Ubuntu.comUB:CVE-2022-1263CVE-2022-1263
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
1.7 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:S/C:N/I:N/A:P
0.0004 Low
EPSS
Percentile
5.3%
A NULL pointer dereference issue was found in KVM when releasing a vCPU
with dirty ring support enabled. This flaw allows an unprivileged local
attacker on the host to issue specific ioctl calls, causing a kernel oops
condition that results in a denial of service.
Notes
| Author | Note |
|---|---|
| sbeattie | PoC in oss-security post |
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 22.04 | noarch | linux | < 5.15.0-35.36 | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-aws | < 5.15.0-1009.11 | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-azure | < 5.15.0-1008.9 | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-azure-5.15 | < 5.15.0-1008.9~20.04.1 | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-azure-fde | < 5.15.0-1008.9 | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-azure-fde-5.15 | < 5.15.0-1008.9~20.04.1 | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-gcp | < 5.15.0-1006.9 | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-gke | < 5.15.0-1006.7 | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-hwe-5.15 | < 5.15.0-41.44~20.04.1 | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-ibm | < 5.15.0-1005.5 | UNKNOWN |
Related
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
1.7 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:S/C:N/I:N/A:P
0.0004 Low
EPSS
Percentile
5.3%