# CVE-2025-35979: ucode-intel: This update for ucode-intel fixes the following issue:  - CVE-2025-35979: data leaks fixed in 20260512 release (bsc#1...

CVE-2025-35979 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2025-35979, released May 12, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2025-35979
- Priority: Routine
- CVSS: n/a
- EPSS: 0.0010
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 12, 2026

## Description

This update for ucode-intel fixes the following issue:  - CVE-2025-35979: data leaks fixed in 20260512 release (bsc#1265189).  Other changes:  - Intel CPU Microcode was updated to the 20260512 release (bsc#1265189).        **New Platforms**    | Processor      | Stepping | F-M-S/PI    | Old Ver  | New Ver  | Products   |:---------------|:---------|:------------|:---------|:---------|:---------   | PTL 404        | A1       | 06-cc-03/90 |          | 0000011b | Intel Core Ultra Processor (Series 3)   | PTL-H 484/12Xe | A0/B0    | 06-cc-02/90 |          | 0000011b | Intel Core Ultra Processor (Series 3)    **Updated Platforms**    | Processor      | Stepping | F-M-S/PI    | Old Ver  | New Ver  | Products   |:---------------|:---------|:------------|:---------|:---------|:---------   | ARL-H          | A1       | 06-c5-02/82 | 0000011b | 00000121 | Core Ultra Processor (Series 2)   | ARL-S/HX (8P)  | B0       | 06-c6-02/82 | 0000011b | 00000121 | Core Ultra Processor (Series 2)   | EMR-SP         | A1       | 06-cf-02/87 | 210002d3 | 210002e0 | Xeon Scalable Gen5   | GNR-AP/SP      | Bx/Hx/Lx | 06-ad-01/95 | 01000405 | 01000423 | Xeon 6900/6700/6500 Series Processors with P-Cores   | GNR-D          | B0/B1    | 06-ae-01/97 | 01000303 | 01000307 | Xeon 6700P-B/6500P-B Series SoC with P-Cores   | GNR-SP R1S     | Bx/Hx/Lx | 06-ad-01/20 | 0a000133 | 0a000142 | Xeon 6700/6500-Series Processors with P-Cores   | LNL            | B0       | 06-bd-01/80 | 00000125 | 00000126 | Core Ultra 200 V Series Processor   | SPR-SP         | E4/S2    | 06-8f-07/87 | 2b000661 | 2b000670 | Xeon Scalable Gen4   | SPR-SP         | E5/S3    | 06-8f-08/87 | 2b000661 | 2b000670 | Xeon Scalable Gen4   | SRF-AP/SP      | C0       | 06-af-03/01 | 03000382 | 030003a3 | Xeon 6900/6700-Series Processors with E-Cores

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | intel-microcode Debian 14 | 3.20260925.1 | [DEBIAN-CVE-2025-35979](https://patchblox.com/security/data/fix/linux/debian-cve-2025-35979.md) | May 12, 2026 |
| Linux | ucode-intel opensuse-leap 16.0 | 20260812-160000.1.1 | [OPENSUSE-SU-2026:21736-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21736-1.md) | Sep 2, 2026 |
| Linux | ucode-intel sles 15.6 | 20260512-150200.65.1 | [SUSE-SU-2026:2963-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2963-1.md) | Jul 14, 2026 |
| Linux | ucode-intel sles 15.7 | 20260512-150200.65.1 | [SUSE-SU-2026:2963-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2963-1.md) | Jul 14, 2026 |
| Linux | ucode-intel sles 16.0 | 20260812-160000.1.1 | [SUSE-SU-2026:23602-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-23602-1.md) | Sep 21, 2026 |

---

Data as of 2026-11-08T13:06:02Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.
