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 Linux kernel 5.17, which stems from a small table perturbation that causes insufficient randomization in net/ipv4/tcp.c when the Linux kernel...

Ubuntu 20.04 LTS : Linux kernel (OEM) vulnerabilities (USN-5470-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-5470-1 advisory. It was discovered that the Linux kernel did not properly restrict access to the kernel debugger when booted in secure boot environments. A privileged attacker cou...

USN-5444-1 linux-oem-5.14, linux-oem-5.17 vulnerability

Kyle Zeng discovered that the Network Queuing and Scheduling subsystem of the Linux kernel did not properly perform reference counting in some situations, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or execute arbitrary code...

USN-5416-1: Linux kernel (OEM) vulnerabilities

Qiuhao Li, Gaoning Pan and Yongkang Jia discovered that the KVM implementation in the Linux kernel did not properly perform guest page table updates in some situations. An attacker in a guest vm could possibly use this to crash the host OS. CVE-2022-1158 It was discovered that the implementation ...

KB5014032: Servicing stack update for Windows 10, version 20H2, 21H1, and 21H2: May 10, 2022

None None...

Ubuntu: Security Advisory (USN-5381-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 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-5381-1: Linux kernel (OEM) vulnerabilities

David Bouman discovered that the netfilter subsystem in the Linux kernel did not properly validate passed user register indices. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. CVE-2022-1015 It was discovered that the block layer subsystem in the...

Ubuntu 20.04 LTS : Linux kernel (OEM) vulnerability (USN-5353-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-5353-1 advisory. It was discovered that the IPsec implementation in the Linux kernel did not properly allocate enough memory when performing ESP transformations, leading to a...

Ubuntu: Security Advisory (USN-5353-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 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-5353-1: Linux kernel (OEM) vulnerability

It was discovered that the IPsec implementation in the Linux kernel did not properly allocate enough memory when performing ESP transformations, leading to a heap-based buffer overflow. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code...

Ubuntu 20.04 LTS : Linux kernel (OEM) vulnerability (USN-5346-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-5346-1 advisory. It was discovered that the ICMPv6 implementation in the Linux kernel did not properly deallocate memory in certain situations. A remote attacker could possibly us...

Ubuntu: Security Advisory (USN-5346-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 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: Security Advisory (USN-5302-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 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-5302-1: Linux kernel (OEM) vulnerabilities

Yiqi Sun and Kevin Wang discovered that the cgroups implementation in the Linux kernel did not properly restrict access to the cgroups v1 releaseagent feature. A local attacker could use this to gain administrative privileges. CVE-2022-0492 Brendan Dolan-Gavitt discovered that the Marvell WiFi-Ex...

USN-5278-1: Linux kernel (OEM) vulnerabilities

It was discovered that the rlimit tracking for user namespaces in the Linux kernel did not properly perform reference counting, leading to a use-after- free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. CVE-2022-24122 It was...

Ubuntu: Security Advisory (USN-5217-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 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: Security Advisory (USN-5218-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 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-5218-1: Linux kernel (OEM) vulnerabilities

Nadav Amit discovered that the hugetlb implementation in the Linux kernel did not perform TLB flushes under certain conditions. A local attacker could use this to leak or alter data from other processes that use huge pages. CVE-2021-4002 It was discovered that the eBPF implementation in the Linux...

USN-5217-1: Linux kernel (OEM) vulnerabilities

It was discovered that the NFS server implementation in the Linux kernel contained an out-of-bounds write vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2021-4090 It was discovered that the eBPF implementation in th...

Ubuntu 20.04 LTS : Linux kernel (OEM) vulnerabilities (USN-5218-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5218-1 advisory. Nadav Amit discovered that the hugetlb implementation in the Linux kernel did not perform TLB flushes under certain conditions. A local attacker could us...