CVE-2021-20317

Katalog CVE

CVSS 4.4 · Medium EPSS 0,38%

Kerentanan Improper Initialization pada linux kernel, debian linux. Skor CVSS 3.1 4.4 (Medium) menurut NVD.

Deskripsi (NVD)

A flaw was found in the Linux kernel. A corrupted timer tree caused the task wakeup to be missing in the timerqueue_add function in lib/timerqueue.c. This flaw allows a local attacker with special user privileges to cause a denial of service, slowing and eventually stopping the system while running OSP.

Rincian

Terbit di NVD

27 September 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-665: Improper Initialization

EPSS (30 hari)

0,38% peluang dieksploitasi; lebih tinggi dari 30,3% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=511885d7061eda3eb1faf3f57dcc936ff75863f... patch · advisory vendor
• https://bugzilla.redhat.com/show_bug.cgi?id=2005258 issue tracking · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html mailing list · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html mailing list · advisory pihak ketiga
• https://www.debian.org/security/2022/dsa-5096 advisory pihak ketiga
• https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf