CVE-2021-20239

Katalog CVE

CVSS 3.3 · Low EPSS 0,26%

Kerentanan Untrusted Pointer Dereference pada linux kernel, redhat enterprise linux +1 lainnya. Skor CVSS 3.1 3.3 (Low) menurut NVD.

Deskripsi (NVD)

A flaw was found in the Linux kernel in versions before 5.4.92 in the BPF protocol. This flaw allows an attacker with a local account to leak information about kernel internal addresses. The highest threat from this vulnerability is to confidentiality.

Rincian

Terbit di NVD

28 Mei 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-822: Untrusted Pointer Dereference
CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

EPSS (30 hari)

0,26% peluang dieksploitasi; lebih tinggi dari 15,8% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugzilla.redhat.com/show_bug.cgi?id=1923636 issue tracking · advisory pihak ketiga