CVE-2024-53172
Estado: ModificadaMedia (5.5)—
In the Linux kernel, the following vulnerability has been resolved:
ubi: fastmap: Fix duplicate slab cache names while attaching
The problem could be easily reproduced by loading UBI device by fastmap with CONFIG_DEBUG_VM=y. Fix it by using different slab names for alloc_ai() callers.
Detalles técnicos trazas, registros y código del informe original
Since commit 4c39529663b9 ("slab: Warn on duplicate cache names when
DEBUG_VM=y"), the duplicate slab cache names can be detected and a
kernel WARNING is thrown out.
In UBI fast attaching process, alloc_ai() could be invoked twice
with the same slab cache name 'ubi_aeb_slab_cache', which will trigger
following warning messages:
kmem_cache of name 'ubi_aeb_slab_cache' already exists
WARNING: CPU: 0 PID: 7519 at mm/slab_common.c:107
__kmem_cache_create_args+0x100/0x5f0
Modules linked in: ubi(+) nandsim [last unloaded: nandsim]
CPU: 0 UID: 0 PID: 7519 Comm: modprobe Tainted: G 6.12.0-rc2
RIP: 0010:__kmem_cache_create_args+0x100/0x5f0
Call Trace:
__kmem_cache_create_args+0x100/0x5f0
alloc_ai+0x295/0x3f0 [ubi]
ubi_attach+0x3c3/0xcc0 [ubi]
ubi_attach_mtd_dev+0x17cf/0x3fa0 [ubi]
ubi_init+0x3fb/0x800 [ubi]
do_init_module+0x265/0x7d0
__x64_sys_finit_module+0x7a/0xc0CVSS
- 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: 0.25%
- Percentil entre todas las CVEs puntuadas: 15
- Fecha de la puntuación: 5/10/2026
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 (1)
CWE
- NVD-CWE-noinfo
Referencias
- https://git.kernel.org/stable/c/04c0b0f37617099479c34e207c5550d081f585a6
- https://git.kernel.org/stable/c/3d8558135cd56a2a8052024be4073e160f36658c
- https://git.kernel.org/stable/c/612824dd0c9465ef365ace38b056c663d110956d
- https://git.kernel.org/stable/c/6afdcb285794e75d2c8995e3a44f523c176cc2de
- https://git.kernel.org/stable/c/7402c4bcb8a3f0d2ef4e687cd45c76be489cf509
- https://git.kernel.org/stable/c/871c148f8e0c32e505df9393ba4a303c3c3fe988
- https://git.kernel.org/stable/c/b1ee0aa4945c49cbbd779da81040fcec4de80fd1
- https://git.kernel.org/stable/c/bcddf52b7a17adcebc768d26f4e27cf79adb424c
- https://git.kernel.org/stable/c/ef52b7191ac41e68b1bf070d00c5b04ed16e4920
- https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html
- https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html
JSON original (NVD)
Mostrar
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nubi: fastmap: Fix duplicate slab cache names while attaching\n\nSince commit 4c39529663b9 (\"slab: Warn on duplicate cache names when\nDEBUG_VM=y\"), the duplicate slab cache names can be detected and a\nkernel WARNING is thrown out.\nIn UBI fast attaching process, alloc_ai() could be invoked twice\nwith the same slab cache name 'ubi_aeb_slab_cache', which will trigger\nfollowing warning messages:\n kmem_cache of name 'ubi_aeb_slab_cache' already exists\n WARNING: CPU: 0 PID: 7519 at mm/slab_common.c:107\n __kmem_cache_create_args+0x100/0x5f0\n Modules linked in: ubi(+) nandsim [last unloaded: nandsim]\n CPU: 0 UID: 0 PID: 7519 Comm: modprobe Tainted: G 6.12.0-rc2\n RIP: 0010:__kmem_cache_create_args+0x100/0x5f0\n Call Trace:\n __kmem_cache_create_args+0x100/0x5f0\n alloc_ai+0x295/0x3f0 [ubi]\n ubi_attach+0x3c3/0xcc0 [ubi]\n ubi_attach_mtd_dev+0x17cf/0x3fa0 [ubi]\n ubi_init+0x3fb/0x800 [ubi]\n do_init_module+0x265/0x7d0\n __x64_sys_finit_module+0x7a/0xc0\n\nThe problem could be easily reproduced by loading UBI device by fastmap\nwith CONFIG_DEBUG_VM=y.\nFix it by using different slab names for alloc_ai() callers."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ubi: fastmap: corrige nombres de caché de slab duplicados al adjuntar Desde el commit 4c39529663b9 (\"slab: Advertir sobre nombres de caché duplicados cuando DEBUG_VM=y\"), se pueden detectar los nombres de caché de slab duplicados y se emite una ADVERTENCIA del kernel. En el proceso de conexión rápida de UBI, alloc_ai() podría invocarse dos veces con el mismo nombre de caché de losa 'ubi_aeb_slab_cache', lo que activará los siguientes mensajes de advertencia: kmem_cache con el nombre 'ubi_aeb_slab_cache' ya existe ADVERTENCIA: CPU: 0 PID: 7519 en mm/slab_common.c:107 __kmem_cache_create_args+0x100/0x5f0 Módulos vinculados en: ubi(+) nandsim [última descarga: nandsim] CPU: 0 UID: 0 PID: 7519 Comm: modprobe Tainted: G 6.12.0-rc2 RIP: 0010:__kmem_cache_create_args+0x100/0x5f0 Rastreo de llamadas: __kmem_cache_create_args+0x100/0x5f0 alloc_ai+0x295/0x3f0 [ubi] ubi_attach+0x3c3/0xcc0 [ubi] ubi_attach_mtd_dev+0x17cf/0x3fa0 [ubi] ubi_init+0x3fb/0x800 [ubi] do_init_module+0x265/0x7d0 __x64_sys_finit_module+0x7a/0xc0 El problema se puede reproducir fácilmente cargando el dispositivo UBI mediante fastmap con CONFIG_DEBUG_VM=y. Arréglelo utilizando diferentes nombres de losa para los invocadores de alloc_ai()."
}
],
"lastModified": "2026-06-17T08:08:29.207",
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