CVE-2021-4150

Katalog CVE

CVSS 5.5 · Medium EPSS 0,34%

Kerentanan Use After Free pada linux kernel. Skor CVSS 3.1 5.5 (Medium) menurut NVD.

Deskripsi (NVD)

A use-after-free flaw was found in the add_partition in block/partitions/core.c in the Linux kernel. A local attacker with user privileges could cause a denial of service on the system. The issue results from the lack of code cleanup when device_add call fails when adding a partition to the disk.

Rincian

Terbit di NVD

23 Maret 2022

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-416: Use After Free

EPSS (30 hari)

0,34% peluang dieksploitasi; lebih tinggi dari 25,1% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugzilla.redhat.com/show_bug.cgi?id=2025938 issue tracking · advisory pihak ketiga
• https://lkml.org/lkml/2021/10/18/485 exploit · advisory pihak ketiga
• https://lkml.org/lkml/2021/9/6/781 exploit · advisory pihak ketiga