Luca Boccassi 918e8f9dd9 boot: require a minimum PE optional header size in verify_pe()
verify_pe() only checked SizeOfOptionalHeader against a SIZE_MAX wrap (a
clause that, given SizeOfOptionalHeader is a uint16_t, can never reject
anything) and never read NumberOfRvaAndSizes. But pe_kernel_info(),
pe_kernel_check_nx_compat() and pe_kernel_check_no_relocation() then read
SizeOfImage, AddressOfEntryPoint, DllCharacteristics and the base
relocation data directory entry from the optional header.

Require SizeOfOptionalHeader to be large enough to contain everything down
to the base relocation data directory entry, and require the image to
declare that many data directory entries.

Follow-up for bacc2ed0d5
2026-07-03 15:19:39 +01:00
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2026-04-18 14:24:47 +01:00
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2026-06-17 09:59:34 +00:00
2025-06-05 14:39:20 +02:00
2026-03-06 08:55:55 +01:00
2025-10-07 13:00:12 +01:00
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Systemd

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