CVE-2021-3679

Katalog CVE

CVSS 5.5 · Medium EPSS 0,75%

Kerentanan Uncontrolled Resource Consumption pada linux kernel, redhat enterprise linux +1 lainnya. Skor CVSS 3.1 5.5 (Medium) menurut NVD.

Deskripsi (NVD)

A lack of CPU resource in the Linux kernel tracing module functionality in versions prior to 5.14-rc3 was found in the way user uses trace ring buffer in a specific way. Only privileged local users (with CAP_SYS_ADMIN capability) could use this flaw to starve the resources causing denial of service.

Rincian

Terbit di NVD

5 Agustus 2021

Terakhir diubah

17 Juni 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:N/I:N/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-400: Uncontrolled Resource Consumption
CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')

EPSS (30 hari)

0,75% peluang dieksploitasi; lebih tinggi dari 53,7% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=67f0d6d9883c13174669f88adac4f0ee... mailing list · patch · advisory vendor
• https://bugzilla.redhat.com/show_bug.cgi?id=1989165 issue tracking · patch · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html mailing list · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html mailing list · advisory pihak ketiga
• https://www.debian.org/security/2021/dsa-4978 advisory pihak ketiga