CVE-2013-1773: Buffer overflow in the VFAT filesystem implementation in the Linux kernel before 3.3 allows local users to...

Security readout for executives and security teams

CVE-2013-1773 is an old Linux kernel flaw in VFAT filesystem handling. A local user could potentially crash a system or gain elevated privileges when writing to a VFAT filesystem mounted with the utf8 option. The issue is most relevant to legacy or unpatched Linux systems. Exposure is likely limited to Linux systems running vulnerable pre-3.3 kernel code, or vendor kernels without the relevant backport, where local users can write to VFAT filesystems mounted with utf8. Treat this as high priority for legacy Linux estates with local users or shared access. It is not internet-remote from the provided evidence, but kernel privilege escalation can materially affect system integrity. Mitigation focus: Apply vendor kernel updates that include the VFAT fix.; Use kernels at or after the upstream fixed release, accounting for vendor backports.; Review Red Hat advisories if running affected Red Hat kernel packages..

Prepared

Jun 24, 2026, 11:46 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.