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ubuntuUbuntuUSN-6126-1
HistoryMay 31, 2023 - 12:00 a.m.

libvirt vulnerabilities

2023-05-3100:00:00
ubuntu.com
50
ubuntu 22.04 lts
libvirt
denial of service
cve-2022-0897
cve-2023-2700
sr-iov
pci device

4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5.6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

38.9%

Releases

  • Ubuntu 23.04
  • Ubuntu 22.10
  • Ubuntu 22.04 LTS

Packages

  • libvirt - Libvirt virtualization toolkit

Details

It was discovered that libvirt incorrectly handled the nwfilter driver. A
local attacker could possibly use this issue to cause libvirt to crash,
resulting in a denial of service. This issue only affected Ubuntu 22.04
LTS. (CVE-2022-0897)

It was discovered that libvirt incorrectly handled queries for the SR-IOV
PCI device capabilities. A local attacker could possibly use this issue to
cause libvirt to consume resources, leading to a denial of service.
(CVE-2023-2700)

4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5.6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

38.9%