Ubuntu: Security Advisory (USN-6014-1)

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-6014-1: Linux kernel vulnerabilities

Xuewei Feng, Chuanpu Fu, Qi Li, Kun Sun, and Ke Xu discovered that the TCP implementation in the Linux kernel did not properly handle IPID assignment. A remote attacker could use this to cause a denial of service connection termination or inject forged data. CVE-2020-36516 Ke Sun, Alyssa Milburn,...

USN-6014-1 linux, linux-kvm, linux-lts-xenial vulnerabilities

Xuewei Feng, Chuanpu Fu, Qi Li, Kun Sun, and Ke Xu discovered that the TCP implementation in the Linux kernel did not properly handle IPID assignment. A remote attacker could use this to cause a denial of service connection termination or inject forged data. CVE-2020-36516 Ke Sun, Alyssa Milburn,...

USN-6013-1: Linux kernel (AWS) vulnerabilities

Xuewei Feng, Chuanpu Fu, Qi Li, Kun Sun, and Ke Xu discovered that the TCP implementation in the Linux kernel did not properly handle IPID assignment. A remote attacker could use this to cause a denial of service connection termination or inject forged data. CVE-2020-36516 Ke Sun, Alyssa Milburn,...

Ubuntu 16.04 ESM : Linux kernel (GCP) vulnerabilities (USN-6007-1)

The remote Ubuntu 16.04 ESM host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6007-1 advisory. It was discovered that the Upper Level Protocol ULP subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain...

OESA-2023-1210 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: Intel microprocessor generations 6 to 8 are affected by a new Spectre variant that is able to bypass their retpoline mitigation in the kernel to leak arbitrary data. An attacker with unprivileged user access can hijack return...

Ubuntu: Security Advisory (USN-6001-1)

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...

OESA-2023-1187 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: Intel microprocessor generations 6 to 8 are affected by a new Spectre variant that is able to bypass their retpoline mitigation in the kernel to leak arbitrary data. An attacker with unprivileged user access can hijack return...

Debian: Security Advisory (DLA-1529-1)

The remote host is missing an update for the Debian 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...

Debian: Security Advisory (DLA-1362-1)

The remote host is missing an update for the Debian 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...

PT-2023-35443 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v5.15.94 Description: The issue is related to a potential Spectre v1 gadget in the xfrm xlate32 attr function. The actual impact and attack plausibility have not yet been proven. Recommendations: For Linux Kerne...

K83713003: RetBleed CPU vulnerability CVE-2022-29901

Security Advisory Description There are two RetBleed vulnerabilities. This article applies to CVE-2022-29901. For information about CVE-2022-29900 refer to the following article: K57185580: RetBleed CPU vulnerability CVE-2022-29900 Intel microprocessor generations 6 to 8 are affected by a new...

SUSE CVE-2022-25368

Spectre BHB is a variant of Spectre-v2 in which malicious code uses the shared branch history stored in the CPU BHB to influence mispredicted branches in the victim's hardware context. Speculation caused by these mispredicted branches can then potentially be used to cause cache allocation, which...

SUSE CVE-2022-29901

Intel microprocessor generations 6 to 8 are affected by a new Spectre variant that is able to bypass their retpoline mitigation in the kernel to leak arbitrary data. An attacker with unprivileged user access can hijack return instructions to achieve arbitrary speculative code execution under...

PT-2023-34981 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v6.1.9 Description: The issue concerns a potential Spectre v1 gadget in the netlink component. The actual impact and attack plausibility have not yet been proven. It was introduced in version v2.6.15 and fixed i...

Ubuntu 18.04 LTS : Linux kernel (Dell300x) vulnerabilities (USN-5861-1)

The remote Ubuntu 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5861-1 advisory. It was discovered that the NFSD implementation in the Linux kernel did not properly handle some RPC messages, leading to a buffer overflow. A remote...

Ubuntu 18.04 LTS : Linux kernel (Azure) vulnerabilities (USN-5865-1)

The remote Ubuntu 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5865-1 advisory. It was discovered that an out-of-bounds write vulnerability existed in the Video for Linux 2 V4L2 implementation in the Linux kernel. A local attacker...

Ubuntu 18.04 LTS : Linux kernel (Qualcomm Snapdragon) vulnerabilities (USN-5862-1)

The remote Ubuntu 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5862-1 advisory. It was discovered that an out-of-bounds write vulnerability existed in the Video for Linux 2 V4L2 implementation in the Linux kernel. A local attacker...

Ubuntu 18.04 LTS : Linux kernel vulnerabilities (USN-5854-1)

The remote Ubuntu 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5854-1 advisory. It was discovered that an out-of-bounds write vulnerability existed in the Video for Linux 2 V4L2 implementation in the Linux kernel. A local attacker...

DEBIAN-CVE-2022-2196

A regression exists in the Linux Kernel within KVM: nVMX that allowed for speculative execution attacks. L2 can carry out Spectre v2 attacks on L1 due to L1 thinking it doesn't need retpolines or IBPB after running L2 due to KVM L0 advertising eIBRS support to L1. An attacker at L2 with code...