Description
Existing CommBuffer checks in SmmEntryPoint will not catch underflow when computing BufferSize.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| TianoCore | EDK II | edk2-stable202208 | — |
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 | 2022.11-1 | — |
| Debian 13 | edk2 | 2022.11-1 | — |
| Debian 12 | edk2 | 2022.11-1 | — |
| Debian 11 | edk2 | 2020.11-2+deb11u3 | DLA-4207-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | edk2 | 2022.02-3ubuntu0.22.04.3 | USN-7060-1 |
| Ubuntu 20.04 LTS | edk2 | 0~20191122.bd85bf54-2ubuntu3.6 | USN-7060-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | edk2 | 0~20180205.c0d9813c-2ubuntu0.3+esm2 | USN-7060-1 |
| Ubuntu Pro 16.04 LTS | edk2 | 0~20160408.ffea0a2c-2ubuntu0.2+esm3 | USN-7060-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | edk2 +4 | 20221207gitfff6d81270b5-9.el9_2 | RHSA-2023:2165 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | edk2-ovmf +3 | 20221207gitfff6d81270b5-9.el9_2 | ALSA-2023:2165 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP4 | ovmf | 202202-150400.5.10.1 | SUSE-SU-2023:2234-1 |
| SLES 15 SP3 | ovmf | 202008-150300.10.20.1 | SUSE-SU-2023:1958-1 |
| SLES 15 SP2 | ovmf | 201911-150200.7.27.1 | SUSE-SU-2023:1921-1 |
| SLES 15 SP1 | ovmf | 2017+git1510945757.b2662641d5-150000.5.46.1 | SUSE-SU-2023:1940-1 |
| SLES 12 SP5 | ovmf | 2017+git1510945757.b2662641d5-3.41.2 | SUSE-SU-2023:1941-1 |
Show 21 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP4 | ovmf | 2017+git1510945757.b2662641d5-3.41.2 | SUSE-SU-2023:1941-1 |
| SLES 12 SP2 | ovmf | 2015+git1462940744.321151f-19.26.1 | SUSE-SU-2023:1968-1 |
| SLES for SAP 15 SP3 | ovmf | 202008-150300.10.20.1 | SUSE-SU-2023:1958-1 |
| SLES for SAP 15 SP2 | ovmf | 201911-150200.7.27.1 | SUSE-SU-2023:1921-1 |
| SLES for SAP 15 SP1 | ovmf | 2017+git1510945757.b2662641d5-150000.5.46.1 | SUSE-SU-2023:1940-1 |
| SLES for SAP 12 SP5 | ovmf | 2017+git1510945757.b2662641d5-3.41.2 | SUSE-SU-2023:1941-1 |
| SLES for SAP 12 SP4 | ovmf | 2017+git1510945757.b2662641d5-3.41.2 | SUSE-SU-2023:1941-1 |
| SLE Real Time 15 SP3 | ovmf | 202008-150300.10.20.1 | SUSE-SU-2023:1958-1 |
| SLE Micro 5.4 | ovmf | 202202-150400.5.10.1 | SUSE-SU-2023:2234-1 |
| SLE Micro 5.3 | ovmf | 202202-150400.5.10.1 | SUSE-SU-2023:2234-1 |
| SLE Micro 5.2 | ovmf | 202008-150300.10.20.1 | SUSE-SU-2023:1958-1 |
| SLE Micro 5.1 | ovmf | 202008-150300.10.20.1 | SUSE-SU-2023:1958-1 |
| SLE HPC 15 SP3 | ovmf | 202008-150300.10.20.1 | SUSE-SU-2023:1958-1 |
| SLE HPC 15 SP2 | ovmf | 201911-150200.7.27.1 | SUSE-SU-2023:1921-1 |
| SLE HPC 15 SP1 | ovmf | 2017+git1510945757.b2662641d5-150000.5.46.1 | SUSE-SU-2023:1940-1 |
| SUSE OpenStack Cloud Crowbar 9 | ovmf | 2017+git1510945757.b2662641d5-3.41.2 | SUSE-SU-2023:1941-1 |
| SUSE OpenStack Cloud 9 | ovmf | 2017+git1510945757.b2662641d5-3.41.2 | SUSE-SU-2023:1941-1 |
| SUSE Manager Server 4.2 | ovmf | 202008-150300.10.20.1 | SUSE-SU-2023:1958-1 |
| SUSE Manager Proxy 4.2 | ovmf | 202008-150300.10.20.1 | SUSE-SU-2023:1958-1 |
| SUSE Enterprise Storage 7.1 | ovmf | 202008-150300.10.20.1 | SUSE-SU-2023:1958-1 |
| SUSE Enterprise Storage 7 | ovmf | 201911-150200.7.27.1 | SUSE-SU-2023:1921-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | ovmf | 202211-1.1 | openSUSE-SU-2024:12542-1 |
| openSUSE Leap 15.4 | ovmf | 202202-150400.5.10.1 | SUSE-SU-2023:2234-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap Micro 5.3 | ovmf | 202202-150400.5.10.1 | SUSE-SU-2023:2234-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | edk2-ovmf +3 | 20240813-296.amzn2 | ALAS2-2024-2722 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | edk2-ovmf +3 | 20221207gitfff6d81270b5-9.el9_2 | ELSA-2023-2165 |
Advisories 16
- ALSA-2023:2165 Important: edk2 security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2023:2165 Red Hat Security Advisory: edk2 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- USN-7060-1 edk2 vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- DLA-4207-1 edk2 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2023:1921-1 Security update for ovmf SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:1941-1 Security update for ovmf SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:1958-1 Security update for ovmf SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:1940-1 Security update for ovmf SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:2234-1 Security update for ovmf SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:12542-1 ovmf-202211-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:1968-1 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
- WID-SEC-2023-1315 Dell PowerEdge: Schwachstelle ermöglicht Erlangen von Administratorrechten BSI CERT-Bund (WID) · Sep 17, 2024
- ICSA-23-257-04 Siemens RUGGEDCOM APE1808 Products CISA ICS & IT advisories · Sep 12, 2023
- SSA-957369 SSA-957369: Insyde BIOS Vulnerabilities in RUGGEDCOM APE1808 Product Family Siemens ProductCERT · Sep 12, 2023
- ELSA-2023-2165 Important: edk2 security, bug fix, and enhancement update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · May 15, 2023