PT-2023-8396 · Edk2+12 · Edk2+12

Doug Flick + 1 · Published 2023-08-03 · Updated 2026-01-21 · CVE-2023-45233

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions EDK2 (affected versions not specified)

Description The issue is related to an infinite loop vulnerability in EDK2's Network Package when parsing a PadN option in the Destination Options header of IPv6. This can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Availability. The vulnerability is associated with the function Ip6IsOptionValid() and the processing of the PadN parameter.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Infinite Loop

Weakness Enumeration

CWE-835

Related Identifiers

ALSA-2024:2264

ALSA-2024:3017

ALSA-2024_2264

ALSA-2024_3017

ALSA-2025_16880

ALT-PU-2024-14732

ALT-PU-2024-14734

ALT-PU-2024-14950

AZL-38842

AZL-39355

AZL-39538

BDU:2024-00627

CESA-2024_3017

CVE-2023-45233

DLA-4207-1

DSA-5624-1

GHSA-HC6X-CW6P-GJ7H

INFSA-2024_2264

INFSA-2024_3017

OESA-2024-1314

OESA-2024-1315

OESA-2024-1316

OESA-2024-1317

OESA-2024-1318

OESA-2024-1319

OPENSUSE-SU-2025_0407-1

OPENSUSE-SU-2025_0421-1

OPENSUSE-SU-2025_0503-1

OPENSUSE-SU-2025_0752-1

RHSA-2024:2264

RHSA-2024:3017

RHSA-2024:8104

RHSA-2024_2264

RHSA-2024_3017

RLSA-2024:2264

SUSE-SU-2025:0407-1

SUSE-SU-2025:0421-1

SUSE-SU-2025:0503-1

SUSE-SU-2025:0752-1

SUSE-SU-2025_0421-1

SUSE-SU-2025_0503-1

SUSE-SU-2026:0196-1

USN-6638-1

Affected Products

Alt Linux

Almalinux

Astra Linux

Centos

Debian

Edk2

Linuxmint

Red Hat

Red Os

Rocky Linux

Suse

Ubuntu

Zvirt Node

References · 142

• 🔥 https://github.com/quarkslab/pixiefail/blob/main/pixiefail-CVE-2023-45233.py · Exploit
• https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-45232 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-4207-1 · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-00627 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-45234 · Security Note
• https://ubuntu.com/security/CVE-2023-45234 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-48733 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-45231 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-45233 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-38842 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-45233 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2024-12343.html · Vendor Advisory
• https://osv.dev/vulnerability/AZL-39538 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2024-23120.html · Vendor Advisory