CVE-2024-27400
Estado: ModificadaMedia (5.5)—
In the Linux kernel, the following vulnerability has been resolved:
drm/amdgpu: once more fix the call oder in amdgpu_ttm_move() v2
This reverts drm/amdgpu: fix ftrace event amdgpu_bo_move always move on same heap. The basic problem here is that after the move the old location is simply not available any more.
Some fixes were suggested, but essentially we should call the move notification before actually moving things because only this way we have the correct order for DMA-buf and VM move notifications as well.
Also rework the statistic handling so that we don't update the eviction counter before the move.
Leer descripción completaMostrar menos
v2: add missing NULL check
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Puntuación base: 5.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.24%
- Percentil entre todas las CVEs puntuadas: 14
- Fecha de la puntuación: 7/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (2)
CWE
- NVD-CWE-noinfo
Referencias
- https://git.kernel.org/stable/c/0c7ed3ed35eec9138b88d42217b5a6b9a62bda4d
- https://git.kernel.org/stable/c/5c25b169f9a0b34ee410891a96bc9d7b9ed6f9be
- https://git.kernel.org/stable/c/9a4f6e138720b6e9adf7b82a71d0292f3f276480
- https://git.kernel.org/stable/c/d3a9331a6591e9df64791e076f6591f440af51c3
- https://git.kernel.org/stable/c/0c7ed3ed35eec9138b88d42217b5a6b9a62bda4d
- https://git.kernel.org/stable/c/5c25b169f9a0b34ee410891a96bc9d7b9ed6f9be
- https://git.kernel.org/stable/c/9a4f6e138720b6e9adf7b82a71d0292f3f276480
- https://git.kernel.org/stable/c/d3a9331a6591e9df64791e076f6591f440af51c3
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DW2MIOIMOFUSNLHLRYX23AFR36BMKD65/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OTB4HWU2PTVW5NEYHHLOCXDKG3PYA534/
JSON original (NVD)
Mostrar
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: once more fix the call oder in amdgpu_ttm_move() v2\n\nThis reverts drm/amdgpu: fix ftrace event amdgpu_bo_move always move\non same heap. The basic problem here is that after the move the old\nlocation is simply not available any more.\n\nSome fixes were suggested, but essentially we should call the move\nnotification before actually moving things because only this way we have\nthe correct order for DMA-buf and VM move notifications as well.\n\nAlso rework the statistic handling so that we don't update the eviction\ncounter before the move.\n\nv2: add missing NULL check"
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"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amdgpu: una vez más corrige la llamada oder en amdgpu_ttm_move() v2. Esto revierte drm/amdgpu: corrige el evento ftrace amdgpu_bo_move siempre se mueve en el mismo montón. El problema básico aquí es que después de la mudanza, la antigua ubicación simplemente ya no está disponible. Se sugirieron algunas correcciones, pero esencialmente deberíamos llamar a la notificación de movimiento antes de mover cosas porque solo así tenemos el orden correcto para las notificaciones de movimiento de DMA-buf y VM también. También modifique el manejo de estadísticas para que no actualicemos el contador de desalojo antes de la mudanza. v2: agregar verificación NULL faltante"
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