FedoraFEDORA:3044520E3647[SECURITY] Fedora 39 Update: microcode_ctl-2.1-58.2.fc39
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
CVSS4
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
PASSIVE
CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:P/VC:H/SC:H/VI:H/SI:H/VA:H/SA:H
AI Score
Confidence
High
The microcode_ctl utility is a companion to the microcode driver written by Tigran Aivazian <tigran(a)aivazian.fsnet.co.uk>. The microcode update is volatile and needs to be uploaded on each system boot i.e. it doesn’t reflash your cpu permanently, reboot and it reverts back to the old microcode.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Fedora | 39 | any | microcode_ctl | < 2.1 | UNKNOWN |
Related
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
CVSS4
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
PASSIVE
CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:P/VC:H/SC:H/VI:H/SI:H/VA:H/SA:H
AI Score
Confidence
High