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THREAT OPS › Threat News › [NVD] CVE-2025-21850 (CRITICAL 9.8) — In the Linux kernel, the following vulnerability has been resolved: nvmet: Fix crash when a namespace is disabled The namespace percpu counter protects pending I/O, and we can only safely diable the namespace once the counter drop to zero. Otherwise we end up with a crash when

[NVD] CVE-2025-21850 (CRITICAL 9.8) — In the Linux kernel, the following vulnerability has been resolved: nvmet: Fix crash when a namespace is disabled The namespace percpu counter protects pending I/O, and we can only safely diable the namespace once the counter drop to zero. Otherwise we end up with a crash when

lownvdPublished 2025-03-12

CVE-2025-21850 CVSS: 9.8 CRITICAL Published: 2025-03-12T10:15:17.507

In the Linux kernel, the following vulnerability has been resolved:

nvmet: Fix crash when a namespace is disabled

The namespace percpu counter protects pending I/O, and we can only safely diable the namespace once the counter drop to zero. Otherwise we end up with a crash when running blktests/nvme/058 (eg for loop transport):

Indicators of compromise

Original source: https://nvd.nist.gov/vuln/detail/CVE-2025-21850