CVE-2021-4204

Katalog CVE

CVSS 7.1 · High EPSS 1,2%

Kerentanan Improper Input Validation pada linux kernel, debian linux +6 lainnya. Skor CVSS 3.1 7.1 (High) menurut NVD.

Deskripsi (NVD)

An out-of-bounds (OOB) memory access flaw was found in the Linux kernel's eBPF due to an Improper Input Validation. This flaw allows a local attacker with a special privilege to crash the system or leak internal information.

Rincian

Terbit di NVD

24 Agustus 2022

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-20: Improper Input Validation
CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

EPSS (30 hari)

1,2% peluang dieksploitasi; lebih tinggi dari 67,9% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.openwall.com/lists/oss-security/2022/01/11/4 mailing list · patch · advisory pihak ketiga
• https://access.redhat.com/security/cve/CVE-2021-4204 mitigasi · advisory pihak ketiga
• https://bugzilla.redhat.com/show_bug.cgi?id=2039178 issue tracking · advisory pihak ketiga
• https://security-tracker.debian.org/tracker/CVE-2021-4204 advisory pihak ketiga
• https://security.netapp.com/advisory/ntap-20221228-0003/ advisory pihak ketiga