CVE-2021-3543

Katalog CVE

CVSS 6.7 · Medium EPSS 0,30%

Kerentanan Use After Free pada nitro enclaves project nitro enclaves, redhat enterprise linux +1 lainnya. Skor CVSS 3.1 6.7 (Medium) menurut NVD.

Deskripsi (NVD)

A flaw null pointer dereference in the Nitro Enclaves kernel driver was found in the way that Enclaves VMs forces closures on the enclave file descriptor. A local user of a host machine could use this flaw to crash the system or escalate their privileges on the system.

Rincian

Terbit di NVD

1 Juni 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

6.7 (Medium), sumber NVD
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-416: Use After Free
CWE-476: NULL Pointer Dereference

EPSS (30 hari)

0,30% peluang dieksploitasi; lebih tinggi dari 21,1% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugzilla.redhat.com/show_bug.cgi?id=1953022 issue tracking · advisory pihak ketiga
• https://lore.kernel.org/lkml/20210429165941.27020-2-andraprs%40amazon.com/