4.6 Medium
CVSS2
Attack Vector
LOCAL
Attack 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
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
0.0004 Low
EPSS
Percentile
5.1%
The daemon in GDM through 3.29.1 does not properly unexport display objects
from its D-Bus interface when they are destroyed, which allows a local
attacker to trigger a use-after-free via a specially crafted sequence of
D-Bus method calls, resulting in a denial of service or potential code
execution.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 18.04 | noarch | gdm3 | < 3.28.2-0ubuntu1.4 | UNKNOWN |
ubuntu | 18.10 | noarch | gdm3 | < 3.29.91-1ubuntu1 | UNKNOWN |
ubuntu | 19.04 | noarch | gdm3 | < 3.29.91-1ubuntu1 | UNKNOWN |
ubuntu | 19.10 | noarch | gdm3 | < 3.29.91-1ubuntu1 | UNKNOWN |
ubuntu | 20.04 | noarch | gdm3 | < 3.29.91-1ubuntu1 | UNKNOWN |
ubuntu | 20.10 | noarch | gdm3 | < 3.29.91-1ubuntu1 | UNKNOWN |
ubuntu | 21.04 | noarch | gdm3 | < 3.29.91-1ubuntu1 | UNKNOWN |
ubuntu | 21.10 | noarch | gdm3 | < 3.29.91-1ubuntu1 | UNKNOWN |
ubuntu | 22.04 | noarch | gdm3 | < 3.29.91-1ubuntu1 | UNKNOWN |
ubuntu | 22.10 | noarch | gdm3 | < 3.29.91-1ubuntu1 | UNKNOWN |
4.6 Medium
CVSS2
Attack Vector
LOCAL
Attack 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
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
0.0004 Low
EPSS
Percentile
5.1%