• [$] Hardening the kernel with allocation tokens and bootpatch-SLR

    From LWN.net@1337:1/100 to All on Thursday, June 25, 2026 15:15:07
    [$] Hardening the kernel with allocation tokens and bootpatch-SLR

    Date:
    Thu, 25 Jun 2026 14:02:39 +0000

    Description:
    There is a lot of work going into eliminating exploitable bugs from the
    kernel and preventing the addition of new ones. Even if this work is
    maximally successful, though, there is no chance that the kernel will be
    free of these bugs anytime soon. Thus, there is also ongoing interest in hardening the kernel to make the existing bugs more difficult to exploit.
    The upcoming 7.2 kernel release will include a change to how dynamically allocated structures are placed in memory to make them harder to overwrite, while a project to randomize structure layout at boot time has a rather
    longer timeline.

    ======================================================================
    Link to news story:
    https://lwn.net/Articles/1078699/


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