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THREAT OPS › Threat News › [NVD] CVE-2026-63810 — In the Linux kernel, the following vulnerability has been resolved: block: Avoid mounting the bdev pseudo-filesystem in userspace The bdev pseudo-filesystem is an internal kernel filesystem with which userspace should not interfere. Unregister it so that userspace cannot even a

[NVD] CVE-2026-63810 — In the Linux kernel, the following vulnerability has been resolved: block: Avoid mounting the bdev pseudo-filesystem in userspace The bdev pseudo-filesystem is an internal kernel filesystem with which userspace should not interfere. Unregister it so that userspace cannot even a

mednvdPublished 2026-07-19

CVE-2026-63810 CVSS: None Published: 2026-07-19T12:16:53.910

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

block: Avoid mounting the bdev pseudo-filesystem in userspace

The bdev pseudo-filesystem is an internal kernel filesystem with which userspace should not interfere. Unregister it so that userspace cannot even attempt to mount it.

This fixes a bug [1] that occurs whe

Indicators of compromise

CVE-2026-63810cve
linuxtesting.orgdomain

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-63810