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osvGoogleOSV:ALSA-2023:0099
HistoryJan 12, 2023 - 12:00 a.m.

Moderate: virt:rhel and virt-devel:rhel security and bug fix update

2023-01-1200:00:00
Google
osv.dev
14
kvm linux qemu cve-2022-4144 libvirt bz#2132176 bz#2148504

CVSS3

6.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.8

Confidence

High

EPSS

0

Percentile

14.2%

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 virtualized systems.

Security Fix(es):

  • QEMU: QXL: qxl_phys2virt unsafe address translation can lead to out-of-bounds read (CVE-2022-4144)

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):

  • libvirt kills virtual machine on restart when 2M and 1G hugepages are mounted (BZ#2132176)
  • VMs hung on vnc_clipboard_send (BZ#2148504)

CVSS3

6.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.8

Confidence

High

EPSS

0

Percentile

14.2%