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IABSD.fr/xenocara

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  • Author : jsg
    Date : 2019-11-20 03:13:04
    Hash : 76ee08e8
    Message : Call shmget() with permission 0600 instead of 0777 From Brian Paul 02c3dad0f3b4d26e0faa5cc51d06bc50d693dcdc in mainline Mesa "A security advisory (TALOS-2019-0857/CVE-2019-5068) found that creating shared memory regions with permission mode 0777 could allow any user to access that memory. Several Mesa drivers use shared- memory XImages to implement back buffers for improved performance. This path changes the shmget() calls to use 0600 (user r/w). Tested with legacy Xlib driver and llvmpipe."

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