Ubuntu 20.04 LTS / 22.04 LTS : QEMU regression (USN-6567-2)

The remote Ubuntu 20.04 LTS / 22.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-6567-2 advisory. USN-6567-1 fixed vulnerabilities QEMU. The fix for CVE-2023-2861 was too restrictive and introduced a behaviour change leading to a regression in...

Ubuntu: Security Advisory (USN-6567-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2024 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-6567-1: QEMU vulnerabilities

Gaoning Pan and Xingwei Li discovered that QEMU incorrectly handled the USB xHCI controller device. A privileged guest attacker could possibly use this issue to cause QEMU to crash, leading to a denial of service. This issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. CVE-2020-14394 It w...

CVE-2023-1544 Qemu: pvrdma: out-of-bounds read in pvrdma_ring_next_elem_read()

A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device. This flaw allows a crafted guest driver to allocate and initialize a huge number of page tables to be used as a ring of descriptors for CQ and async events, potentially leading to an out-of-bounds read and crash of...

CVE-2023-1544: Out-of-bounds Read

A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device. This flaw allows a crafted guest driver to allocate and initialize a huge number of page tables to be used as a ring of descriptors for CQ and async events, potentially leading to an out-of-bounds read and crash of...

SUSE SLES15: qemu / qemu-SLOF / qemu-arm / qemu-audio-alsa / qemu-audio-pa / etc (SUSE-SU-2023:0840-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:0840-1 advisory. - CVE-2022-4144: Fixed unsafe address translation can lead to out-of-bounds read in qxlphys2virt bsc1205808. - CVE-2021-3507: Fixed...

EulerOS Virtualization 2.9.0 : qemu (EulerOS-SA-2022-1623)

According to the versions of the qemu package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device. The issue occurs while handling a 'PVRDMACMDCREATEM...

CVE-2022-1050: Use After Free

A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device. This flaw allows a crafted guest driver to execute HW commands when shared buffers are not yet allocated, potentially leading to a use-after-free condition...

CVE-2021-3582: Improper Restriction of Operations within the Bounds of a Memory Buffer

A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device. The issue occurs while handling a "PVRDMACMDCREATEMR" command due to improper memory remapping mremap. This flaw allows a malicious guest to crash the QEMU process on the host. The highest threat from this...

Integer overflow

An integer overflow was found in the QEMU implementation of VMWare's paravirtual RDMA device in versions prior to 6.1.0. The issue occurs while handling a "PVRDMAREGDSRHIGH" write from the guest due to improper input validation. This flaw allows a privileged guest user to make QEMU allocate a lar...

CVE-2021-3607

An integer overflow was found in the QEMU implementation of VMWare's paravirtual RDMA device in versions prior to 6.1.0. The issue occurs while handling a "PVRDMAREGDSRHIGH" write from the guest due to improper input validation. This flaw allows a privileged guest user to make QEMU allocate a lar...

CVE-2021-3607: Integer Overflow or Wraparound

An integer overflow was found in the QEMU implementation of VMWare's paravirtual RDMA device in versions prior to 6.1.0. The issue occurs while handling a "PVRDMAREGDSRHIGH" write from the guest due to improper input validation. This flaw allows a privileged guest user to make QEMU allocate a lar...

CVE-2021-3608: Access of Uninitialized Pointer

A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device in versions prior to 6.1.0. The issue occurs while handling a "PVRDMAREGDSRHIGH" write from the guest and may result in a crash of QEMU or cause undefined behavior due to the access of an uninitialized pointer. The...

UBUNTU-CVE-2021-3608

A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device in versions prior to 6.1.0. The issue occurs while handling a "PVRDMAREGDSRHIGH" write from the guest and may result in a crash of QEMU or cause undefined behavior due to the access of an uninitialized pointer. The...