Fedora 37 update for microcode_ctl



| Updated: 2023-11-20
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-23583
CWE-ID CWE-1281
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Fedora
Operating systems & Components / Operating system

microcode_ctl
Operating systems & Components / Operating system package or component

Vendor Fedoraproject

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Sequence of processor instructions leads to unexpected behavior

EUVDB-ID: #VU82351

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-23583

CWE-ID: CWE-1281 - Sequence of Processor Instructions Leads to Unexpected Behavior

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to an error related to processing of Sequence of processor instructions. A local user can execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 37

microcode_ctl: before 2.1-53.3.fc37

CPE2.3 External links

https://bodhi.fedoraproject.org/updates/FEDORA-2023-40e71fe5b9


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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