CVE-2021-3669
Estado: ModificadaMedia (5.5)—
A flaw was found in the Linux kernel. Measuring usage of the shared memory does not scale with large shared memory segment counts which could lead to resource exhaustion and DoS.
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: 0.29%
- Percentil entre todas las CVEs puntuadas: 20
- 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 (23)
Debian — Debian LinuxFedoraproject — FedoraIBM — Spectrum Copy Data ManagementIBM — Spectrum Protect PlusLinux — Linux KernelRedhat — Build OF QuarkusRedhat — Codeready Linux BuilderRedhat — Developer ToolsRedhat — Enterprise LinuxRedhat — Enterprise Linux AUSRedhat — Enterprise Linux FOR IBM Z SystemsRedhat — Enterprise Linux FOR IBM Z Systems EUSRedhat — Enterprise Linux FOR Power Little EndianRedhat — 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 FOR Power Little Endian Update Services FOR SAP SolutionsRedhat — Enterprise Linux Server TUSRedhat — Openshift Container PlatformRedhat — Virtualization Host
CWE
- CWE-400
- CWE-770
Referencias
- https://access.redhat.com/security/cve/CVE-2021-3669
- https://bugzilla.redhat.com/show_bug.cgi?id=1980619
- https://bugzilla.redhat.com/show_bug.cgi?id=1986473
- https://security-tracker.debian.org/tracker/CVE-2021-3669
- https://access.redhat.com/security/cve/CVE-2021-3669
- https://bugzilla.redhat.com/show_bug.cgi?id=1980619
- https://bugzilla.redhat.com/show_bug.cgi?id=1986473
- https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html
- https://security-tracker.debian.org/tracker/CVE-2021-3669
JSON original (NVD)
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