| ID |
CVE-2021-20196
|
| Summary |
A NULL pointer dereference flaw was found in the floppy disk emulator of QEMU. This issue occurs while processing read/write ioport commands if the selected floppy drive is not initialized with a block device. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability. |
| References |
|
| Vulnerable Configurations |
-
cpe:2.3:a:qemu:qemu:5.2.0:-:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:5.2.0:-:*:*:*:*:*:*
-
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
-
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
|
| CVSS |
| Base: | 2.1 (as of 12-02-2023 - 22:15) |
| Impact: | |
| Exploitability: | |
|
| CWE |
CWE-476 |
| CAPEC |
|
| Access |
| Vector | Complexity | Authentication |
| LOCAL |
LOW |
NONE |
|
| Impact |
| Confidentiality | Integrity | Availability |
| NONE |
NONE |
PARTIAL |
|
| cvss-vector
via4
|
AV:L/AC:L/Au:N/C:N/I:N/A:P
|
| Last major update |
12-02-2023 - 22:15 |
| Published |
26-05-2021 - 22:15 |
| Last modified |
12-02-2023 - 22:15 |
