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GoogleOSV:ALSA-2022:5263

HistoryJul 01, 2022 - 12:00 a.m.

Moderate: qemu-kvm security and bug fix update

2022-07-0100:00:00

Google

osv.dev

qemu-kvm

security

bug fix

virtualization

linux

architectures

cve-2022-26353

cve-2022-26354

almalinux 9.0

vsock device

migration

bz#2071102

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

AI Score

4.4

Confidence

High

EPSS

0.005

Percentile

77.4%

JSON

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 Fix(es):

QEMU: virtio-net: map leaking on error during receive (CVE-2022-26353)
QEMU: vhost-vsock: missing virtqueue detach on error can lead to memory leak (CVE-2022-26354)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Bug Fix(es):
AlmaLinux 9.0 guest with vsock device migration failed from AlmaLinux 9.0 > AlmaLinux 8.6 (BZ#2071102)