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25 April 2023

Vulnerabilities first published on this day (UTC), newest first.

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  • Medium 4.7
    CVE-2023-0045 Public exploit

    Incorrect indirect branch prediction barrier in the Linux Kernel

    The current implementation of the prctl syscall does not issue an IBPB immediately during the syscall. The ib_prctl_set  function updates the Thread Information Flags (TIFs) for the task and updates the SPEC_CTRL MSR on the function __speculation_ctrl_update,…

    Linux linux_kernel linux-raspi2 linux-hwe Linux Debian Ubuntu