PT-2022-35784 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v4.19.262 Description: The issue concerns the use of kvmalloc/kvfree for larger packets in vhost/vsock. The actual impact and attack plausibility have not yet been proven. Recommendations: For Linux Kernel...

AlmaLinux 8 : virt:rhel and virt-devel:rhel (5821) (ALSA-2022:5821)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2022:5821 advisory. QEMU: QXL: integer overflow in cursoralloc can lead to heap buffer overflow CVE-2021-4206 QEMU: QXL: double fetch in qxlcursor can lead to heap buffer...

Oracle Linux 8 : virt:ol / and / virt-devel:ol (ELSA-2022-5821)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2022-5821 advisory. libvirt 8.0.0-5.2.0.1 - Set SOURCEDATEEPOCH from changelog Orabug: 32019554 - Add runtime deps for pkg librbd1 = 1:10.2.5 Keshav Sharma 8.0.0-5.2.el8 -...

CentOS 8 : virt:rhel and virt-devel:rhel (CESA-2022:5821)

The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2022:5821 advisory. - QEMU: QXL: integer overflow in cursoralloc can lead to heap buffer overflow CVE-2021-4206 - QEMU: QXL: double fetch in qxlcursor can lead to heap...

virt:rhel and virt-devel:rhel security, bug fix, and enhancement update

An update is available for libguestfs, libnbd, libtpms, libguestfs-winsupport, nbdkit, supermin, libiscsi, hivex, libvirt, netcf, perl-Sys-Virt, seabios, qemu-kvm, swtpm, virt-v2v, sgabios, libvirt-dbus, libvirt-python. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS...

ALSA-2022:5821 Moderate: virt:rhel and virt-devel:rhel security, bug fix, and enhancement update

Kernel-based Virtual Machine KVM offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contains packages which provide user-space components used to run virtual machines using KVM. The packages also provide APIs for managing and interacting with the...

Huawei EulerOS: Security Advisory for qemu (EulerOS-SA-2022-2213)

The remote host is missing an update for the Huawei EulerOS 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...

Huawei EulerOS: Security Advisory for qemu (EulerOS-SA-2022-2194)

The remote host is missing an update for the Huawei EulerOS 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...

EulerOS Virtualization 2.9.0 : qemu (EulerOS-SA-2022-2213)

According to the versions of the qemu package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - An improper locking issue was found in the virStoragePoolLookupByTargetPath API of libvirt. It occurs in the...

Oracle Linux 9 : qemu-kvm (ELSA-2022-5263)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2022-5263 advisory. - Resolves: bz2075635 CVE-2022-26353 qemu-kvm: QEMU: virtio-net: map leaking on error during receive rhel-9 rhel-9.0.0.z - Resolves: bz2075640...

SUSE SLED15 / SLES15 Security Update : qemu (SUSE-SU-2022:2254-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:2254-1 advisory. - A flaw was found in the QXL display device emulation in QEMU. An integer overflow in the cursoralloc functio...

Moderate: Red Hat Security Advisory: qemu-kvm security and bug fix update

An update for qemu-kvm is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...

QEMU: vhost-vsock: missing virtqueue detach on error can lead to memory leak

A flaw was found in the vhost-vsock device of QEMU. In case of error, an invalid element was not detached from the virtqueue before freeing its memory, leading to memory leakage and other unexpected results...

Moderate: qemu-kvm security and bug fix update

Kernel-based Virtual Machine KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM. Security Fixes: QEMU: virtio-net: map leaking on error during receive CVE-2022-26353 QEMU:...

USN-5489-1: QEMU vulnerabilities

Alexander Bulekov discovered that QEMU incorrectly handled floppy disk emulation. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service, or possibly leak sensitive information. CVE-2021-3507 It was discovered that QEMU incorrectly...

USN-5489-1 qemu vulnerabilities

Alexander Bulekov discovered that QEMU incorrectly handled floppy disk emulation. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service, or possibly leak sensitive information. CVE-2021-3507 It was discovered that QEMU incorrectly...

Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS : QEMU vulnerabilities (USN-5489-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5489-1 advisory. Alexander Bulekov discovered that QEMU incorrectly handled floppy disk emulation. A privileged attacker inside the guest could us...

QEMU: vhost-vsock: missing virtqueue detach on error can lead to memory leak

A flaw was found in the vhost-vsock device of QEMU. In case of error, an invalid element was not detached from the virtqueue before freeing its memory, leading to memory leakage and other unexpected results...

RHEL 8 : virt:av and virt-devel:av (RHSA-2022:5002)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:5002 advisory. The Advanced Virtualization module provides the user-space component for running virtual machines that use KVM in environments managed by Re...

Oracle Linux 8 : kvm_utils (ELSA-2022-9460)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2022-9460 advisory. - A use-after-free vulnerability was found in the virtio-net device of QEMU. It could occur when the descriptor's address belongs to the non direct...