CVE-2025-21663 describes a vulnerability in the Linux kernel affecting Nvidia Tegra MGBE controllers. The issue stems from the driver hardcoding the IOMMU Stream ID (SID) to MGBE0 for all controllers, leading to softirq timeouts and kernel panics when using other MGBE controllers. This vulnerability is rated as Medium severity (CVSS 5.5), with a local attack vector and low attack complexity, potentially causing high availability impact (denial of service). There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 6.2, < 6.6.72CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 6.7, < 6.12.10CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
6.13CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:* | ||
6.13CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:6.13:rc2:*:*:*:*:*:* | ||
6.13CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:6.13:rc3:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.