Ubuntu 20.04 LTS : Linux kernel (BlueField) vulnerabilities (USN-6442-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6442-1 advisory. Ross Lagerwall discovered that the Xen netback backend driver in the Linux kernel did not properly handle certain unusual packets from a paravirtualized...

Ubuntu: Security Advisory (USN-6445-1)

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: Security Advisory (USN-6444-1)

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: Security Advisory (USN-6439-1)

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 16.04 ESM / 18.04 ESM : Linux kernel vulnerabilities (USN-6440-1)

The remote Ubuntu 16.04 ESM / 18.04 ESM host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6440-1 advisory. Seth Jenkins discovered that the Linux kernel did not properly perform address randomization for a per-cpu memory management structure. A loc...

USN-6445-1: Linux kernel (Intel IoTG) vulnerabilities

It was discovered that the IPv6 implementation in the Linux kernel contained a high rate of hash collisions in connection lookup table. A remote attacker could use this to cause a denial of service excessive CPU consumption. CVE-2023-1206 Daniel Trujillo, Johannes Wikner, and Kaveh Razavi...

USN-6445-1 linux-intel-iotg vulnerabilities

It was discovered that the IPv6 implementation in the Linux kernel contained a high rate of hash collisions in connection lookup table. A remote attacker could use this to cause a denial of service excessive CPU consumption. CVE-2023-1206 Daniel Trujillo, Johannes Wikner, and Kaveh Razavi...

USN-6444-1 linux, linux-aws, linux-aws-6.2, linux-azure, linux-azure-6.2, linux-azure-fde-6.2, linux-gcp, linux-gcp-6.2, linux-hwe-6.2, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-6.2, linux-oracle, linux-raspi, linux-starfive vulnerabilities

Ross Lagerwall discovered that the Xen netback backend driver in the Linux kernel did not properly handle certain unusual packets from a paravirtualized network frontend, leading to a buffer overflow. An attacker in a guest VM could use this to cause a denial of service host system crash or...

USN-6442-1 linux-bluefield vulnerabilities

Ross Lagerwall discovered that the Xen netback backend driver in the Linux kernel did not properly handle certain unusual packets from a paravirtualized network frontend, leading to a buffer overflow. An attacker in a guest VM could use this to cause a denial of service host system crash or...

USN-6441-1 linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-gcp, linux-gkeop, linux-hwe-5.4, linux-ibm, linux-ibm-5.4, linux-kvm, linux-oracle, linux-oracle-5.4, linux-xilinx-zynqmp vulnerabilities

Ross Lagerwall discovered that the Xen netback backend driver in the Linux kernel did not properly handle certain unusual packets from a paravirtualized network frontend, leading to a buffer overflow. An attacker in a guest VM could use this to cause a denial of service host system crash or...

USN-6440-1 linux, linux-aws, linux-azure, linux-azure-4.15, linux-gcp, linux-gcp-4.15, linux-hwe, linux-kvm, linux-oracle vulnerabilities

Seth Jenkins discovered that the Linux kernel did not properly perform address randomization for a per-cpu memory management structure. A local attacker could use this to expose sensitive information kernel memory or in conjunction with another kernel vulnerability. CVE-2023-0597 It was discovere...

USN-6439-1 linux, linux-aws, linux-kvm, linux-lts-xenial vulnerabilities

It was discovered that the IPv6 implementation in the Linux kernel contained a high rate of hash collisions in connection lookup table. A remote attacker could use this to cause a denial of service excessive CPU consumption. CVE-2023-1206 Yu Hao and Weiteng Chen discovered that the Bluetooth HCI...

SUSE SLED15: cluster-md-kmp-64kb / cluster-md-kmp-default / dlm-kmp-64kb / etc (SUSE-SU-2023:3969-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:3969-1 advisory. The SUSE Linux Enterprise 15 SP4 kernel was updated to receive various security and bugfixes. Th...

Important: kernel

Issue Overview: A use-after-free flaw was found in btrfssearchslot in fs/btrfs/ctree.c in btrfs in the Linux Kernel.This flaw allows an attacker to crash the system and possibly cause a kernel information lea CVE-2023-1611 A flaw in the Linux Kernel found in the GFS2 file system. On corrupted gfs...

Amazon Linux AMI : kernel (ALAS-2023-1827)

The version of kernel installed on the remote host is prior to 4.14.322-170.535. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS-2023-1827 advisory. A use-after-free vulnerability was found in the Linux kernel's netfilter subsystem in net/netfilter/nftablesapi.c...

CVE-2023-34319

The fix for XSA-423 added logic to Linux'es netback driver to deal with a frontend splitting a packet in a way such that not all of the headers would come in one piece. Unfortunately the logic introduced there didn't account for the extreme case of the entire packet being split into as many piece...

CVE-2023-34319

The fix for XSA-423 added logic to Linux'es netback driver to deal with a frontend splitting a packet in a way such that not all of the headers would come in one piece. Unfortunately the logic introduced there didn't account for the extreme case of the entire packet being split into as many piece...

DEBIAN-CVE-2023-34319

The fix for XSA-423 added logic to Linux'es netback driver to deal with a frontend splitting a packet in a way such that not all of the headers would come in one piece. Unfortunately the logic introduced there didn't account for the extreme case of the entire packet being split into as many piece...

ALPINE-CVE-2023-34319

The fix for XSA-423 added logic to Linux'es netback driver to deal with a frontend splitting a packet in a way such that not all of the headers would come in one piece. Unfortunately the logic introduced there didn't account for the extreme case of the entire packet being split into as many piece...

Buffer overflow

The fix for XSA-423 added logic to Linux'es netback driver to deal with a frontend splitting a packet in a way such that not all of the headers would come in one piece. Unfortunately the logic introduced there didn't account for the extreme case of the entire packet being split into as many piece...