Security update for ucode-intel
This update for ucode-intel fixes the following issues:
- Intel CPU Microcode was updated to the 20250812 release (bsc#1248438)
- CVE-2025-20109: Improper Isolation or Compartmentalization in the stream cache mechanism for some Intel Processors may allow an authenticated user to potentially enable escalation of privilege via local access.
- CVE-2025-22840: Sequence of processor instructions leads to unexpected behavior for some Intel Xeon 6 Scalable processors may allow an authenticated user to potentially enable escalation of privilege via local access
- CVE-2025-22839: Insufficient granularity of access control in the OOB-MSM for some Intel Xeon 6 Scalable processors may allow a privileged user to potentially enable escalation of privilege via adjacent access.
- CVE-2025-22889: Improper handling of overlap between protected memory ranges for some Intel Xeon 6 processor with Intel TDX may allow a privileged user to potentially enable escalation of privilege via local access.
- CVE-2025-20053: Improper buffer restrictions for some Intel Xeon Processor firmware with SGX enabled may allow a privileged user to potentially enable escalation of privilege via local access.
- CVE-2025-26403: Out-of-bounds write in the memory subsystem for some Intel Xeon 6 processors when using Intel SGX or Intel TDX may allow a privileged user to potentially enable escalation of privilege via local access.
- CVE-2025-32086: Improperly implemented security check for standard in the DDRIO configuration for some Intel Xeon 6 Processors when using Intel SGX or Intel TDX may allow a privileged user to potentially enable escalation of privilege via local access.
- Update for functional issues.
- Updated Platforms:
| Processor | Stepping | F-M-S/PI | Old Ver | New Ver | Products
|:---------------|:---------|:------------|:---------|:---------|:---------
| ARL-H | A1 | 06-c5-02/82 | 00000118 | 00000119 | Core Ultra Processor (Series 2)
| ARL-S/HX (8P) | B0 | 06-c6-02/82 | 00000118 | 00000119 | Core Ultra Processor (Series 2)
| EMR-SP | A1 | 06-cf-02/87 | 210002a9 | 210002b3 | Xeon Scalable Gen5
| GNR-AP/SP | B0 | 06-ad-01/95 | 010003a2 | 010003d0 | Xeon Scalable Gen6
| GNR-AP/SP | H0 | 06-ad-01/20 | 0a0000d1 | 0a000100 | Xeon Scalable Gen6
| ICL-D | B0 | 06-6c-01/10 | 010002d0 | 010002e0 | Xeon D-17xx, D-27xx
| ICX-SP | Dx/M1 | 06-6a-06/87 | 0d000404 | 0d000410 | Xeon Scalable Gen3
| LNL | B0 | 06-bd-01/80 | 0000011f | 00000123 | Core Ultra 200 V Series Processor
| MTL | C0 | 06-aa-04/e6 | 00000024 | 00000025 | Core™ Ultra Processor
| RPL-H/P/PX 6+8 | J0 | 06-ba-02/e0 | 00004128 | 00004129 | Core Gen13
| RPL-U 2+8 | Q0 | 06-ba-03/e0 | 00004128 | 00004129 | Core Gen13
| SPR-HBM | Bx | 06-8f-08/10 | 2c0003f7 | 2c000401 | Xeon Max
| SPR-SP | E4/S2 | 06-8f-07/87 | 2b000639 | 2b000643 | Xeon Scalable Gen4
| SPR-SP | E5/S3 | 06-8f-08/87 | 2b000639 | 2b000643 | Xeon Scalable Gen4
| SRF-SP | C0 | 06-af-03/01 | 03000341 | 03000362 | Xeon 6700-Series Processors with E-Cores
New Disclosures Updated in Prior Releases:
All ADL, RPL, SPR, EMR, MTL, ARL Microcode patches previously released in May 2025.
