KB5033427: Windows Server 2008 Security Update (December 2023)

The remote Windows host is missing security update 5033427. It is, therefore, affected by multiple vulnerabilities - Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability CVE-2023-36006 - A division-by-zero error on some AMD processors can potentially return speculativ...

INVD Processor Heap Buffer Overflow DoS

The vulnerability of the INVD processor instruction for virtual machines running on AMD-processor servers is related to the loss or omission of information. Exploiting this vulnerability can allow a malicious actor to cause the guest virtual machine’s memory to be compromised...

Ubuntu: Security Advisory (USN-6533-1)

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-6532-1: Linux kernel vulnerabilities

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 Yu Hao discovered that the UBI driver in the Linux kernel did not properly check...

USN-6497-1: Linux kernel (OEM) vulnerabilities

Maxim Levitsky discovered that the KVM nested virtualization SVM implementation for AMD processors in the Linux kernel did not properly handle x2AVIC MSRs. An attacker in a guest VM could use this to cause a denial of service host kernel crash. CVE-2023-5090 Alon Zahavi discovered that the...

RHEL 9 : kernel-rt (RHSA-2023:7379)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:7379 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirement...

SUSE SLED15 / SLES15 / openSUSE 15 Security Update : xen (SUSE-SU-2023:4476-1)

The remote openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:4476-1 advisory. - A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality. CVE-2023-20588 - arm3...

AMD CPU 安全漏洞

AMD CPUs are a family of CPUs from AMD. The AMD CPUs suffer from an improper instruction vulnerability that stems from the fact that incorrect or unexpected behavior of the INVD instruction would allow an attacker with a malicious hypervisor to affect the cache line write-back behavior of the CPU...

Fedora 39 : xen (2023-35d2ad2328)

The remote Fedora 39 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-35d2ad2328 advisory. arm32: The cache may not be properly cleaned/invalidated XSA-437, CVE-2023-34321 top-level shadow reference dropped too early for 64-bit PV guests...

Oracle Linux 7 : Unbreakable Enterprise kernel-container (ELSA-2023-12910)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2023-12910 advisory. - x86: KVM: SVM: always update the x2avic msr interception Maxim Levitsky Orabug: 35857366 CVE-2023-5090 - netfilter: ipset: add the missing...

Fedora 37 : xen (2023-948136565a)

The remote Fedora 37 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-948136565a advisory. arm32: The cache may not be properly cleaned/invalidated XSA-437, CVE-2023-34321 top-level shadow reference dropped too early for 64-bit PV guests...

USN-6416-2: Linux kernel 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 Daniël Trujillo, Johannes Wikner, and Kaveh Razavi...

SUSE SLES15: cluster-md-kmp-rt / dlm-kmp-rt / gfs2-kmp-rt / kernel-devel-rt / etc (SUSE-SU-2023:3988-1)

The remote SUSE Linux SLES15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:3988-1 advisory. The SUSE Linux Enterprise 15 SP5 RT kernel was updated to receive various security and bugfixes. The following security bugs were...

Ubuntu 18.04 ESM : Linux kernel (KVM) vulnerabilities (USN-6396-2)

The remote Ubuntu 18.04 ESM host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6396-2 advisory. It was discovered that some AMD x86-64 processors with SMT enabled could speculatively execute instructions using a return address from a sibling thread....

SUSE SLED15: cluster-md-kmp-64kb / cluster-md-kmp-default / dlm-kmp-64kb / etc (SUSE-SU-2023:3971-1)

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-2023:3971-1 advisory. The SUSE Linux Enterprise 15 SP5 kernel was updated to receive various security and bugfixes. Th...

USN-6319-1: AMD Microcode vulnerability | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 16.04 Canonical Ubuntu 18.04 Canonical Ubuntu 22.04 Description Daniël Trujillo, Johannes Wikner, and Kaveh Razavi discovered that some AMD processors utilising speculative execution and branch prediction may allow...

Ubuntu 20.04 LTS / 22.04 LTS : Linux kernel vulnerabilities (USN-6386-3)

The remote Ubuntu 20.04 LTS / 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6386-3 advisory. Jana Hofmann, Emanuele Vannacci, Cedric Fournet, Boris Kopf, and Oleksii Oleksenko discovered that some AMD processors could leak stale data...

Information Disclosure

xen is vulnerable to Information Disclosure. The vulnerability exists due to a division-by-zero error on some AMD processors which allows an attacker to gain access to speculative data...

Ubuntu: Security Advisory (USN-6386-2)

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...

Fedora 38 : xen (2023-4125279976)

The remote Fedora 38 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-4125279976 advisory. arm32: The cache may not be properly cleaned/invalidated XSA-437, CVE-2023-34321 top-level shadow reference dropped too early for 64-bit PV guests...