Description
EDK2 is susceptible to a vulnerability in the CreateHob() function, allowing a user to trigger a integer overflow to buffer overflow via a local network. Successful exploitation of this vulnerability may result in a compromise of confidentiality, integrity, and/or availability.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| TianoCore | edk2 | ≤ 202311 | — |
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 | 2023.11-5 | — |
| Debian 13 | edk2 | 2023.11-5 | — |
| Debian 12 | edk2 | 2022.11-6+deb12u1 | — |
| Debian 11 | edk2 | 2020.11-2+deb11u3 | DLA-4207-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | edk2 | 2022.02-3ubuntu0.22.04.2 | USN-6638-1 |
| Ubuntu 20.04 LTS | edk2 | 0~20191122.bd85bf54-2ubuntu3.5 | USN-6638-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| 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 | RHSA-2024:3017 |
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 | ALSA-2024:3017 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | edk2 | 20220126gitbb1bba3d77-13.el8_10 | RLSA-2024:3017 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP6 | ovmf | 202308-150600.5.25.1 | SUSE-SU-2026:0120-1 |
| SLES 15 SP5 | ovmf | 202208-150500.6.12.1 | SUSE-SU-2026:0213-1 |
| SLES 15 SP4 | ovmf | 202202-150400.5.21.1 | SUSE-SU-2026:0212-1 |
| SLES 12 SP5 | ovmf | 2017+git1510945757.b2662641d5-3.49.1 | SUSE-SU-2026:0121-1 |
Show 9 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP6 | ovmf | 202308-150600.5.25.1 | SUSE-SU-2026:0120-1 |
| SLES for SAP 15 SP5 | ovmf | 202208-150500.6.12.1 | SUSE-SU-2026:0213-1 |
| SLES for SAP 15 SP4 | ovmf | 202202-150400.5.21.1 | SUSE-SU-2026:0212-1 |
| SLE Micro 6.0 | ovmf | 202305-3.1 | SUSE-SU-2026:20246-1 |
| SLE Micro 5.5 | ovmf | 202208-150500.6.12.1 | SUSE-SU-2026:0213-1 |
| SLE Micro 5.4 | ovmf | 202202-150400.5.21.1 | SUSE-SU-2026:0212-1 |
| SLE Micro 5.3 | ovmf | 202202-150400.5.21.1 | SUSE-SU-2026:0212-1 |
| SLE HPC 15 SP5 | ovmf | 202208-150500.6.12.1 | SUSE-SU-2026:0213-1 |
| SLE HPC 15 SP4 | ovmf | 202202-150400.5.21.1 | SUSE-SU-2026:0212-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.6 | ovmf | 202308-150600.5.25.1 | SUSE-SU-2026:0120-1 |
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-2024-23120, ELSA-2024-12409, ELSA-2024-4749 |
| Oracle Linux 8 | edk2-ovmf +1 | 20220126gitbb1bba3d77-13.el8_10 | ELSA-2024-12343, ELSA-2024-3017 |
| Oracle Linux 8 | edk2-tools | 1:20240227-5.el8 | ELSA-2024-20865 |
| Oracle Linux 7 | OVMF +1 | 1:1.7.0-5.el7 | ELSA-2024-12408 |
Advisories 20
- WID-SEC-2024-0050 Insyde UEFI Firmware: Mehrere Schwachstellen ermöglichen Codeausführung BSI CERT-Bund (WID) · Nov 4, 2026
- ALSA-2024:4749 Moderate: edk2 security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2024:3017 Important: edk2 security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2024:4749 Red Hat Security Advisory: edk2 security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2024:3017 Red Hat Security Advisory: edk2 security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- USN-6638-1 edk2 vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- SUSE-SU-2026:0213-1 Security update for ovmf SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2026:0212-1 Security update for ovmf SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2026:20246-1 Security update for ovmf SUSE / openSUSE Security Updates · Mar 23, 2026
- DLA-4207-1 edk2 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2026:0120-1 Security update for ovmf SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2026:0121-1 Security update for ovmf SUSE / openSUSE Security Updates · Jan 14, 2026
- RLSA-2024:3017 Important: edk2 security update Rocky Linux Security Advisories · May 7, 2025
- ELSA-2024-4749 Moderate: edk2 security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Jul 24, 2024
- ELSA-2024-12408 Important: edk2 security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jun 4, 2024
- ELSA-2024-12409 Important: edk2 security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Jun 3, 2024
- ELSA-2024-23120 Important: edk2 security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Jun 3, 2024
- ELSA-2024-3017 Important: edk2 security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · May 23, 2024
- ELSA-2024-12343 Moderate: edk2 security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Apr 24, 2024
- ELSA-2024-20865 Moderate: edk2 security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Apr 24, 2024