CVE-2024-26598
Estado: ModificadaAlta (7.8)—
En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: KVM: arm64: vgic-its: Evite posibles UAF en la caché de traducción LPI. Existe un escenario potencial de UAF en el caso de que un caché de traducción LPI se acelere con una operación que invalide la caché, como un comando DISCARD ITS. La raíz del problema es que vgic_its_check_cache() no eleva el refcount en vgic_irq antes de eliminar el bloqueo que serializa los cambios de refcount. Haga que vgic_its_check_cache() aumente el refcount en el vgic_irq devuelto y agregue el decremento correspondiente después de poner en cola la interrupción.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 7.8
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: 8/10/2026
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
- CWE-416
- CWE-416
Referencias
- https://git.kernel.org/stable/c/12c2759ab1343c124ed46ba48f27bd1ef5d2dff4
- https://git.kernel.org/stable/c/65b201bf3e9af1b0254243a5881390eda56f72d1
- https://git.kernel.org/stable/c/ad362fe07fecf0aba839ff2cc59a3617bd42c33f
- https://git.kernel.org/stable/c/ba7be666740847d967822bed15500656b26bc703
- https://git.kernel.org/stable/c/d04acadb6490aa3314f9c9e087691e55de153b88
- https://git.kernel.org/stable/c/dba788e25f05209adf2b0175eb1691dc89fb1ba6
- https://git.kernel.org/stable/c/dd3956a1b3dd11f46488c928cb890d6937d1ca80
- https://git.kernel.org/stable/c/12c2759ab1343c124ed46ba48f27bd1ef5d2dff4
- https://git.kernel.org/stable/c/65b201bf3e9af1b0254243a5881390eda56f72d1
- https://git.kernel.org/stable/c/ad362fe07fecf0aba839ff2cc59a3617bd42c33f
- https://git.kernel.org/stable/c/ba7be666740847d967822bed15500656b26bc703
- https://git.kernel.org/stable/c/d04acadb6490aa3314f9c9e087691e55de153b88
- https://git.kernel.org/stable/c/dba788e25f05209adf2b0175eb1691dc89fb1ba6
- https://git.kernel.org/stable/c/dd3956a1b3dd11f46488c928cb890d6937d1ca80
- https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html
JSON original (NVD)
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