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

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...

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...

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-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-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...

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...

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...

DEBIAN-CVE-2022-49454

In the Linux kernel, the following vulnerability has been resolved: PCI: mediatek: Fix refcount leak in mtkpciesubsyspowerup The offindcompatiblenode function returns a node pointer with refcount incremented, We should use ofnodeput on it when done Add the missing ofnodeput to release the refcoun...

DEBIAN-CVE-2022-49332

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Address NULL pointer dereference after stargettorport Calls to stargettorport may return NULL. Add check for NULL rport before dereference...