Description
Exposure of sensitive information caused by shared microarchitectural predictor state that influences transient execution for some Intel(R) Processors within VMX non-root (guest) operation may allow an information disclosure. Unprivileged software adversary with an authenticated user combined with a high complexity attack may enable data exposure. This result may potentially occur via local access when attack requirements are present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (high), integrity (none) and availability (none) of the vulnerable system, resulting in subsequent system confidentiality (high), integrity (none) and availability (none) impacts.
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 | 3.20260925.1 | — |
| Debian 13 | intel-microcode | No fix yet | — |
| Debian 12 | intel-microcode | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | intel-microcode | No fix yet | — |
| Ubuntu 26.04 LTS | intel-microcode | No fix yet | — |
| Ubuntu 25.10 | intel-microcode | No fix yet | — |
| Ubuntu 24.04 LTS | intel-microcode | No fix yet | — |
| Ubuntu 22.04 LTS | intel-microcode | No fix yet | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | intel-microcode | No fix yet | — |
| Ubuntu Pro 18.04 LTS | intel-microcode | No fix yet | — |
| Ubuntu Pro 16.04 LTS | intel-microcode | No fix yet | — |
| Ubuntu Pro 14.04 LTS | intel-microcode | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | ucode-intel | 20260512-150200.65.1 | SUSE-SU-2026:2963-1 |
| SLES 15 SP6 | ucode-intel | 20260512-150200.65.1 | SUSE-SU-2026:2963-1 |
| SLES 15 SP5 | ucode-intel | 20260512-150200.65.1 | SUSE-SU-2026:2963-1 |
| SLES 15 SP4 | ucode-intel | 20260512-150200.65.1 | SUSE-SU-2026:2963-1 |
| SLES 12 SP5 | ucode-intel | 20260512-161.1 | SUSE-SU-2026:2981-1 |
Show 12 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 11 SP4 | microcode_ctl | 1.17-102.83.95.1 | SUSE-SU-2026:3124-1 |
| SLES for SAP 16.0 | ucode-intel | 20260812-160000.1.1 | SUSE-SU-2026:23602-1 |
| SLES for SAP 15 SP6 | ucode-intel | 20260512-150200.65.1 | SUSE-SU-2026:2963-1 |
| SLES for SAP 15 SP5 | ucode-intel | 20260512-150200.65.1 | SUSE-SU-2026:2963-1 |
| SLES for SAP 15 SP4 | ucode-intel | 20260512-150200.65.1 | SUSE-SU-2026:2963-1 |
| SLES 16.0 | ucode-intel | 20260812-160000.1.1 | SUSE-SU-2026:23602-1 |
| SLE Micro 6.2 | ucode-intel | 20260812-160000.1.1 | SUSE-SU-2026:23459-1 |
| SLE Micro 5.5 | ucode-intel | 20260512-150200.65.1 | SUSE-SU-2026:2963-1 |
| SLE Micro 5.4 | ucode-intel | 20260512-150200.65.1 | SUSE-SU-2026:2963-1 |
| SLE Micro 5.3 | ucode-intel | 20260512-150200.65.1 | SUSE-SU-2026:2963-1 |
| SLE HPC 15 SP5 | ucode-intel | 20260512-150200.65.1 | SUSE-SU-2026:2963-1 |
| SLE HPC 15 SP4 | ucode-intel | 20260512-150200.65.1 | SUSE-SU-2026:2963-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | ucode-intel | 20260512-1.1 | openSUSE-SU-2026:10783-1 |
| openSUSE Leap 16.0 | ucode-intel | 20260812-160000.1.1 | openSUSE-SU-2026:21736-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | intel-ucode | 20260512-r0 | — |
| Alpine v3.23 | intel-ucode | 20260512-r0 | — |
| Alpine v3.22 | intel-ucode | 20260512-r0 | — |
| Alpine v3.21 | intel-ucode | 20260512-r0 | — |
| Alpine v3.20 | intel-ucode | 20260512-r0 | — |
Advisories 8
- SUSE-SU-2026:23602-1 Security update for ucode-intel SUSE / openSUSE Security Updates · Sep 29, 2026
- SUSE-SU-2026:23459-1 Security update for ucode-intel SUSE / openSUSE Security Updates · Sep 22, 2026
- openSUSE-SU-2026:21736-1 Security update for ucode-intel SUSE / openSUSE Security Updates · Sep 9, 2026
- SUSE-SU-2026:3124-1 Security update for microcode_ctl SUSE / openSUSE Security Updates · Jul 21, 2026
- WID-SEC-2026-1480 Intel Prozessor: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jul 20, 2026
- SUSE-SU-2026:2981-1 Security update for ucode-intel SUSE / openSUSE Security Updates · Jul 15, 2026
- SUSE-SU-2026:2963-1 Security update for ucode-intel SUSE / openSUSE Security Updates · Jul 15, 2026
- openSUSE-SU-2026:10783-1 ucode-intel-20260512-1.1 on GA media SUSE / openSUSE Security Updates · May 15, 2026