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CVE-2021-20268
HIGH7.8
Descripcion
An out-of-bounds access flaw was found in the Linux kernel's implementation of the eBPF code verifier in the way a user running the eBPF script calls dev_map_init_map or sock_map_alloc. This flaw allows a local user to crash the system or possibly escalate their privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Detalles CVE
Puntuacion CVSS v3.17.8
SeveridadHIGH
Vector CVSSCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Vector de ataqueLOCAL
ComplejidadLOW
Privilegios requeridosLOW
Interaccion usuarioNONE
Publicado3/9/2021
Ultima modificacion11/21/2024
Fuentenvd
Avistamientos honeypot0
Productos afectados
linux:linux_kernel
Debilidades (CWE)
CWE-20CWE-190
Referencias
https://bugzilla.redhat.com/show_bug.cgi?id=1923816(secalert@redhat.com)
https://lore.kernel.org/bpf/CACAyw99bEYWJCSGqfLiJ9Jp5YE1ZsZSiJxb4RFUTwbofipf0dA%40mail.gmail.com/T/#m8929643e99bea9c18ed490a7bc2591145eac6444(secalert@redhat.com)
https://security.netapp.com/advisory/ntap-20210409-0006/(secalert@redhat.com)
https://bugzilla.redhat.com/show_bug.cgi?id=1923816(af854a3a-2127-422b-91ae-364da2661108)
https://lore.kernel.org/bpf/CACAyw99bEYWJCSGqfLiJ9Jp5YE1ZsZSiJxb4RFUTwbofipf0dA%40mail.gmail.com/T/#m8929643e99bea9c18ed490a7bc2591145eac6444(af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20210409-0006/(af854a3a-2127-422b-91ae-364da2661108)
Correlaciones IOC
Sin correlaciones registradas
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