USN-4426-1: Linux kernel vulnerabilities

Jason A. Donenfeld discovered that the ACPI implementation in the Linux kernel did not properly restrict loading SSDT code from an EFI variable. A privileged attacker could use this to bypass Secure Boot lockdown restrictions and execute arbitrary code in the kernel. CVE-2019-20908 Fan Yang...

Security Bulletin: Vyatta 5600 vRouter Software Patches - Release 1801-ze

Summary AT&T has released versions 1801-ze for the Vyatta 5600. Details of these releases can be found at https://cloud.ibm.com/docs/infrastructure/virtual-router-appliance?topic=virtual-router-appliance-at-t-vyatta-5600-vrouter-software-patchesat-t-vyatta-5600-vrouter-software-patches...

kernel security, bug fix, and enhancement update

4.18.0-193.13.22.OL8 - Oracle Linux certificates Alexey Petrenko - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list olkmodsigningkey.pem Orabug: 29539237 - Update x509.genkey Orabug: 24817676 4.18.0-193.13.22 - Rebuild to get kernel image properly signed Bruno...

Information Disclosure

kernel is vulnerable to information disclosure. The vulnerability exists in kvm where an information leak occurs within a KVM guest which allows an attacker to gain access to sensitive information...

Important: Red Hat Security Advisory: virt:rhel security update

An update for the virt:rhel module is now available for Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity...

Amazon Linux AMI : qemu-kvm (ALAS-2020-1400)

The version of qemu-kvm installed on the remote host is prior to 1.5.3-156.19. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS-2020-1400 advisory. In libslirp 4.1.0, as used in QEMU 4.2.0, tcpsubr.c misuses snprintf return values, leading to a buffer overflow in...

Security Bulletin: Vulnerabilities in Qemu-kvm affect IBM SmartCloud Entry

Summary IBM SmartCloud Entry is vulnerable to Qemu-kvm vulnerabilities. Attackers could overflow a buffer and execute arbitrary code on the system or cause the application to crash, or could exploit these vulnerabilities to gain elevated privileges on the host system or cause a denial of service,...

Security Bulletin: Multiple vulnerabilities in qemu-kvm and libguestfs affect SmartCloud Entry (CVE-2016-9603 CVE-2017-2633 CVE-2017-7718 CVE-2017-7980 CVE-2015-8869)

Summary Multiple vulnerabilitieshave been identified in qemu-kvm and libguestfs. Qemu-kvm and libguestfs shipped with IBM SmartCloud Entry Appliance. IBM SmartCloud Entry Appliance has addressed the vulnerabilities. Vulnerability Details CVE-2016-9603 DESCRIPTION: Xen is vulnerable to a heap-base...

Important: qemu-kvm

Issue Overview: In libslirp 4.1.0, as used in QEMU 4.2.0, tcpsubr.c misuses snprintf return values, leading to a buffer overflow in later code. CVE-2020-8608 tcpemu in tcpsubr.c in libslirp 4.1.0, as used in QEMU 4.2.0, mismanages memory, as demonstrated by IRC DCC commands in EMUIRC. This can...

Unbreakable Enterprise kernel security update

5.4.17-2011.4.4uek - KVM: VMX: Explicitly clear RFLAGS.CF and RFLAGS.ZF in VM-Exit RSB path Sean Christopherson Orabug: 31536904 5.4.17-2011.4.3uek - NFS: replace cross device check in copyfilerange Olga Kornievskaia Orabug: 31507615 - rds: Fix potential use after free in rdsibincfree Hans...

Ubuntu: Security Advisory (USN-4419-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2020 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...

Important: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 7.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

RHEL 7 : qemu-kvm (RHSA-2020:2844)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:2844 advisory. Kernel-based Virtual Machine KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the...

USN-4414-1: Linux kernel vulnerabilities

It was discovered that the network block device nbd implementation in the Linux kernel did not properly check for error conditions in some situations. An attacker could possibly use this to cause a denial of service system crash. CVE-2019-16089 It was discovered that the btrfs file system...

USN-4412-1: Linux kernel vulnerabilities

Matthew Sheets discovered that the SELinux network label handling implementation in the Linux kernel could be coerced into de-referencing a NULL pointer. A remote attacker could use this to cause a denial of service system crash. CVE-2020-10711 It was discovered that the SCSI generic sg driver in...

USN-4412-1 linux, linux-aws, linux-aws-5.3, linux-azure, linux-azure-5.3, linux-gcp, linux-gcp-5.3, linux-gke-5.3, linux-hwe, linux-kvm, linux-oracle, linux-oracle-5.3, linux-raspi2-5.3 vulnerabilities

Matthew Sheets discovered that the SELinux network label handling implementation in the Linux kernel could be coerced into de-referencing a NULL pointer. A remote attacker could use this to cause a denial of service system crash. CVE-2020-10711 It was discovered that the SCSI generic sg driver in...

USN-4411-1 linux, linux-aws, inux-azure, linux-gcp, linux-kvm, linux-oracle, linux-raspi, linux-riscv vulnerabilities

It was discovered that the elf handling code in the Linux kernel did not initialize memory before using it in certain situations. A local attacker could use this to possibly expose sensitive information kernel memory. CVE-2020-10732 Matthew Sheets discovered that the SELinux network label handlin...

USN-4411-1: Linux kernel vulnerabilities

It was discovered that the elf handling code in the Linux kernel did not initialize memory before using it in certain situations. A local attacker could use this to possibly expose sensitive information kernel memory. CVE-2020-10732 Matthew Sheets discovered that the SELinux network label handlin...

Ubuntu 20.04 LTS : Linux kernel vulnerabilities (USN-4411-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4411-1 advisory. It was discovered that the elf handling code in the Linux kernel did not initialize memory before using it in certain situations. A local attacker could...

virt:ol security update

qemu-kvm 2.12.0-99.0.1.el82.2 - Added bug30251155-remove-upstream-reference Orabug: 30251155 2.12.0-99.el82.2 - kvm-vnc-add-magic-cookie-to-VncState.patch bz1816763 - kvm-vnc-fix-memory-leak-when-vnc-disconnect.patch bz1816763 - Resolves: bz1816763 CVE-2019-20382 virt:rhel/qemu-kvm: QEMU: vnc:...