Description
Incorrect calculation in microcode keying mechanism for some 3rd Generation Intel(R) Xeon(R) Scalable Processors may allow a privileged user to potentially enable information disclosure via local access.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | 3rd Generation Intel(R) Xeon(R) Scalable Processors | See references | — |
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 | intel-microcode | 3.20230214.1 | — |
| Debian 13 | intel-microcode | 3.20230214.1 | — |
| Debian 12 | intel-microcode | 3.20230214.1 | — |
| Debian 10 | intel-microcode | 3.20230214.1~deb10u1 | DLA-3379-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | intel-microcode | 3.20230214.0ubuntu0.22.04.1 | USN-5886-1 |
| Ubuntu 20.04 LTS | intel-microcode | 3.20230214.0ubuntu0.20.04.1 | USN-5886-1 |
| Ubuntu 18.04 LTS | intel-microcode | 3.20230214.0ubuntu0.18.04.1 | USN-5886-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | intel-microcode | 3.20230214.0ubuntu0.16.04.1+esm1 | USN-5886-1 |
| Ubuntu Pro 14.04 LTS | intel-microcode | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP5 | ucode-intel | 20230512-150200.24.1 | SUSE-SU-2023:2243-1 |
| SLES 15 SP4 | ucode-intel | 20230512-150200.24.1 | SUSE-SU-2023:2243-1 |
| SLES 15 SP3 | ucode-intel | 20230512-150200.24.1 | SUSE-SU-2023:2243-1 |
| SLES 15 SP2 | ucode-intel | 20230512-150200.24.1 | SUSE-SU-2023:2243-1 |
| SLES 15 SP1 | ucode-intel | 20230512-150100.3.220.1 | SUSE-SU-2023:2244-1 |
Show 22 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP5 | ucode-intel | 20230512-3.52.1 | SUSE-SU-2023:2289-1 |
| SLES 12 SP4 | ucode-intel | 20230512-13.107.1 | SUSE-SU-2023:2290-1 |
| SLES 12 SP2 | ucode-intel | 20230512-13.107.1 | SUSE-SU-2023:2290-1 |
| SLES for SAP 15 SP3 | ucode-intel | 20230512-150200.24.1 | SUSE-SU-2023:2243-1 |
| SLES for SAP 15 SP2 | ucode-intel | 20230512-150200.24.1 | SUSE-SU-2023:2243-1 |
| SLES for SAP 15 SP1 | ucode-intel | 20230512-150100.3.220.1 | SUSE-SU-2023:2244-1 |
| SLES for SAP 12 SP5 | ucode-intel | 20230512-3.52.1 | SUSE-SU-2023:2289-1 |
| SLES for SAP 12 SP4 | ucode-intel | 20230512-13.107.1 | SUSE-SU-2023:2290-1 |
| SLE Real Time 15 SP3 | ucode-intel | 20230512-150200.24.1 | SUSE-SU-2023:2243-1 |
| SLE Micro 5.4 | ucode-intel | 20230512-150200.24.1 | SUSE-SU-2023:2243-1 |
| SLE Micro 5.3 | ucode-intel | 20230512-150200.24.1 | SUSE-SU-2023:2243-1 |
| SLE Micro 5.2 | ucode-intel | 20230512-150200.24.1 | SUSE-SU-2023:2243-1 |
| SLE Micro 5.1 | ucode-intel | 20230512-150200.24.1 | SUSE-SU-2023:2243-1 |
| SLE HPC 15 SP3 | ucode-intel | 20230512-150200.24.1 | SUSE-SU-2023:2243-1 |
| SLE HPC 15 SP2 | ucode-intel | 20230512-150200.24.1 | SUSE-SU-2023:2243-1 |
| SLE HPC 15 SP1 | ucode-intel | 20230512-150100.3.220.1 | SUSE-SU-2023:2244-1 |
| SUSE OpenStack Cloud Crowbar 9 | ucode-intel | 20230512-13.107.1 | SUSE-SU-2023:2290-1 |
| SUSE OpenStack Cloud 9 | ucode-intel | 20230512-13.107.1 | SUSE-SU-2023:2290-1 |
| SUSE Manager Server 4.2 | ucode-intel | 20230512-150200.24.1 | SUSE-SU-2023:2243-1 |
| SUSE Manager Proxy 4.2 | ucode-intel | 20230512-150200.24.1 | SUSE-SU-2023:2243-1 |
| SUSE Enterprise Storage 7.1 | ucode-intel | 20230512-150200.24.1 | SUSE-SU-2023:2243-1 |
| SUSE Enterprise Storage 7 | ucode-intel | 20230512-150200.24.1 | SUSE-SU-2023:2243-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | ucode-intel | 20230214-2.1 | openSUSE-SU-2024:12806-1 |
| openSUSE Leap 15.5 | ucode-intel | 20230512-150200.24.1 | SUSE-SU-2023:2243-2 |
| openSUSE Leap 15.4 | ucode-intel | 20230512-150200.24.1 | SUSE-SU-2023:2243-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap Micro 5.3 | ucode-intel | 20230512-150200.24.1 | SUSE-SU-2023:2243-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | microcode_ctl | 2:2.1-53.amzn2023.0.1 | ALAS2023-2023-189 |
| Amazon Linux 2 | microcode_ctl | 2:2.1-47.amzn2.0.15 | ALAS2-2023-2056 |
Advisories 13
- WID-SEC-2024-0794 Dell ECS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 11, 2026
- USN-5886-1 intel-microcode vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- DLA-3379-1 intel-microcode - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2023:2289-1 Security update for ucode-intel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:2243-1 Security update for ucode-intel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:2290-1 Security update for ucode-intel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:2243-2 Security update for ucode-intel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:2244-1 Security update for ucode-intel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:12806-1 ucode-intel-20230214-2.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2023-0377 Intel Prozessoren: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jan 22, 2026
- ALAS2-2023-2056 Moderate: microcode_ctl security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · May 9, 2024
- ALAS2023-2023-189 Moderate: microcode_ctl security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · May 9, 2024
- WID-SEC-2023-0393 Lenovo Computer: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 18, 2023