vulnerability
Ubuntu: USN-7894-1 (CVE-2023-45236): EDK II vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:P/I:N/A:N) | Jan 16, 2024 | Jun 26, 2025 | Nov 28, 2025 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Published
Jan 16, 2024
Added
Jun 26, 2025
Modified
Nov 28, 2025
Description
EDK2's Network Package is susceptible to a predictable TCP Initial Sequence Number. This
vulnerability can be exploited by an attacker to gain unauthorized
access and potentially lead to a loss of Confidentiality.
Solutions
ubuntu-upgrade-ovmfubuntu-upgrade-ovmf-ia32ubuntu-upgrade-qemu-efiubuntu-upgrade-qemu-efi-aarch64ubuntu-upgrade-qemu-efi-armubuntu-upgrade-qemu-efi-loongarch64ubuntu-upgrade-qemu-efi-riscv64
References
- CVE-2023-45236
- https://attackerkb.com/topics/CVE-2023-45236
- CWE-200
- CWE-338
- UBUNTU-USN-7894-1
- URL-https://blog.quarkslab.com/pixiefail-nine-vulnerabilities-in-tianocores-edk-ii-ipv6-network-stack.html
- URL-https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h
- URL-https://ubuntu.com/security/notices/USN-7894-1
- URL-https://www.cve.org/CVERecord?id=CVE-2023-45236
- URL-https://www.openwall.com/lists/oss-security/2024/01/16/2
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