CVE-2024-40944

{"id": "CVE-2024-40944", "cveTags": [], "metrics": {}, "published": "2024-07-12T13:15:16.753", "references": [{"url": "https://git.kernel.org/stable/c/2cfb464669b645a9b98478b74f2bcea9860dcff1", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/93c1800b3799f17375989b0daf76497dd3e80922", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/d91ddd05082691e69b30744825d18ae799293258", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Awaiting Analysis", "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nx86/kexec: Fix bug with call depth tracking\n\nThe call to cc_platform_has() triggers a fault and system crash if call depth\ntracking is active because the GS segment has been reset by load_segments() and\nGS_BASE is now 0 but call depth tracking uses per-CPU variables to operate.\n\nCall cc_platform_has() earlier in the function when GS is still valid.\n\n [ bp: Massage. ]"}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: x86/kexec: Correcci\u00f3n de error con el seguimiento de profundidad de llamadas. La llamada a cc_platform_has() desencadena una falla y un bloqueo del sistema si el seguimiento de profundidad de llamadas est\u00e1 activo porque el segmento GS ha sido restablecido por load_segments( ) y GS_BASE ahora es 0, pero el seguimiento de profundidad de llamadas utiliza variables por CPU para funcionar. Llame a cc_platform_has() anteriormente en la funci\u00f3n cuando GS a\u00fan sea v\u00e1lido. [pb: Masaje. ]"}], "lastModified": "2024-07-12T16:34:58.687", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}