Ubuntu.comUB:CVE-2021-20203CVE-2021-20203
3.2 Low
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L
2.1 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:N/I:N/A:P
0.001 Low
EPSS
Percentile
21.4%
An integer overflow issue was found in the vmxnet3 NIC emulator of the QEMU
for versions up to v5.2.0. It may occur if a guest was to supply invalid
values for rx/tx queue size or other NIC parameters. A privileged guest
user may use this flaw to crash the QEMU process on the host resulting in
DoS scenario.
Bugs
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 18.04 | noarch | qemu | < 1:2.11+dfsg-1ubuntu7.39 | UNKNOWN |
| ubuntu | 20.04 | noarch | qemu | < 1:4.2-3ubuntu6.21 | UNKNOWN |
| ubuntu | 21.10 | noarch | qemu | < 1:6.0+dfsg-2expubuntu1.2 | UNKNOWN |
| ubuntu | 22.04 | noarch | qemu | < 1:6.2+dfsg-2ubuntu5 | UNKNOWN |
| ubuntu | 22.10 | noarch | qemu | < 1:6.2+dfsg-2ubuntu5 | UNKNOWN |
| ubuntu | 23.04 | noarch | qemu | < 1:6.2+dfsg-2ubuntu5 | UNKNOWN |
| ubuntu | 23.10 | noarch | qemu | < 1:6.2+dfsg-2ubuntu5 | UNKNOWN |
| ubuntu | 14.04 | noarch | qemu | < any | UNKNOWN |
| ubuntu | 16.04 | noarch | qemu | < any | UNKNOWN |
Related
3.2 Low
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L
2.1 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:N/I:N/A:P
0.001 Low
EPSS
Percentile
21.4%