CVE-2025-38298
Estado: AnalizadaAlta (7.8)—
In the Linux kernel, the following vulnerability has been resolved:
EDAC/skx_common: Fix general protection fault
After loading i10nm_edac (which automatically loads skx_edac_common), if unload only i10nm_edac, then reload it and perform error injection testing, a general protection fault may occur:
The issue arose was because the variable 'adxl_component_count' (inside skx_edac_common), which counts the ADXL components, was not reset. During the reloading of i10nm_edac, the count was incremented by the actual number of ADXL components again, resulting in a count that was double the real number of ADXL components. This led to an out-of-bounds reference to the ADXL component array, causing the general protection fault above.
Leer descripción completaMostrar menos
Fix this issue by resetting the 'adxl_component_count' in adxl_put(), which is called during the unloading of {skx,i10nm}_edac.
Detalles técnicos trazas, registros y código del informe original
mce: [Hardware Error]: Machine check events logged Oops: general protection fault ... ... Workqueue: events mce_gen_pool_process RIP: 0010:string+0x53/0xe0 ... Call Trace: <TASK> ? die_addr+0x37/0x90 ? exc_general_protection+0x1e7/0x3f0 ? asm_exc_general_protection+0x26/0x30 ? string+0x53/0xe0 vsnprintf+0x23e/0x4c0 snprintf+0x4d/0x70 skx_adxl_decode+0x16a/0x330 [skx_edac_common] skx_mce_check_error.part.0+0xf8/0x220 [skx_edac_common] skx_mce_check_error+0x17/0x20 [skx_edac_common] ...
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: 0.21%
- Percentil entre todas las CVEs puntuadas: 11
- Fecha de la puntuación: 6/10/2026
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).
🎯 Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1068Exploitation for Privilege Escalationprivilege escalation75 % - Impacto principal
T1059Command and Scripting Interpreterexecution45 %
Vulnerabilidad local (AV:L, PR:L) en kernel Linux. CWE-787 (buffer overflow) en módulo EDAC permite escalada o ejecución de código con privilegios elevados tras acceso local previo.
Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.
🛡️ Mitigaciones ATT&CK que cubren estas técnicas
Tecnologías afectadas (2)
CWE
- CWE-787
Referencias
- https://git.kernel.org/stable/c/20d2d476b3ae18041be423671a8637ed5ffd6958
- https://git.kernel.org/stable/c/31ef6f7c9aee3be78d63789653e92350f2537f93
- https://git.kernel.org/stable/c/3f5d0659000923735350da60ad710f8c804544fe
- https://git.kernel.org/stable/c/80bf28fd623d97dd4f4825fbbe9d736cec2afba3
- https://git.kernel.org/stable/c/a13e8343ffcff27af1ff79597ff7ba241e6d9471
- https://git.kernel.org/stable/c/a6ed3a6edff09c1187cc6ade7f5967bca2376a13
- https://git.kernel.org/stable/c/bf6a8502a5f4ff6e4d135d795945cdade49ec8b0
- https://git.kernel.org/stable/c/e8530ed3c0769a4d8f79c212715ec1cf277787f8
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
JSON original (NVD)
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nEDAC/skx_common: Fix general protection fault\n\nAfter loading i10nm_edac (which automatically loads skx_edac_common), if\nunload only i10nm_edac, then reload it and perform error injection testing,\na general protection fault may occur:\n\n mce: [Hardware Error]: Machine check events logged\n Oops: general protection fault ...\n ...\n Workqueue: events mce_gen_pool_process\n RIP: 0010:string+0x53/0xe0\n ...\n Call Trace:\n <TASK>\n ? die_addr+0x37/0x90\n ? exc_general_protection+0x1e7/0x3f0\n ? asm_exc_general_protection+0x26/0x30\n ? string+0x53/0xe0\n vsnprintf+0x23e/0x4c0\n snprintf+0x4d/0x70\n skx_adxl_decode+0x16a/0x330 [skx_edac_common]\n skx_mce_check_error.part.0+0xf8/0x220 [skx_edac_common]\n skx_mce_check_error+0x17/0x20 [skx_edac_common]\n ...\n\nThe issue arose was because the variable 'adxl_component_count' (inside\nskx_edac_common), which counts the ADXL components, was not reset. During\nthe reloading of i10nm_edac, the count was incremented by the actual number\nof ADXL components again, resulting in a count that was double the real\nnumber of ADXL components. This led to an out-of-bounds reference to the\nADXL component array, causing the general protection fault above.\n\nFix this issue by resetting the 'adxl_component_count' in adxl_put(),\nwhich is called during the unloading of {skx,i10nm}_edac."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: EDAC/skx_common: Corregir fallo de protección general Después de cargar i10nm_edac (que carga automáticamente skx_edac_common), si solo se descarga i10nm_edac, luego se vuelve a cargar y se realizan pruebas de inyección de errores, puede ocurrir un fallo de protección general: mce: [Error de hardware]: Se registraron eventos de comprobación de la máquina Oops: fallo de protección general ... ... Cola de trabajo: eventos mce_gen_pool_process RIP: 0010:string+0x53/0xe0 ... Rastreo de llamadas: ? die_addr+0x37/0x90 ? exc_general_protection+0x1e7/0x3f0 ? asm_exc_general_protection+0x26/0x30 ? string+0x53/0xe0 vsnprintf+0x23e/0x4c0 snprintf+0x4d/0x70 skx_adxl_decode+0x16a/0x330 [skx_edac_common] skx_mce_check_error.part.0+0xf8/0x220 [skx_edac_common] skx_mce_check_error+0x17/0x20 [skx_edac_common] ... El problema surgió porque la variable 'adxl_component_count' (dentro de skx_edac_common), que cuenta los componentes ADXL, no se restableció. Durante la recarga de i10nm_edac, el recuento se incrementó de nuevo según el número real de componentes ADXL, lo que resultó en un recuento que duplicó el número real de componentes ADXL. Esto provocó una referencia fuera de los límites a la matriz de componentes ADXL, lo que provocó el fallo de protección general mencionado anteriormente. Solucione este problema restableciendo 'adxl_component_count' en adxl_put(), que se llama durante la descarga de {skx,i10nm}_edac."
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"lastModified": "2026-06-17T09:16:34.443",
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