Red Hat Enterprise Linux 8 update for edk2

Published: 2024-10-15

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-45232 CVE-2023-45233
CWE-ID	CWE-835
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Red Hat Enterprise Linux for ARM 64 - Extended Update Support Operating systems & Components / Operating system Red Hat Enterprise Linux for x86_64 - Extended Update Support Operating systems & Components / Operating system edk2 (Red Hat package) Operating systems & Components / Operating system package or component
Vendor	Red Hat Inc.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Infinite loop

EUVDB-ID: #VU85522

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-45232

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to infinite loop when parsing unknown options in the Destination Options header of IPv6. A remote attacker can consume all available system resources and cause denial of service conditions.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 8.8

Red Hat Enterprise Linux for x86_64 - Extended Update Support: 8.8

edk2 (Red Hat package): before 20220126gitbb1bba3d77-4.el8_8.6

CPE2.3

External links

http://access.redhat.com/errata/RHSA-2024:8104

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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

2) Infinite loop

EUVDB-ID: #VU85523