Ubuntu: Security Advisory (USN-6340-2)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 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-6338-2 linux-gcp, linux-gcp-6.2, linux-ibm, linux-oracle, linux-starfive vulnerabilities

Zi Fan Tan discovered that the binder IPC implementation in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2023-21255 It was discovered that a race condition existed in th...

USN-6339-2: Linux kernel vulnerabilities

It was discovered that the NTFS file system implementation in the Linux kernel did not properly validate MFT flags in certain situations. An attacker could use this to construct a malicious NTFS image that, when mounted and operated on, could cause a denial of service system crash. CVE-2022-48425...

USN-6342-2: Linux kernel (Azure)

Tavis Ormandy discovered that some AMD processors did not properly handle speculative execution of certain vector register instructions. A local attacker could use this to expose sensitive information. CVE-2023-20593 Zheng Zhang discovered that the device-mapper implementation in the Linux kernel...

PT-2025-54127

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.5.0-rc7 Description The Linux kernel contained a flaw within the btrfs subsystem related to the ino lookup ioctl. Specifically, the issue arises when calling btrfs iget to obtain an inode reference while holdin...

USN-6344-1: Linux kernel (Azure) vulnerabilities

Zi Fan Tan discovered that the binder IPC implementation in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2023-21255 It was discovered that a race condition existed in th...

Ubuntu 20.04 LTS : Linux kernel (Azure CVM) vulnerabilities (USN-6347-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6347-1 advisory. William Zhao discovered that the Traffic Control TC subsystem in the Linux kernel did not properly handle network packet retransmission in certain...

Ubuntu: Security Advisory (USN-6338-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 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...

Ubuntu 20.04 LTS : Linux kernel (Azure) vulnerabilities (USN-6349-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6349-1 advisory. Ruihan Li discovered that the bluetooth subsystem in the Linux kernel did not properly perform permissions checks when handling HCI sockets. A physically...

Ubuntu: Security Advisory (USN-6340-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 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-6340-1: Linux kernel vulnerabilities

Ruihan Li discovered that the bluetooth subsystem in the Linux kernel did not properly perform permissions checks when handling HCI sockets. A physically proximate attacker could use this to cause a denial of service bluetooth communication. CVE-2023-2002 Zi Fan Tan discovered that the binder IPC...

USN-6340-1 linux, linux-aws, linux-aws-5.4, linux-gcp, linux-hwe-5.4, linux-iot, linux-kvm, linux-oracle, linux-oracle-5.4 vulnerabilities

Ruihan Li discovered that the bluetooth subsystem in the Linux kernel did not properly perform permissions checks when handling HCI sockets. A physically proximate attacker could use this to cause a denial of service bluetooth communication. CVE-2023-2002 Zi Fan Tan discovered that the binder IPC...

USN-6338-1 linux, linux-aws, linux-aws-6.2, linux-hwe-6.2, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-6.2, linux-raspi vulnerabilities

Zi Fan Tan discovered that the binder IPC implementation in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2023-21255 It was discovered that a race condition existed in th...

Ubuntu 18.04 ESM / 20.04 LTS : Linux kernel vulnerabilities (USN-6340-1)

The remote Ubuntu 18.04 ESM / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6340-1 advisory. Ruihan Li discovered that the bluetooth subsystem in the Linux kernel did not properly perform permissions checks when handling HCI sockets. ...

PT-2025-53190

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.5.0-rc4-rt2-yocto-preempt-rt+ 15 Description The Linux kernel contained a flaw related to memory information dumping within the RCU Read-Copy-Update subsystem. Specifically, when call rcu was invoked multiple...

USN-6337-1 linux-azure-5.4 vulnerabilities

It was discovered that the netlink implementation in the Linux kernel did not properly validate policies when parsing attributes in some situations. An attacker could use this to cause a denial of service infinite recursion. CVE-2020-36691 Billy Jheng Bing Jhong discovered that the CIFS network...

Ubuntu 16.04 ESM : Linux kernel (KVM) vulnerabilities (USN-6327-1)

The remote Ubuntu 16.04 ESM host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6327-1 advisory. Zheng Zhang discovered that the device-mapper implementation in the Linux kernel did not properly handle locking during tableclear operations. A local...

USN-6327-1: Linux kernel (KVM) vulnerabilities

Zheng Zhang discovered that the device-mapper implementation in the Linux kernel did not properly handle locking during tableclear operations. A local attacker could use this to cause a denial of service kernel deadlock. CVE-2023-2269 It was discovered that a use-after-free vulnerability existed ...

RLSA-2023:3847 Moderate: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: tls: race condition in dotlsgetsockopt may lead to use-after-free or NULL pointer dereference CVE-2023-28466 For more details about the security issues, including the impact, a CVSS score...

kernel security, bug fix, and enhancement update

An update is available for kernel. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel packages contain the Linux kernel, the core of any Linux operating...