Description
Incorrect default permissions in some memory controller configurations for some Intel(R) Xeon(R) Processors when using Intel(R) Software Guard Extensions which may allow a privileged user to potentially enable escalation of privilege via local access.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | Intel(R) Xeon(R) Processors with Intel® Software Guard Extensions (SGX) | 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 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | microcode_ctl | 4:20230808-2.el9 | RHEA-2023:6637 |
| RHEL 8 | microcode_ctl | 4:20230808-2.el8 | RHEA-2023:7117 |
| RHEL 7 | microcode_ctl | 2:2.1-73.16.el7_9 | RHEA-2023:4636 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhev Hypervisor 4 | redhat-virtualization-host +1 | 4.5.3-202309130206_8.6 | RHSA-2023:5209 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP4 | ucode-intel | 20230214-150200.21.1 | SUSE-SU-2023:0568-1 |
| SLES 15 SP3 | ucode-intel | 20230214-150200.21.1 | SUSE-SU-2023:0568-1 |
| SLES 15 SP2 | ucode-intel | 20230214-150200.21.1 | SUSE-SU-2023:0568-1 |
| SLES 15 SP1 | ucode-intel | 20230214-150100.3.217.1 | SUSE-SU-2023:0454-1 |
| SLES 12 SP5 | ucode-intel | 20230214-3.49.1 | SUSE-SU-2023:0456-1 |
Show 20 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP4 | ucode-intel | 20230214-13.104.1 | SUSE-SU-2023:0455-1 |
| SLES 12 SP2 | ucode-intel | 20230214-13.104.1 | SUSE-SU-2023:0455-1 |
| SLES for SAP 15 SP3 | ucode-intel | 20230214-150200.21.1 | SUSE-SU-2023:0568-1 |
| SLES for SAP 15 SP2 | ucode-intel | 20230214-150200.21.1 | SUSE-SU-2023:0568-1 |
| SLES for SAP 15 SP1 | ucode-intel | 20230214-150100.3.217.1 | SUSE-SU-2023:0454-1 |
| SLES for SAP 12 SP5 | ucode-intel | 20230214-3.49.1 | SUSE-SU-2023:0456-1 |
| SLES for SAP 12 SP4 | ucode-intel | 20230214-13.104.1 | SUSE-SU-2023:0455-1 |
| SLE Real Time 15 SP3 | ucode-intel | 20230214-150200.21.1 | SUSE-SU-2023:0568-1 |
| SLE Micro 5.3 | ucode-intel | 20230214-150200.21.1 | SUSE-SU-2023:0568-1 |
| SLE Micro 5.2 | ucode-intel | 20230214-150200.21.1 | SUSE-SU-2023:0568-1 |
| SLE Micro 5.1 | ucode-intel | 20230214-150200.21.1 | SUSE-SU-2023:0568-1 |
| SLE HPC 15 SP3 | ucode-intel | 20230214-150200.21.1 | SUSE-SU-2023:0568-1 |
| SLE HPC 15 SP2 | ucode-intel | 20230214-150200.21.1 | SUSE-SU-2023:0568-1 |
| SLE HPC 15 SP1 | ucode-intel | 20230214-150100.3.217.1 | SUSE-SU-2023:0454-1 |
| SUSE OpenStack Cloud Crowbar 9 | ucode-intel | 20230214-13.104.1 | SUSE-SU-2023:0455-1 |
| SUSE OpenStack Cloud 9 | ucode-intel | 20230214-13.104.1 | SUSE-SU-2023:0455-1 |
| SUSE Manager Server 4.2 | ucode-intel | 20230214-150200.21.1 | SUSE-SU-2023:0568-1 |
| SUSE Manager Proxy 4.2 | ucode-intel | 20230214-150200.21.1 | SUSE-SU-2023:0568-1 |
| SUSE Enterprise Storage 7.1 | ucode-intel | 20230214-150200.21.1 | SUSE-SU-2023:0568-1 |
| SUSE Enterprise Storage 7 | ucode-intel | 20230214-150200.21.1 | SUSE-SU-2023:0568-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | ucode-intel | 20230214-1.1 | openSUSE-SU-2024:12704-1 |
| openSUSE Leap 15.4 | ucode-intel | 20230214-150200.21.1 | SUSE-SU-2023:0568-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap Micro 5.3 | ucode-intel | 20230214-150200.21.1 | SUSE-SU-2023:0568-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | intel-ucode | 20230214-r0 | — |
| Alpine v3.23 | intel-ucode | 20230214-r0 | — |
| Alpine v3.22 | intel-ucode | 20230214-r0 | — |
| Alpine v3.21 | intel-ucode | 20230214-r0 | — |
| Alpine v3.20 | intel-ucode | 20230214-r0 | — |
Show 6 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | intel-ucode | 20230214-r0 | — |
| Alpine v3.18 | intel-ucode | 20230214-r0 | — |
| Alpine v3.17 | intel-ucode | 20230214-r0 | — |
| Alpine v3.16 | intel-ucode | 20230214-r0 | — |
| Alpine v3.15 | intel-ucode | 20230214-r0 | — |
| Alpine v3.14 | intel-ucode | 20230214-r0 | — |
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 15
- RHSA-2023:5209 Red Hat Security Advisory: Red Hat Virtualization Host 4.4.z SP 1 security update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- WID-SEC-2024-0794 Dell ECS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 11, 2026
- RHEA-2023:7117 Red Hat Enhancement Advisory: microcode_ctl bug fix and enhancement update Red Hat Security Advisories (RHSA) · Aug 7, 2026
- RHEA-2023:6637 Red Hat Enhancement Advisory: microcode_ctl bug fix and enhancement update Red Hat Security Advisories (RHSA) · Aug 7, 2026
- RHEA-2023:4636 Red Hat Enhancement Advisory: microcode_ctl bug fix and enhancement update Red Hat Security Advisories (RHSA) · Aug 7, 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-2023:0568-1 Security update for ucode-intel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:12704-1 ucode-intel-20230214-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0456-1 Security update for ucode-intel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0455-1 Security update for ucode-intel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0454-1 Security update for ucode-intel SUSE / openSUSE Security Updates · May 2, 2025
- 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