CVE-2025-37865 is a Linux kernel vulnerability in the mv88e6xxx network driver that causes a denial of service when deleting VLANs on devices that do not support Multiple Spanning Tree (MST). Specifically, it affects Debian and Linux kernel products. With a CVSS score of 5.5 (Medium), this local vulnerability allows an authenticated attacker to cause a system crash (denial of service) with low attack complexity. There is no evidence of active exploitation, public exploit code, or Metasploit/Nuclei modules, though it has garnered some community discussion and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 5.18, < 6.1.135CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 6.2, < 6.6.88CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 6.7, < 6.12.25CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 6.13, < 6.14.4CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
6.15CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:6.15:rc1:*:*:*:*:*:* |
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
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Linux kernel (Azure) vulnerabilities
Mar 25, 2026Linux kernel (Azure FIPS) vulnerabilities
Mar 4, 2026Linux kernel (Azure) vulnerabilities
Mar 4, 2026Linux kernel (Xilinx) vulnerabilities
Feb 24, 2026Linux kernel (IBM) vulnerabilities
Feb 24, 2026net: dsa: mv88e6xxx: fix -ENOENT when deleting VLANs and MST is unsupported
May 13, 2025kernel: net: dsa: mv88e6xxx: fix -ENOENT when deleting VLANs and MST is unsupported
May 9, 2025