CVE-2022-49969
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: clear optc underflow before turn off odm clock
[Why] After ODM clock off, optc underflow bit will be kept there always and clear not work. We need to clear that before clock off.
[How] Clear that if have when clock off.
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: 0.28%
- Percentil entre todas las CVEs puntuadas: 19
- 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 escalation85 % - Impacto principal
T1499.004Application or System Exploitationimpact60 %
AV:L + PR:L sin UI indica escalada local; underflow en display puede causar DoS a nivel de kernel (application hang).
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
- NVD-CWE-noinfo
Referencias
- https://git.kernel.org/stable/c/3101839b080137c367f3f88c2a040f791de880aa
- https://git.kernel.org/stable/c/3c1dfeaeb3b4e3ea656041da1241e6ee3c3b3202
- https://git.kernel.org/stable/c/443687798d6f094412b7312b64b3bb4d99aedff7
- https://git.kernel.org/stable/c/5ee30bcfdb32526233d2572f3d9ec371928679f1
- https://git.kernel.org/stable/c/814b756d4ec3a8728debb116cf49005feada7750
- https://git.kernel.org/stable/c/b2a93490201300a749ad261b5c5d05cb50179c44
JSON original (NVD)
Mostrar
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