CVE-2011-1577: Heap-based buffer overflow in the is_gpt_valid function in fs/partitions/efi.c in the Linux kernel 2.6.38 a...

Security readout for executives and security teams

This is an old Linux kernel flaw in how malformed GPT partition data on removable media was handled. A nearby attacker with physical access could crash an affected machine. The public record does not prove active exploitation or a reliable code-execution path. Exposure is mainly legacy Linux systems running kernel 2.6.38 or earlier that parse untrusted removable media. Internet-facing exposure is not indicated by the sources. Prioritize where legacy Linux systems remain in operational environments with physical or removable-media access. For fully updated fleets, business urgency is lower, but unsupported kernels should be remediated. Mitigation focus: Inventory Linux hosts still running kernel 2.6.38 or earlier.; Apply vendor kernel updates or advisories that address CVE-2011-1577.; Restrict use of untrusted removable media on legacy Linux systems..

Prepared

Jun 24, 2026, 13:28 UTC (UTC+00:00)

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