CVE-2026-22984
In the Linux kernel, the following vulnerability has been resolved:
libceph: prevent potential out-of-bounds reads in handle_auth_done()
Perform an explicit bounds check on payload_len to avoid a possible out-of-bounds access in the callout.
[ idryomov: changelog ]
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- Puntuación base: 7.1
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.39%
- Percentil entre todas las CVEs puntuadas: 31
- 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).
🎯 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 escalation85 % - Impacto principal
T1005Data from Local Systemcollection75 %
AV:L sin UI indica escalada local; CWE-125 (out-of-bounds read) permite lectura de memoria de kernel, no ejecución de comandos.
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 (1)
CWE
- CWE-125
Referencias
- https://git.kernel.org/stable/c/194cfe2af4d2a1de599d39dad636b47c2f6c2c96
- https://git.kernel.org/stable/c/2802ef3380fa8c4a08cda51ec1f085b1a712e9e2
- https://git.kernel.org/stable/c/2d653bb63d598ae4b096dd678744bdcc34ee89e8
- https://git.kernel.org/stable/c/79fe3511db416d2f2edcfd93569807cb02736e5e
- https://git.kernel.org/stable/c/818156caffbf55cb4d368f9c3cac64e458fb49c9
- https://git.kernel.org/stable/c/ef208ea331ef688729f64089b895ed1b49e842e3
JSON original (NVD)
Mostrar
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