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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| TianoCore | edk2 | edk2-stable202308 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | edk2 | 2024.05-1 | — |
| Debian 13 | edk2 | 2024.05-1 | — |
| Debian 12 | edk2 | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | edk2 | 2024.02-2ubuntu0.6 | USN-7894-1 |
| Ubuntu 22.04 LTS | edk2 | 2022.02-3ubuntu0.22.04.4 | USN-7894-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | edk2 | No fix yet | — |
| Ubuntu Pro 18.04 LTS | edk2 | No fix yet | — |
| Ubuntu Pro 16.04 LTS | edk2 | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | edk2 +4 | 20231122-6.el9_4.2 | RHSA-2024:4749 |
| RHEL 8 | edk2 +2 | 20220126gitbb1bba3d77-13.el8_10.2 | RHSA-2024:5297 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9.2 EUS | edk2 +4 | 20221207gitfff6d81270b5-9.el9_2.3 | RHSA-2024:4419 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | edk2-ovmf +3 | 20231122-6.el9_4.2 | ALSA-2024:4749 |
| AlmaLinux 8 | edk2-ovmf +1 | 20220126gitbb1bba3d77-13.el8_10.2 | ALSA-2024:5297 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | edk2 | 20220126gitbb1bba3d77-13.el8_10.2 | RLSA-2024:5297 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP6 | ovmf | 202308-150600.5.9.1 | SUSE-SU-2025:0608-1, SUSE-SU-2025:0421-1 |
| SLES 15 SP5 | ovmf | 202208-150500.6.6.1 | SUSE-SU-2025:0609-1, SUSE-SU-2025:0407-1 |
| SLES 15 SP4 | ovmf | 202202-150400.5.15.1 | SUSE-SU-2025:0690-1, SUSE-SU-2025:0503-1 |
Show 9 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP5 | ovmf | 202208-150500.6.6.1 | SUSE-SU-2025:0609-1, SUSE-SU-2025:0407-1 |
| SLES for SAP 15 SP4 | ovmf | 202202-150400.5.15.1 | SUSE-SU-2025:0690-1, SUSE-SU-2025:0503-1 |
| SLE Micro 5.5 | ovmf | 202208-150500.6.6.1 | SUSE-SU-2025:0609-1, SUSE-SU-2025:0407-1 |
| SLE Micro 5.4 | ovmf | 202202-150400.5.15.1 | SUSE-SU-2025:0690-1, SUSE-SU-2025:0503-1 |
| SLE Micro 5.3 | ovmf | 202202-150400.5.15.1 | SUSE-SU-2025:0690-1, SUSE-SU-2025:0503-1 |
| SLE HPC 15 SP5 | ovmf | 202208-150500.6.6.1 | SUSE-SU-2025:0609-1, SUSE-SU-2025:0407-1 |
| SLE HPC 15 SP4 | ovmf | 202202-150400.5.15.1 | SUSE-SU-2025:0690-1, SUSE-SU-2025:0503-1 |
| SUSE Manager Server 4.3 | ovmf | 202202-150400.5.15.1 | SUSE-SU-2025:0690-1, SUSE-SU-2025:0503-1 |
| SUSE Manager Proxy 4.3 | ovmf | 202202-150400.5.15.1 | SUSE-SU-2025:0690-1, SUSE-SU-2025:0503-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | ovmf | 202405-1.1 | openSUSE-SU-2024:14336-1 |
| openSUSE Leap 15.6 | ovmf | 202308-150600.5.9.1 | SUSE-SU-2025:0608-1, SUSE-SU-2025:0421-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | edk2-ovmf +3 | 20240813-296.amzn2 | ALAS2-2024-2722 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | edk2 | 20240223gitedc6681206c1-1 | — |
| Azure Linux 2 (CBL-Mariner) | edk2 | 20230301gitf80f052277c8-40 | — |
| Azure Linux 2 (CBL-Mariner) | hvloader | 1.0.1-3 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | edk2-ovmf +3 | 20231122-6.0.1.el9_4.2 | ELSA-2024-12842, ELSA-2024-4749 |
| Oracle Linux 8 | edk2-ovmf +1 | 20220126gitbb1bba3d77-13.el8_10.2 | ELSA-2024-12795, ELSA-2024-5297 |
| Oracle Linux 8 | edk2-tools | 1:20240909-2.el8 | ELSA-2024-28600 |
| Oracle Linux 7 | OVMF +1 | 1:1.7.1-3.el7 | ELSA-2024-12794, ELSA-2024-12793 |
Advisories 25
- USN-7894-1 edk2 vulnerabilities Ubuntu Security Notices (USN) · Nov 9, 2026
- ALSA-2024:4749 Moderate: edk2 security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2024:5297 Moderate: edk2 security update AlmaLinux Security Advisories · Oct 29, 2026
- WID-SEC-2024-0126 EDK2 NetworkPkg IP stack implementation: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jul 9, 2026
- RHSA-2024:4419 Red Hat Security Advisory: edk2 security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2024:4749 Red Hat Security Advisory: edk2 security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- ICSA-26-141-02 ABB B&R PCs CISA ICS & IT advisories · May 21, 2026
- SA24P003 B&R PCs vulnerable to PixieFail attack ABB PSIRT · May 14, 2026
- RHSA-2024:5297 Red Hat Security Advisory: edk2 security update Red Hat Security Advisories (RHSA) · Mar 18, 2026
- SUSE-SU-2025:0503-1 Security update for ovmf SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2025:0608-1 Security update for ovmf SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2025:0609-1 Security update for ovmf SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2025:0421-1 Security update for ovmf SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:14336-1 ovmf-202405-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2025:0407-1 Security update for ovmf SUSE / openSUSE Security Updates · Feb 4, 2026
- RLSA-2024:5297 Moderate: edk2 security update Rocky Linux Security Advisories · May 7, 2025
- SUSE-SU-2025:0690-1 Security update for ovmf SUSE / openSUSE Security Updates · May 2, 2025
- ALAS2-2024-2722 Important: edk2 security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Dec 19, 2024
- ELSA-2024-12842 Moderate: edk2 security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Nov 22, 2024
- ELSA-2024-12794 Moderate: edk2 security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Oct 18, 2024
- ELSA-2024-12793 Moderate: edk2 security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Oct 18, 2024
- ELSA-2024-12795 Moderate: edk2 security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Oct 18, 2024
- ELSA-2024-28600 Moderate: edk2 security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Oct 18, 2024
- ELSA-2024-5297 Moderate: edk2 security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Aug 13, 2024
- ELSA-2024-4749 Moderate: edk2 security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Jul 24, 2024