6.7 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
7.1 High
AI Score
Confidence
High
4.6 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
0.0004 Low
EPSS
Percentile
12.6%
USN-4467-1 fixed vulnerabilities in QEMU. The fix for CVE-2020-13754
introduced a regression in certain environments. This update fixes the
problem.
We apologize for the inconvenience.
Original advisory details:
Ren Ding, Hanqing Zhao, Alexander Bulekov, and Anatoly Trosinenko
discovered that the QEMU incorrectly handled certain msi-x mmio operations.
An attacker inside a guest could possibly use this issue to cause QEMU to
crash, resulting in a denial of service. (CVE-2020-13754)
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Ubuntu | 20.10 | noarch | qemu | < 1:5.0-5ubuntu9.6 | UNKNOWN |
Ubuntu | 20.10 | noarch | qemu-block-extra | < 1:5.0-5ubuntu9.6 | UNKNOWN |
Ubuntu | 20.10 | noarch | qemu-block-extra-dbgsym | < 1:5.0-5ubuntu9.6 | UNKNOWN |
Ubuntu | 20.10 | noarch | qemu-guest-agent | < 1:5.0-5ubuntu9.6 | UNKNOWN |
Ubuntu | 20.10 | noarch | qemu-guest-agent-dbgsym | < 1:5.0-5ubuntu9.6 | UNKNOWN |
Ubuntu | 20.10 | noarch | qemu-kvm | < 1:5.0-5ubuntu9.6 | UNKNOWN |
Ubuntu | 20.10 | noarch | qemu-system | < 1:5.0-5ubuntu9.6 | UNKNOWN |
Ubuntu | 20.10 | noarch | qemu-system-arm | < 1:5.0-5ubuntu9.6 | UNKNOWN |
Ubuntu | 20.10 | noarch | qemu-system-arm-dbgsym | < 1:5.0-5ubuntu9.6 | UNKNOWN |
Ubuntu | 20.10 | noarch | qemu-system-common | < 1:5.0-5ubuntu9.6 | UNKNOWN |
6.7 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
7.1 High
AI Score
Confidence
High
4.6 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
0.0004 Low
EPSS
Percentile
12.6%