CVE-2026-88838 - Busybox: busybox: non-root mount option filter bypass allows clearing fstab security restrictions

CVE-2026-88838 - Busybox: busybox: non-root mount option filter bypass allows clearing fstab security restrictions

https://cvefeed.io/rssfeed/latest.atom / Tue, 10/13/2026 - 19:52
CVE ID :CVE-2026-88838
Published : Oct. 13, 2026, 5:17 p.m. | 30 minutes ago
Description :A flaw was found in BusyBox's mount utility. A non-root user can bypass mount security restrictions set in /etc/fstab by specifying clearing-mask options on the command line. These options pass the non-root flag filter and are merged with fstab options as strings; when the combined options are re-parsed, clearing options can override nosuid, nodev, and noexec protections the administrator intended to enforce.
Severity: 5.5 | MEDIUM
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