Description
Improper access control in the EDECCSSA user leaf function for some Intel(R) Processors with Intel(R) SGX may allow an authenticated user to potentially enable denial of service via local access.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | Intel(R) Processors with Intel(R) 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 | 3.20250211.1 | — |
| Debian 13 | intel-microcode | 3.20250211.1 | — |
| Debian 12 | intel-microcode | 3.20250211.1~deb12u1 | — |
| Debian 11 | intel-microcode | 3.20250211.1~deb11u1 | DLA-4095-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | intel-microcode | 3.20250211.0ubuntu0.24.04.1 | USN-7269-2 |
| Ubuntu 22.04 LTS | intel-microcode | 3.20250211.0ubuntu0.22.04.1 | USN-7269-1 |
| Ubuntu 20.04 LTS | intel-microcode | 3.20250211.0ubuntu0.20.04.1 | USN-7269-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | intel-microcode | 3.20250211.0ubuntu0.18.04.1+esm1 | USN-7269-1 |
| Ubuntu Pro 16.04 LTS | intel-microcode | 3.20250211.0ubuntu0.16.04.1+esm1 | USN-7269-1 |
| Ubuntu Pro 14.04 LTS | intel-microcode | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | microcode_ctl | 4:20250211-1.el8_10 | RHEA-2025:3114 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP6 | ucode-intel | 20250211-150200.53.1 | SUSE-SU-2025:0591-1 |
| SLES 15 SP5 | ucode-intel | 20250211-150200.53.1 | SUSE-SU-2025:0591-1 |
| SLES 15 SP4 | ucode-intel | 20250211-150200.53.1 | SUSE-SU-2025:0591-1 |
| SLES 15 SP3 | ucode-intel | 20250211-150200.53.1 | SUSE-SU-2025:0591-1 |
| SLES 12 SP5 | ucode-intel | 20250211-149.2 | SUSE-SU-2025:0569-1 |
Show 17 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 11 SP4 | microcode_ctl | 1.17-102.83.81.1 | SUSE-SU-2025:1032-1 |
| SLES for SAP 15 SP5 | ucode-intel | 20250211-150200.53.1 | SUSE-SU-2025:0591-1 |
| SLES for SAP 15 SP4 | ucode-intel | 20250211-150200.53.1 | SUSE-SU-2025:0591-1 |
| SLES for SAP 15 SP3 | ucode-intel | 20250211-150200.53.1 | SUSE-SU-2025:0591-1 |
| SLE Micro 6.1 | ucode-intel | 20250211-slfo.1.1_2.1 | SUSE-SU-2025:20286-1 |
| SLE Micro 6.0 | ucode-intel | 20250211-1.1 | SUSE-SU-2025:20158-1 |
| SLE Micro 5.5 | ucode-intel | 20250211-150200.53.1 | SUSE-SU-2025:0591-1 |
| SLE Micro 5.4 | ucode-intel | 20250211-150200.53.1 | SUSE-SU-2025:0591-1 |
| SLE Micro 5.3 | ucode-intel | 20250211-150200.53.1 | SUSE-SU-2025:0591-1 |
| SLE Micro 5.2 | ucode-intel | 20250211-150200.53.1 | SUSE-SU-2025:0591-1 |
| SLE Micro 5.1 | ucode-intel | 20250211-150200.53.1 | SUSE-SU-2025:0591-1 |
| SLE HPC 15 SP5 | ucode-intel | 20250211-150200.53.1 | SUSE-SU-2025:0591-1 |
| SLE HPC 15 SP4 | ucode-intel | 20250211-150200.53.1 | SUSE-SU-2025:0591-1 |
| SLE HPC 15 SP3 | ucode-intel | 20250211-150200.53.1 | SUSE-SU-2025:0591-1 |
| SUSE Manager Server 4.3 | ucode-intel | 20250211-150200.53.1 | SUSE-SU-2025:0591-1 |
| SUSE Manager Proxy 4.3 | ucode-intel | 20250211-150200.53.1 | SUSE-SU-2025:0591-1 |
| SUSE Enterprise Storage 7.1 | ucode-intel | 20250211-150200.53.1 | SUSE-SU-2025:0591-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | ucode-intel | 20250211-1.1 | openSUSE-SU-2025:14803-1 |
| openSUSE Leap 15.6 | ucode-intel | 20250211-150200.53.1 | SUSE-SU-2025:0591-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | intel-ucode | 20250211-r0 | — |
| Alpine v3.23 | intel-ucode | 20250211-r0 | — |
| Alpine v3.22 | intel-ucode | 20250211-r0 | — |
| Alpine v3.21 | intel-ucode | 20250211-r0 | — |
| Alpine v3.20 | intel-ucode | 20250211-r0 | — |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | intel-ucode | 20250211-r0 | — |
| Alpine v3.18 | intel-ucode | 20250211-r0 | — |
Advisories 11
- RHEA-2025:3114 Red Hat Enhancement Advisory: microcode_ctl bug fix and enhancement update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- USN-7269-1 intel-microcode vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- SUSE-SU-2025:20158-1 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-4095-1 intel-microcode - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-7269-2 intel-microcode vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2025:0569-1 Security update for ucode-intel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2025:0591-1 Security update for ucode-intel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2025:14803-1 ucode-intel-20250211-1.1 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
- WID-SEC-2025-0329 Intel Prozessoren: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 13, 2025