Description
Improper access control in 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 | 3.20230808.1 | — |
| Debian 13 | intel-microcode | 3.20230808.1 | — |
| Debian 12 | intel-microcode | 3.20230808.1~deb12u1 | DSA-5474-1 |
| Debian 11 | intel-microcode | 3.20230808.1~deb11u1 | DSA-5474-1 |
| Debian 10 | intel-microcode | 3.20230808.1~deb10u1 | DLA-3537-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | intel-microcode | 3.20230808.1 | — |
| Ubuntu 22.04 LTS | intel-microcode | 3.20230808.0ubuntu0.22.04.1 | USN-6286-1 |
| Ubuntu 20.04 LTS | intel-microcode | 3.20230808.0ubuntu0.20.04.1 | USN-6286-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | intel-microcode | 3.20230808.0ubuntu0.18.04.1+esm1 | USN-6286-1 |
| Ubuntu Pro 16.04 LTS | intel-microcode | 3.20230808.0ubuntu0.16.04.1+esm1 | USN-6286-1 |
| Ubuntu Pro 14.04 LTS | intel-microcode | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP5 | ucode-intel | 20230808-150200.27.1 | SUSE-SU-2023:3383-1 |
| SLES 15 SP4 | ucode-intel | 20230808-150200.27.1 | SUSE-SU-2023:3383-1 |
| SLES 15 SP3 | ucode-intel | 20230808-150200.27.1 | SUSE-SU-2023:3383-1 |
| SLES 15 SP2 | ucode-intel | 20230808-150200.27.1 | SUSE-SU-2023:3383-1 |
| SLES 15 SP1 | ucode-intel | 20230808-150100.3.223.1 | SUSE-SU-2023:3359-1 |
Show 17 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP5 | ucode-intel | 20230808-123.1 | SUSE-SU-2023:3382-1 |
| SLES 12 SP2 | ucode-intel | 20230808-13.110.1 | SUSE-SU-2023:3289-1 |
| SLES 11 SP4 | microcode_ctl | 1.17-102.83.81.1 | SUSE-SU-2025:1032-1 |
| SLES for SAP 15 SP3 | ucode-intel | 20230808-150200.27.1 | SUSE-SU-2023:3383-1 |
| SLES for SAP 15 SP2 | ucode-intel | 20230808-150200.27.1 | SUSE-SU-2023:3383-1 |
| SLES for SAP 15 SP1 | ucode-intel | 20230808-150100.3.223.1 | SUSE-SU-2023:3359-1 |
| SLES for SAP 12 SP5 | ucode-intel | 20230808-123.1 | SUSE-SU-2023:3382-1 |
| SLE Micro 5.4 | ucode-intel | 20230808-150200.27.1 | SUSE-SU-2023:3383-1 |
| SLE Micro 5.3 | ucode-intel | 20230808-150200.27.1 | SUSE-SU-2023:3383-1 |
| SLE Micro 5.2 | ucode-intel | 20230808-150200.27.1 | SUSE-SU-2023:3383-1 |
| SLE Micro 5.1 | ucode-intel | 20230808-150200.27.1 | SUSE-SU-2023:3383-1 |
| SLE HPC 15 SP3 | ucode-intel | 20230808-150200.27.1 | SUSE-SU-2023:3383-1 |
| SLE HPC 15 SP2 | ucode-intel | 20230808-150200.27.1 | SUSE-SU-2023:3383-1 |
| SLE HPC 15 SP1 | ucode-intel | 20230808-150100.3.223.1 | SUSE-SU-2023:3359-1 |
| SUSE Manager Server 4.2 | ucode-intel | 20230808-150200.27.1 | SUSE-SU-2023:3383-1 |
| SUSE Manager Proxy 4.2 | ucode-intel | 20230808-150200.27.1 | SUSE-SU-2023:3383-1 |
| SUSE Enterprise Storage 7.1 | ucode-intel | 20230808-150200.27.1 | SUSE-SU-2023:3383-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | ucode-intel | 20230808-1.1 | openSUSE-SU-2024:13115-1 |
| openSUSE Leap 15.5 | ucode-intel | 20230808-150200.27.1 | SUSE-SU-2023:3383-1 |
| openSUSE Leap 15.4 | ucode-intel | 20230808-150200.27.1 | SUSE-SU-2023:3383-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap Micro 5.4 | ucode-intel | 20230808-150200.27.1 | SUSE-SU-2023:3383-1 |
| openSUSE Leap Micro 5.3 | ucode-intel | 20230808-150200.27.1 | SUSE-SU-2023:3383-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | intel-ucode | 20230808-r0 | — |
| Alpine v3.23 | intel-ucode | 20230808-r0 | — |
| Alpine v3.22 | intel-ucode | 20230808-r0 | — |
| Alpine v3.21 | intel-ucode | 20230808-r0 | — |
| Alpine v3.20 | intel-ucode | 20230808-r0 | — |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | intel-ucode | 20230808-r0 | — |
| Alpine v3.18 | intel-ucode | 20230808-r0 | — |
| Alpine v3.17 | intel-ucode | 20230808-r0 | — |
| Alpine v3.16 | intel-ucode | 20230808-r0 | — |
| Alpine v3.15 | intel-ucode | 20230808-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | microcode_ctl | 2:2.1-53.amzn2023.0.3 | ALAS2023-2023-436 |
| Amazon Linux 2 | microcode_ctl | 2:2.1-47.amzn2.1.15 | ALAS2-2023-2195 |
Advisories 12
- USN-6286-1 intel-microcode vulnerabilities Ubuntu Security Notices (USN) · Oct 22, 2026
- DSA-5474-1 intel-microcode - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3537-1 intel-microcode - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2023:3382-1 Security update for ucode-intel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3383-1 Security update for ucode-intel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3289-1 Security update for ucode-intel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:13115-1 ucode-intel-20230808-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2025:1032-1 Security update for microcode_ctl SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3359-1 Security update for ucode-intel SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2023-2005 Intel Xeon Prozessoren: Mehrere Schwachstellen BSI CERT-Bund (WID) · Mar 26, 2025
- ALAS2-2023-2195 Moderate: microcode_ctl security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Mar 7, 2025
- ALAS2023-2023-436 Important: microcode_ctl security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Mar 27, 2024
References
- http://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00836.html
- https://www.debian.org/security/2023/dsa-5474
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OL7WI2TJCWSZIQP2RIOLWHOKLM25M44J/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HKREYYTWUY7ZDNIB2N6H5BUJ3LE5VZPE/
- https://lists.debian.org/debian-lts-announce/2023/08/msg00026.html
- https://security.netapp.com/advisory/ntap-20230824-0003/