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kernel decompression is unbounded #8

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opened 2026-05-19 13:30:11 +00:00 by rc · 0 comments
rc commented 2026-05-19 13:30:11 +00:00
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The compressed vmlinuz read is capped, but unpackKernel streams gzip output into an unbounded allocating writer. A corrupt or hostile payload can expand until memory exhaustion. Apply an output limit here too, ideally separate from the compressed download limit.

The compressed vmlinuz read is capped, but unpackKernel streams gzip output into an unbounded allocating writer. A corrupt or hostile payload can expand until memory exhaustion. Apply an output limit here too, ideally separate from the compressed download limit.
rc changed title from gpt: kernel decompression is unbounded to kernel decompression is unbounded 2026-05-22 16:26:12 +00:00
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