CVE-2026-63810: block: Avoid mounting the bdev pseudo-filesystem in userspace
Published Jul 19, 2026
·Updated
block: Avoid mounting the bdev pseudo-filesystem in userspace
Affected Software
2 affected componentsFixes available
Linux Kernel
Microsoft azl3 kernel 6.6.144.1-1<6.6.145.2-1
6.6.145.2-1
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.6.145.2-1
Event History
Jul 19, 2026
CVE Published
via MITRE·12:02 PM
Data Sourced
via MITRE·12:02 PM
Description
Data Sourced
via NVD·12:16 PM
Description
Jul 20, 2026
Data Sourced
via Microsoft·08:02 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·08:02 AM
Affected Software
Updated
via Microsoft·08:02 AM
DescriptionSeverity
Frequently Asked Questions
1
What is the severity of CVE-2026-63810?
CVE-2026-63810 has a risk rating of 33.
2
How do I fix CVE-2026-63810?
To mitigate CVE-2026-63810, ensure that your Linux Kernel is updated to the latest version that incorporates the fix.
3
What type of vulnerability is CVE-2026-63810?
CVE-2026-63810 is classified as a Null Pointer Dereference vulnerability.
4
What does CVE-2026-63810 affect?
CVE-2026-63810 affects the Linux Kernel and specifically impacts the bdev pseudo-filesystem.
5
When was CVE-2026-63810 published?
CVE-2026-63810 was published on July 19, 2026.