UbuntuUSN-4683-1Linux kernel (OEM) vulnerability
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:P/I:P/A:C
CVSS3
Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
HIGH
CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:H
AI Score
Confidence
High
EPSS
Percentile
5.1%
Releases
- Ubuntu 20.04 LTS
Packages
- linux-oem-5.6 - Linux kernel for OEM systems
Details
Minh Yuan discovered that the framebuffer console driver in the Linux
kernel did not properly handle fonts in some conditions. A local attacker
could use this to cause a denial of service (system crash) or possibly
expose sensitive information (kernel memory).
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Ubuntu | 20.04 | noarch | linux-image-5.6.0-1039-oem | < 5.6.0-1039.43 | UNKNOWN |
| Ubuntu | 20.04 | noarch | linux-image-5.6.0-1039-oem-dbgsym | < 5.6.0-1039.43 | UNKNOWN |
| Ubuntu | 20.04 | noarch | linux-image-oem-20.04 | < 5.6.0.1039.37 | UNKNOWN |
| Ubuntu | 20.04 | noarch | linux-headers-oem-20.04 | < 5.6.0.1039.37 | UNKNOWN |
| Ubuntu | 20.04 | noarch | linux-oem-20.04 | < 5.6.0.1039.37 | UNKNOWN |
| Ubuntu | 20.04 | noarch | linux-tools-oem-20.04 | < 5.6.0.1039.37 | UNKNOWN |
References
Related
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:P/I:P/A:C
CVSS3
Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
HIGH
CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:H
AI Score
Confidence
High
EPSS
Percentile
5.1%