5.5
Medium
CVE-2026-88838 A flaw was found in BusyBox's mount utility
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Red Hat Hardened Images | Versions not published |
References
- access.redhat.com access.redhat.com
- RHBZ#2531352 bugzilla.redhat.com
Timeline
- Published
- Last modified
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