CVE-2021-20320

MEDIUM

5.5

Descripcion

A flaw was found in s390 eBPF JIT in bpf_jit_insn in arch/s390/net/bpf_jit_comp.c in the Linux kernel. In this flaw, a local attacker with special user privilege can circumvent the verifier and may lead to a confidentiality problem.

Detalles CVE

Puntuacion CVSS v3.15.5

SeveridadMEDIUM

Vector CVSSCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Vector de ataqueLOCAL

ComplejidadLOW

Privilegios requeridosLOW

Interaccion usuarioNONE

Publicado2/18/2022

Ultima modificacion11/21/2024

Fuentenvd

Avistamientos honeypot0

Productos afectados

fedoraproject:fedoralinux:linux_kernelredhat:enterprise_linux

Debilidades (CWE)

CWE-200

Referencias

https://bugzilla.redhat.com/show_bug.cgi?id=2010090(secalert@redhat.com)

https://lore.kernel.org/bpf/20210902185229.1840281-1-johan.almbladh%40anyfinetworks.com/(secalert@redhat.com)

https://bugzilla.redhat.com/show_bug.cgi?id=2010090(af854a3a-2127-422b-91ae-364da2661108)

https://lore.kernel.org/bpf/20210902185229.1840281-1-johan.almbladh%40anyfinetworks.com/(af854a3a-2127-422b-91ae-364da2661108)

Correlaciones IOC

Sin correlaciones registradas

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