CVE-2021-3659
Estado: ModificadaMedia (5.5)—
A NULL pointer dereference flaw was found in the Linux kernel’s IEEE 802.15.4 wireless networking subsystem in the way the user closes the LR-WPAN connection. This flaw allows a local user to crash the system. The highest threat from this vulnerability is to system availability.
CVSS
- 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: 0.27%
- Percentil entre todas las CVEs puntuadas: 18
- 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).
Tecnologías afectadas (15)
Fedoraproject — FedoraLinux — Linux KernelRedhat — Codeready Linux BuilderRedhat — Enterprise LinuxRedhat — Enterprise Linux FOR IBM Z SystemsRedhat — Enterprise Linux FOR IBM Z Systems EUSRedhat — Enterprise Linux FOR Power Little Endian EUSRedhat — Enterprise Linux FOR Real TimeRedhat — Enterprise Linux FOR Real Time FOR NFVRedhat — Enterprise Linux FOR Real Time FOR NFV TUSRedhat — Enterprise Linux FOR Real Time TUSRedhat — Enterprise Linux Server AUSRedhat — Enterprise Linux Server EUSRedhat — Enterprise Linux Server TUSRedhat — Virtualization Host
CWE
- CWE-252
- CWE-476
Referencias
- https://access.redhat.com/security/cve/CVE-2021-3659
- https://bugzilla.redhat.com/show_bug.cgi?id=1975949
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1165affd484889d4986cf3b724318935a0b120d8
- https://access.redhat.com/security/cve/CVE-2021-3659
- https://bugzilla.redhat.com/show_bug.cgi?id=1975949
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1165affd484889d4986cf3b724318935a0b120d8
JSON original (NVD)
Mostrar
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