Description
Improper finite state machines (FSMs) in the hardware logic in some 4th and 5th Generation Intel(R) Xeon(R) Processors may allow an authorized user to potentially enable denial of service via local access.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | 4th and 5th Generation Intel(R) Xeon(R) 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 | 3.20241112.1 | — |
| Debian 13 | intel-microcode | 3.20241112.1 | — |
| Debian 12 | intel-microcode | 3.20241112.1~deb12u1 | — |
| Debian 11 | intel-microcode | 3.20241112.1~deb11u1 | DLA-4002-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | intel-microcode | 3.20241112.0ubuntu0.24.04.1 | USN-7149-1 |
| Ubuntu 22.04 LTS | intel-microcode | 3.20241112.0ubuntu0.22.04.1 | USN-7149-1 |
| Ubuntu 20.04 LTS | intel-microcode | 3.20241112.0ubuntu0.20.04.1 | USN-7149-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | intel-microcode | 3.20241112.0ubuntu0.18.04.1+esm1 | USN-7149-1 |
| Ubuntu Pro 16.04 LTS | intel-microcode | 3.20241112.0ubuntu0.16.04.1+esm1 | USN-7149-1 |
| Ubuntu Pro 14.04 LTS | intel-microcode | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP6 | ucode-intel | 20241112-150200.50.1 | SUSE-SU-2024:4053-1 |
| SLES 15 SP5 | ucode-intel | 20241112-150200.50.1 | SUSE-SU-2024:4053-1 |
| SLES 15 SP4 | ucode-intel | 20241112-150200.50.1 | SUSE-SU-2024:4053-1 |
| SLES 15 SP3 | ucode-intel | 20241112-150200.50.1 | SUSE-SU-2024:4053-1 |
| SLES 15 SP2 | ucode-intel | 20241112-150200.50.1 | SUSE-SU-2024:4053-1 |
Show 18 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP5 | ucode-intel | 20241112-146.1 | SUSE-SU-2024:3995-1 |
| SLES 11 SP4 | microcode_ctl | 1.17-102.83.81.1 | SUSE-SU-2025:1032-1 |
| SLES for SAP 15 SP4 | ucode-intel | 20241112-150200.50.1 | SUSE-SU-2024:4053-1 |
| SLES for SAP 15 SP3 | ucode-intel | 20241112-150200.50.1 | SUSE-SU-2024:4053-1 |
| SLES for SAP 15 SP2 | ucode-intel | 20241112-150200.50.1 | SUSE-SU-2024:4053-1 |
| SLE Micro 6.1 | ucode-intel | 20250211-slfo.1.1_2.1 | SUSE-SU-2025:20286-1 |
| SLE Micro 6.0 | ucode-intel | 20241112-1.1 | SUSE-SU-2025:20092-1 |
| SLE Micro 5.5 | ucode-intel | 20241112-150200.50.1 | SUSE-SU-2024:4053-1 |
| SLE Micro 5.4 | ucode-intel | 20241112-150200.50.1 | SUSE-SU-2024:4053-1 |
| SLE Micro 5.3 | ucode-intel | 20241112-150200.50.1 | SUSE-SU-2024:4053-1 |
| SLE Micro 5.2 | ucode-intel | 20241112-150200.50.1 | SUSE-SU-2024:4053-1 |
| SLE Micro 5.1 | ucode-intel | 20241112-150200.50.1 | SUSE-SU-2024:4053-1 |
| SLE HPC 15 SP4 | ucode-intel | 20241112-150200.50.1 | SUSE-SU-2024:4053-1 |
| SLE HPC 15 SP3 | ucode-intel | 20241112-150200.50.1 | SUSE-SU-2024:4053-1 |
| SLE HPC 15 SP2 | ucode-intel | 20241112-150200.50.1 | SUSE-SU-2024:4053-1 |
| SUSE Manager Server 4.3 | ucode-intel | 20241112-150200.50.1 | SUSE-SU-2024:4053-1 |
| SUSE Manager Proxy 4.3 | ucode-intel | 20241112-150200.50.1 | SUSE-SU-2024:4053-1 |
| SUSE Enterprise Storage 7.1 | ucode-intel | 20241112-150200.50.1 | SUSE-SU-2024:4053-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | ucode-intel | 20241112-1.1 | openSUSE-SU-2024:14496-1 |
| openSUSE Leap 15.6 | ucode-intel | 20241112-150200.50.1 | SUSE-SU-2024:4053-1 |
| openSUSE Leap 15.5 | ucode-intel | 20241112-150200.50.1 | SUSE-SU-2024:4053-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap Micro 5.5 | ucode-intel | 20241112-150200.50.1 | SUSE-SU-2024:4053-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | intel-ucode | 20241112-r0 | — |
| Alpine v3.23 | intel-ucode | 20241112-r0 | — |
| Alpine v3.22 | intel-ucode | 20241112-r0 | — |
| Alpine v3.21 | intel-ucode | 20241112-r0 | — |
| Alpine v3.20 | intel-ucode | 20241112-r0 | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | intel-ucode | 20241112-r0 | — |
| Alpine v3.18 | intel-ucode | 20241112-r0 | — |
| Alpine v3.17 | intel-ucode | 20241112-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | microcode_ctl | 2:2.1-53.amzn2023.0.9 | ALAS2023-2024-748 |
| Amazon Linux 2 | microcode_ctl | 2:2.1-47.amzn2.4.22 | ALAS2-2024-2682 |
Advisories 11
- USN-7149-1 intel-microcode vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- SUSE-SU-2025:20092-1 Security update for ucode-intel SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:20286-1 Security update for ucode-intel SUSE / openSUSE Security Updates · Mar 23, 2026
- DLA-4002-1 intel-microcode - security update Debian Security (DSA / DLA) · Mar 9, 2026
- WID-SEC-2024-3426 Intel Prozessor (Xeon): Mehrere Schwachstellen BSI CERT-Bund (WID) · Feb 16, 2026
- openSUSE-SU-2024:14496-1 ucode-intel-20241112-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:4053-1 Security update for ucode-intel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:3995-1 Security update for ucode-intel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2025:1032-1 Security update for microcode_ctl SUSE / openSUSE Security Updates · Feb 4, 2026
- ALAS2023-2024-748 Important: microcode_ctl security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Dec 5, 2024
- ALAS2-2024-2682 Important: microcode_ctl security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Dec 5, 2024