GrapheneOS (RSS Feed) on Nostr: Initial hardened\_malloc implementation sets random tags for each 128k byte and below ...
Initial hardened\_malloc implementation sets random tags for each 128k byte and below allocation. It excludes tags of adjacent allocations and reserves a tag for free allocations. It fully prevents sequential overflows as a vulnerability class and freed memory can't be accessed.
https://grapheneos.social/@GrapheneOS/111302244790809715Published at
2023-10-26 16:24:35Event JSON
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"content": "\n\nInitial hardened\\_malloc implementation sets random tags for each 128k byte and below allocation. It excludes tags of adjacent allocations and reserves a tag for free allocations. It fully prevents sequential overflows as a vulnerability class and freed memory can't be accessed.\n\nhttps://grapheneos.social/@GrapheneOS/111302244790809715",
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