UbuntuUSN-5493-1Linux kernel vulnerability
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
6.4 Medium
AI Score
Confidence
High
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
0.0004 Low
EPSS
Percentile
13.3%
Releases
- Ubuntu 21.10
- Ubuntu 20.04 LTS
- Ubuntu 18.04 ESM
- Ubuntu 16.04 ESM
Packages
- linux - Linux kernel
- linux-hwe - Linux hardware enablement (HWE) kernel
Details
It was discovered that the 8 Devices USB2CAN interface implementation in
the Linux kernel did not properly handle certain error conditions, leading
to a double-free. A local attacker could possibly use this to cause a
denial of service (system crash).
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Ubuntu | 21.10 | noarch | linux-image-5.13.0-52-generic-64k | < 5.13.0-52.59 | UNKNOWN |
| Ubuntu | 21.10 | noarch | linux-image-5.13.0-52-generic | < 5.13.0-52.59 | UNKNOWN |
| Ubuntu | 21.10 | noarch | linux-image-5.13.0-52-generic-dbgsym | < 5.13.0-52.59 | UNKNOWN |
| Ubuntu | 21.10 | noarch | linux-image-5.13.0-52-lowlatency | < 5.13.0-52.59 | UNKNOWN |
| Ubuntu | 21.10 | noarch | linux-image-5.13.0-52-lowlatency-dbgsym | < 5.13.0-52.59 | UNKNOWN |
| Ubuntu | 21.10 | noarch | linux-image-virtual | < 5.13.0.52.58 | UNKNOWN |
| Ubuntu | 21.10 | noarch | linux-cloud-tools-generic | < 5.13.0.52.58 | UNKNOWN |
| Ubuntu | 21.10 | noarch | linux-cloud-tools-generic-hwe-20.04 | < 5.13.0.52.58 | UNKNOWN |
| Ubuntu | 21.10 | noarch | linux-cloud-tools-generic-hwe-20.04-edge | < 5.13.0.52.58 | UNKNOWN |
| Ubuntu | 21.10 | noarch | linux-cloud-tools-lowlatency | < 5.13.0.52.58 | UNKNOWN |
References
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
6.4 Medium
AI Score
Confidence
High
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
0.0004 Low
EPSS
Percentile
13.3%