Red Hat Enterprise Linux 8 update for linux-firmware



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-31346
CWE-ID CWE-665
Exploitation vector Local
Public exploit N/A
Vulnerable software
Subscribe 		Red Hat Enterprise Linux Server - AUS
Operating systems & Components / Operating system

linux-firmware (Red Hat package)
Operating systems & Components / Operating system package or component

Vendor Red Hat Inc.

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper Initialization

EUVDB-ID: #VU94741

Risk: Low

CVSSv3.1: 2.8 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-31346

CWE-ID: CWE-665 - Improper Initialization

Exploit availability: No

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to improper initialization in SEV Firmware. A local user can run a specially crafted application to access stale data from other guests.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux Server - AUS: 8.2

linux-firmware (Red Hat package): before 20240715-102.2.git4c8fb21e.el8_2

CPE2.3 External links

http://access.redhat.com/errata/RHSA-2024:5883


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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