Red Hat Hardened Images · Vulnerability
Historical advisory recorded 30 Oct 2026 15:45:26 UTC. Read the latest advisory.
cve-program · CVE-2026-78410
PublishedA flaw was found in util-linux. Restricted bind mounts take the source path from fstab but do not pin that source before the privileged mount. A local unprivileged user who can replace the authorized source or a writable ancestor can redirect SUID mount(8) to bind another host directory. If the fstab entry also sets X-mount.owner, X-mount.group, or X-mount.mode, root then changes ownership or mode on that redirected inode.
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CVE-2026-78410 · CVE overview and exploitation status
cve-program · CVE-2026-78410
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