CVE-2025-35979 Information disclosure in Intel(R) Processors
Unprivileged local attackers can exploit shared microarchitectural predictor state in Intel processors to disclose sensitive information from guest VMs.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-35979?
CVE-2025-35979 is a medium-severity vulnerability in Intel(R) Processors, published on 12 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-1423
Which versions are affected by CVE-2025-35979?
Linux distribution packages (18)
ucode-intel SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS | All versions | 20260512-150200.65.1 |
ucode-intel SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS | All versions | 20260512-150200.65.1 |
ucode-intel SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS | All versions | 20260512-150200.65.1 |
ucode-intel SUSE:Linux Enterprise High Performance Computing 15 SP5-LTSS | All versions | 20260512-150200.65.1 |
ucode-intel SUSE:Linux Enterprise Micro 5.3 | All versions | 20260512-150200.65.1 |
ucode-intel SUSE:Linux Enterprise Micro 5.4 | All versions | 20260512-150200.65.1 |
ucode-intel SUSE:Linux Enterprise Micro 5.5 | All versions | 20260512-150200.65.1 |
ucode-intel SUSE:Linux Enterprise Module for Basesystem 15 SP7 | All versions | 20260512-150200.65.1 |
microcode_ctl SUSE:Linux Enterprise Server 11 SP4 LTSS EXTREME CORE | All versions | 1.17-102.83.95.1 |
ucode-intel SUSE:Linux Enterprise Server 12 SP5-LTSS | All versions | 20260512-161.1 |
ucode-intel SUSE:Linux Enterprise Server 15 SP4-LTSS | All versions | 20260512-150200.65.1 |
ucode-intel SUSE:Linux Enterprise Server 15 SP5-LTSS | All versions | 20260512-150200.65.1 |
ucode-intel SUSE:Linux Enterprise Server 15 SP6-LTSS | All versions | 20260512-150200.65.1 |
ucode-intel SUSE:Linux Enterprise Server LTSS Extended Security 12 SP5 | All versions | 20260512-161.1 |
ucode-intel SUSE:Linux Enterprise Server for SAP Applications 15 SP4 | All versions | 20260512-150200.65.1 |
ucode-intel SUSE:Linux Enterprise Server for SAP Applications 15 SP5 | All versions | 20260512-150200.65.1 |
ucode-intel SUSE:Linux Enterprise Server for SAP Applications 15 SP6 | All versions | 20260512-150200.65.1 |
ucode-intel openSUSE:Tumbleweed | All versions | 20260512-1.1 |
How do I fix CVE-2025-35979?
Apply the vendor's patch.
Is CVE-2025-35979 being exploited?
There is no known exploitation of CVE-2025-35979 in the wild and no public exploit code.
Sources
Also known as ALPINE-CVE-2025-35979, BELL-CVE-2025-35979, DEBIAN-CVE-2025-35979, GHSA-f5vw-x3gp-vr4c, MGASA-2026-0161, OESA-2026-2458 and 11 more.