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In fuse before versions 2.9.8 and 3.x before 3.2.5 fusermount is vulnerable to a restriction bypass when SELinux is active. This allows non-root users to mount a FUSE file system with the 'allow_other' mount option regardless of whether 'user_allow_other' is set in the fuse configuration. An attacker may use this flaw to mount a FUSE file system accessible by other users and trick them into accessing files on that file system possibly causing Denial of Service or other unspecified effects.

🗓️ 18 Aug 2020 07:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 2 Views

FUSE fusermount SELinux bypass lets non-root mount with allow_other despite user allow other, risking access and DoS.

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18 Feb 2026 10:16Current
6.7Medium risk
Vulners AI Score6.7
CVSS 24.6
CVSS 35.3 - 7.8
CVSS 3.17.8
EPSS0.00054
2