CVE-2021-20320

Katalog CVE

CVSS 5.5 · Medium EPSS 0,26%

Kerentanan Exposure of Sensitive Information to an Unauthorized Actor pada linux kernel, fedoraproject fedora +1 lainnya. Skor CVSS 3.1 5.5 (Medium) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

18 Februari 2022

Terakhir diubah

8 Oktober 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

EPSS (30 hari)

0,26% peluang dieksploitasi; lebih tinggi dari 16,4% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugzilla.redhat.com/show_bug.cgi?id=2010090 issue tracking · advisory pihak ketiga
• https://lore.kernel.org/bpf/20210902185229.1840281-1-johan.almbladh%40anyfinetworks.com/