM...

USN-7295-1: Linux kernel 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...

USN-7295-1 linux-xilinx-zynqmp 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...

Security update for openssh

This update for openssh fixes the following issues: Security issues fixed: CVE-2025-26465: Fixed a MitM attack against OpenSSH's VerifyHostKeyDNS-enabled client bsc1237040 CVE-2025-26466: Fixed a DoS attack against OpenSSH's client and server bsc1237041 Other issues fixed: Fix ssh client segfault...

USN-7291-1 linux-gcp, linux-gcp-5.15, linux-gke 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; - ACPI drivers; - GPU drivers; - HID subsystem; -...

USN-7293-1: Linux kernel vulnerabilities

Attila Szász discovered that the HFS+ file system implementation in the Linux Kernel contained a heap overflow vulnerability. An attacker could use a specially crafted file system image that, when mounted, could cause a denial of service system crash or possibly execute arbitrary code...

USN-7305-1: 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: - ARM64 architecture; - x86 architecture; - Block layer subsystem; - ACPI drivers; - GPU drivers; - HID subsystem; -...

USN-7303-1 linux-nvidia, linux-nvidia-6.8, linux-nvidia-lowlatency 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: - ARM32 architecture; - x86 architecture; - Block layer subsystem; - Cryptographic API; - ACPI drivers; - Drivers cor...

DEBIAN-CVE-2022-49615

In the Linux kernel, the following vulnerability has been resolved: ASoC: rt711-sdca: fix kernel NULL pointer dereference when IO error The initial settings will be written before the codec probe function. But, the rt711-component doesn't be assigned yet. If IO error happened during initial...

DEBIAN-CVE-2022-49591

In the Linux kernel, the following vulnerability has been resolved: net: dsa: microchip: kszcommon: Fix refcount leak bug In kszswitchregister, we should call ofnodeput for the reference returned by ofgetchildbyname which has increased the refcount...

DEBIAN-CVE-2022-49535

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fix null pointer dereference after failing to issue FLOGI and PLOGI If lpfcissueelsflogi fails and returns non-zero status, the node reference count is decremented to trigger the release of the nodelist structure...

DEBIAN-CVE-2022-49480

In the Linux kernel, the following vulnerability has been resolved: ASoC: imx-hdmi: Fix refcount leak in imxhdmiprobe offinddevicebynode takes reference, we should use putdevice to release it. when devmkzalloc fails, it doesn't have a putdevice, it will cause refcount leak. Add missing putdevice ...

CVE-2022-49469

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix anondev leak in createsubvol When btrfsqgroupinherit, btrfsalloctreeblock, or btrfsinsertroot fail in createsubvol, we return without freeing anondev. Reorganize the error handling in createsubvol to fix this...

DEBIAN-CVE-2022-49473

In the Linux kernel, the following vulnerability has been resolved: ASoC: ti: j721e-evm: Fix refcount leak in j721esocprobe ofparsephandle returns a node pointer with refcount incremented, we should use ofnodeput on it when not needed anymore. Add missing ofnodeput to avoid refcount leak...