Description
Exposure of sensitive information caused by shared microarchitectural predictor state that influences transient execution in the indirect branch predictors for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | Intel(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 | 3.20250512.1 | — |
| Debian 13 | intel-microcode | 3.20250512.1 | — |
| Debian 12 | intel-microcode | 3.20250512.1~deb12u1 | DSA-5924-1 |
| Debian 11 | intel-microcode | 3.20250512.1~deb11u1 | DLA-4170-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | intel-microcode | 3.20250512.0ubuntu0.24.04.1 | USN-7535-1 |
| Ubuntu 22.04 LTS | intel-microcode | 3.20250512.0ubuntu0.22.04.1 | USN-7535-1 |
| Ubuntu 20.04 LTS | intel-microcode | 3.20250512.0ubuntu0.20.04.1 | USN-7535-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | intel-microcode | 3.20250512.0ubuntu0.18.04.1+esm1 | USN-7535-1 |
| Ubuntu Pro 16.04 LTS | intel-microcode | 3.20250512.0ubuntu0.16.04.1+esm1 | USN-7535-1 |
| Ubuntu Pro 14.04 LTS | intel-microcode | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | microcode_ctl | 4:20250211-1.20250512.1.el9_6 | RHBA-2025:9433 |
| RHEL 8 | microcode_ctl | 4:20250512-1.el8_10 | RHSA-2025:10991 |
Show 12 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9.4 EUS | microcode_ctl | 4:20230808-2.20250512.1.el9_4 | RHSA-2025:10101 |
| RHEL 9.2 E4S | microcode_ctl | 4:20220809-2.20250512.1.el9_2 | RHSA-2025:10102 |
| RHEL 9.0 E4S | microcode_ctl | 4:20220207-1.20250512.1.el9_0 | RHSA-2025:10103 |
| RHEL 8.8 TUS | microcode_ctl | 4:20220809-2.20250512.1.el8_8 | RHSA-2025:10162 |
| RHEL 8.8 E4S | microcode_ctl | 4:20220809-2.20250512.1.el8_8 | RHSA-2025:10162 |
| RHEL 8.6 TUS | microcode_ctl | 4:20220207-1.20250512.1.el8_6 | RHSA-2025:10109 |
| RHEL 8.6 E4S | microcode_ctl | 4:20220207-1.20250512.1.el8_6 | RHSA-2025:10109 |
| RHEL 8.6 AUS | microcode_ctl | 4:20220207-1.20250512.1.el8_6 | RHSA-2025:10109 |
| RHEL 8.4 AUS | microcode_ctl | 4:20210216-1.20250512.1.el8_4 | RHSA-2025:10107 |
| RHEL 8.2 AUS | microcode_ctl | 4:20191115-4.20250512.1.el8_2 | RHSA-2025:10126 |
| RHEL 7.7 AUS | microcode_ctl | 2:2.1-53.26.el7_7.1 | RHSA-2025:10111 |
| RHEL 7 ELS | microcode_ctl | 2:2.1-73.24.el7_9 | RHSA-2025:10108 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 8 | microcode_ctl | 4:20250512-1.el8_10 | ALSA-2025:10991 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | microcode_ctl | 4:20250512-1.el8_10 | RLSA-2025:10991 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | ucode-intel | 20250512-150200.56.1 | SUSE-SU-2025:01651-2 |
| SLES 15 SP6 | ucode-intel | 20250512-150200.56.1 | SUSE-SU-2025:01651-1 |
| SLES 15 SP5 | ucode-intel | 20250512-150200.56.1 | SUSE-SU-2025:01651-1 |
| SLES 15 SP4 | ucode-intel | 20250512-150200.56.1 | SUSE-SU-2025:01651-1 |
| SLES 15 SP3 | ucode-intel | 20250512-150200.56.1 | SUSE-SU-2025:01651-1 |
Show 18 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP5 | ucode-intel | 20250512-152.1 | SUSE-SU-2025:01650-1 |
| SLES 11 SP4 | microcode_ctl | 1.17-102.83.84.1 | SUSE-SU-2025:1567-1 |
| SLES for SAP 15 SP5 | ucode-intel | 20250512-150200.56.1 | SUSE-SU-2025:01651-1 |
| SLES for SAP 15 SP4 | ucode-intel | 20250512-150200.56.1 | SUSE-SU-2025:01651-1 |
| SLES for SAP 15 SP3 | ucode-intel | 20250512-150200.56.1 | SUSE-SU-2025:01651-1 |
| SLE Micro 6.1 | ucode-intel | 20250512-slfo.1.1_1.1 | SUSE-SU-2025:20424-1 |
| SLE Micro 6.0 | ucode-intel | 20250512-1.1 | SUSE-SU-2025:20410-1 |
| SLE Micro 5.5 | ucode-intel | 20250512-150200.56.1 | SUSE-SU-2025:01651-1 |
| SLE Micro 5.4 | ucode-intel | 20250512-150200.56.1 | SUSE-SU-2025:01651-1 |
| SLE Micro 5.3 | ucode-intel | 20250512-150200.56.1 | SUSE-SU-2025:01651-1 |
| SLE Micro 5.2 | ucode-intel | 20250512-150200.56.1 | SUSE-SU-2025:01651-1 |
| SLE Micro 5.1 | ucode-intel | 20250512-150200.56.1 | SUSE-SU-2025:01651-1 |
| SLE HPC 15 SP5 | ucode-intel | 20250512-150200.56.1 | SUSE-SU-2025:01651-1 |
| SLE HPC 15 SP4 | ucode-intel | 20250512-150200.56.1 | SUSE-SU-2025:01651-1 |
| SLE HPC 15 SP3 | ucode-intel | 20250512-150200.56.1 | SUSE-SU-2025:01651-1 |
| SUSE Manager Server 4.3 | ucode-intel | 20250512-150200.56.1 | SUSE-SU-2025:01651-1 |
| SUSE Manager Proxy 4.3 | ucode-intel | 20250512-150200.56.1 | SUSE-SU-2025:01651-1 |
| SUSE Enterprise Storage 7.1 | ucode-intel | 20250512-150200.56.1 | SUSE-SU-2025:01651-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | spectre-meltdown-checker | 26.36.0602723-1.1 | openSUSE-SU-2026:11242-1 |
| openSUSE Tumbleweed | ucode-intel | 20250512-1.1 | openSUSE-SU-2025:15093-1 |
| openSUSE Leap 15.6 | ucode-intel | 20250512-150200.56.1 | SUSE-SU-2025:01651-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | intel-ucode | 20250512-r0 | — |
| Alpine v3.23 | intel-ucode | 20250512-r0 | — |
| Alpine v3.22 | intel-ucode | 20250512-r0 | — |
| Alpine v3.21 | intel-ucode | 20250512-r0 | — |
| Alpine v3.20 | intel-ucode | 20250512-r0 | — |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | intel-ucode | 20250512-r0 | — |
| Alpine v3.18 | intel-ucode | 20250512-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | microcode_ctl | 2:2.1-53.amzn2023.0.12 | ALAS2023-2025-1189, ALAS2023-2025-991 |
| Amazon Linux 2 | microcode_ctl | 2:2.1-47.amzn2.4.24 | ALAS2-2025-2994, ALAS2-2025-2872 |
Advisories 30
- USN-7535-1 intel-microcode vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- ALSA-2025:10991 Moderate: microcode_ctl security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2025:10991 Red Hat Security Advisory: microcode_ctl security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2025:10162 Red Hat Security Advisory: microcode_ctl security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2025:10111 Red Hat Security Advisory: microcode_ctl security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2025:10126 Red Hat Security Advisory: microcode_ctl security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2025:10109 Red Hat Security Advisory: microcode_ctl security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2025:10107 Red Hat Security Advisory: microcode_ctl security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2025:10108 Red Hat Security Advisory: microcode_ctl security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2025:10102 Red Hat Security Advisory: microcode_ctl security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2025:10103 Red Hat Security Advisory: microcode_ctl security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2025:10101 Red Hat Security Advisory: microcode_ctl security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHBA-2025:9433 Red Hat Bug Fix Advisory: microcode_ctl bug fix and enhancement update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- openSUSE-SU-2026:11242-1 spectre-meltdown-checker-26.36.0602723-1.1 on GA media SUSE / openSUSE Security Updates · Jul 10, 2026
- WID-SEC-2025-1030 Intel Prozessoren: Mehrere Schwachstellen BSI CERT-Bund (WID) · May 5, 2026
- openSUSE-SU-2025:15093-1 ucode-intel-20250512-1.1 on GA media SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:01651-2 Security update for ucode-intel SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:20424-1 Security update for ucode-intel SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:01651-1 Security update for ucode-intel SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:20410-1 Security update for ucode-intel SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:01650-1 Security update for ucode-intel SUSE / openSUSE Security Updates · Mar 23, 2026
- DSA-5924-1 intel-microcode - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-4170-1 intel-microcode - security update Debian Security (DSA / DLA) · Mar 9, 2026
- WID-SEC-2025-1905 IBM QRadar SIEM Komponente: Mehrere Schwachstellen BSI CERT-Bund (WID) · Mar 4, 2026
- SUSE-SU-2025:1567-1 Security update for microcode_ctl SUSE / openSUSE Security Updates · Feb 4, 2026
- ALAS2-2025-2994 Important: microcode_ctl security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Sep 16, 2025
- ALAS2023-2025-1189 Important: microcode_ctl security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Sep 15, 2025
- RLSA-2025:10991 Moderate: microcode_ctl security update Rocky Linux Security Advisories · Jul 29, 2025
- ALAS2023-2025-991 Moderate: microcode_ctl security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Jun 2, 2025
- ALAS2-2025-2872 Moderate: microcode_ctl security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · May 29, 2025