Description
Improper isolation in the Intel(R) Core(TM) Ultra Processor stream cache mechanism may allow an authenticated user to potentially enable escalation of privilege via local access.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | Intel(R) Core(TM) Ultra Processor stream cache mechanism | 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 | 3.20240813.1 | — |
| Debian 13 | intel-microcode | 3.20240813.1 | — |
| Debian 12 | intel-microcode | 3.20240813.1~deb12u1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | intel-microcode | 3.20240813.0ubuntu0.24.04.2 | USN-6967-1 |
| Ubuntu 22.04 LTS | intel-microcode | 3.20240813.0ubuntu0.22.04.2 | USN-6967-1 |
| Ubuntu 20.04 LTS | intel-microcode | 3.20240813.0ubuntu0.20.04.2 | USN-6967-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | intel-microcode | 3.20240813.0ubuntu0.18.04.1+esm2 | USN-6967-1 |
| Ubuntu Pro 16.04 LTS | intel-microcode | 3.20240813.0ubuntu0.16.04.1+esm2 | USN-6967-1 |
| Ubuntu Pro 14.04 LTS | intel-microcode | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP6 | ucode-intel | 20240813-150200.44.1 | SUSE-SU-2024:3095-1 |
| SLES 15 SP5 | ucode-intel | 20240813-150200.44.1 | SUSE-SU-2024:3095-1 |
| SLES 15 SP4 | ucode-intel | 20240813-150200.44.1 | SUSE-SU-2024:3095-1 |
| SLES 15 SP3 | ucode-intel | 20240813-150200.44.1 | SUSE-SU-2024:3095-1 |
| SLES 15 SP2 | ucode-intel | 20240813-150200.44.1 | SUSE-SU-2024:3095-1 |
Show 17 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP5 | ucode-intel | 20240813-140.1 | SUSE-SU-2024:2941-1 |
| SLES 11 SP4 | microcode_ctl | 1.17-102.83.81.1 | SUSE-SU-2025:1032-1 |
| SLES for SAP 15 SP4 | ucode-intel | 20240813-150200.44.1 | SUSE-SU-2024:3095-1 |
| SLES for SAP 15 SP3 | ucode-intel | 20240813-150200.44.1 | SUSE-SU-2024:3095-1 |
| SLES for SAP 15 SP2 | ucode-intel | 20240813-150200.44.1 | SUSE-SU-2024:3095-1 |
| SLES for SAP 12 SP5 | ucode-intel | 20240813-140.1 | SUSE-SU-2024:2941-1 |
| SLE Micro 5.5 | ucode-intel | 20240813-150200.44.1 | SUSE-SU-2024:3095-1 |
| SLE Micro 5.4 | ucode-intel | 20240813-150200.44.1 | SUSE-SU-2024:3095-1 |
| SLE Micro 5.3 | ucode-intel | 20240813-150200.44.1 | SUSE-SU-2024:3095-1 |
| SLE Micro 5.2 | ucode-intel | 20240813-150200.44.1 | SUSE-SU-2024:3095-1 |
| SLE Micro 5.1 | ucode-intel | 20240813-150200.44.1 | SUSE-SU-2024:3095-1 |
| SLE HPC 15 SP4 | ucode-intel | 20240813-150200.44.1 | SUSE-SU-2024:3095-1 |
| SLE HPC 15 SP3 | ucode-intel | 20240813-150200.44.1 | SUSE-SU-2024:3095-1 |
| SLE HPC 15 SP2 | ucode-intel | 20240813-150200.44.1 | SUSE-SU-2024:3095-1 |
| SUSE Manager Server 4.3 | ucode-intel | 20240813-150200.44.1 | SUSE-SU-2024:3095-1 |
| SUSE Manager Proxy 4.3 | ucode-intel | 20240813-150200.44.1 | SUSE-SU-2024:3095-1 |
| SUSE Enterprise Storage 7.1 | ucode-intel | 20240813-150200.44.1 | SUSE-SU-2024:3095-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | ucode-intel | 20240813-1.1 | openSUSE-SU-2024:14268-1 |
| openSUSE Leap 15.6 | ucode-intel | 20240813-150200.44.1 | SUSE-SU-2024:3095-1 |
| openSUSE Leap 15.5 | ucode-intel | 20240813-150200.44.1 | SUSE-SU-2024:3095-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap Micro 5.5 | ucode-intel | 20240813-150200.44.1 | SUSE-SU-2024:3095-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | intel-ucode | 20240813-r0 | — |
| Alpine v3.23 | intel-ucode | 20240813-r0 | — |
| Alpine v3.22 | intel-ucode | 20240813-r0 | — |
| Alpine v3.21 | intel-ucode | 20240813-r0 | — |
| Alpine v3.20 | intel-ucode | 20240813-r0 | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | intel-ucode | 20240813-r0 | — |
| Alpine v3.18 | intel-ucode | 20240813-r0 | — |
| Alpine v3.17 | intel-ucode | 20240813-r0 | — |
Advisories 6
- USN-6967-1 intel-microcode vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- openSUSE-SU-2024:14268-1 ucode-intel-20240813-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:3095-1 Security update for ucode-intel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:2941-1 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
- WID-SEC-2024-1828 Intel Prozessor: Mehrere Schwachstellen BSI CERT-Bund (WID) · Mar 26, 2025