Cybersecurity · 43 views
Linux XFS has a decade-old race condition allowing full root access
Linux systems using the XFS filesystem suffer from a race condition that could enable an unprivileged local user to gain full root access.
Summary
Linux systems using the XFS filesystem suffer from a race condition that could enable an unprivileged local user to gain full root access. The flaw affects systems with Linux kernel 4.11 or later that have enabled the XFS feature reflink, which permits the creation of copies of a file without actually copying its data.
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