CVE-2021-4197

Katalog CVE

CVSS 7.8 · High EPSS 0,54%

Kerentanan Improper Authentication pada linux kernel, oracle communications cloud native core binding support function +7 lainnya. Skor CVSS 3.1 7.8 (High) menurut NVD.

Deskripsi (NVD)

An unprivileged write to the file handler flaw in the Linux kernel's control groups and namespaces subsystem was found in the way users have access to some less privileged process that are controlled by cgroups and have higher privileged parent process. It is actually both for cgroup2 and cgroup1 versions of control groups. A local user could use this flaw to crash the system or escalate their privileges on the system.

Rincian

Terbit di NVD

23 Maret 2022

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-287: Improper Authentication

EPSS (30 hari)

0,54% peluang dieksploitasi; lebih tinggi dari 43,6% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugzilla.redhat.com/show_bug.cgi?id=2035652 issue tracking · advisory pihak ketiga
• https://security.netapp.com/advisory/ntap-20220602-0006/ advisory pihak ketiga
• https://www.debian.org/security/2022/dsa-5127 advisory pihak ketiga
• https://www.debian.org/security/2022/dsa-5173 advisory pihak ketiga
• https://www.oracle.com/security-alerts/cpujul2022.html advisory pihak ketiga
• https://lore.kernel.org/lkml/20211209214707.805617-1-tj%40kernel.org/T/