CVE-2020-25656

Katalog CVE

CVSS 4.1 · Medium EPSS 0,44%

Kerentanan Use After Free pada linux kernel, redhat enterprise linux +2 lainnya. Skor CVSS 3.1 4.1 (Medium) menurut NVD.

Deskripsi (NVD)

A flaw was found in the Linux kernel. A use-after-free was found in the way the console subsystem was using ioctls KDGKBSENT and KDSKBSENT. A local user could use this flaw to get read memory access out of bounds. The highest threat from this vulnerability is to data confidentiality.

Rincian

Terbit di NVD

2 Desember 2020

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-416: Use After Free

EPSS (30 hari)

0,44% peluang dieksploitasi; lebih tinggi dari 36,4% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugzilla.redhat.com/show_bug.cgi?id=1888726 exploit · issue tracking · patch · advisory pihak ketiga
• https://lkml.org/lkml/2020/10/29/528 mailing list · patch · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html mailing list · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html mailing list · advisory pihak ketiga
• https://lkml.org/lkml/2020/10/16/84 exploit · mailing list · advisory pihak ketiga
• https://www.starwindsoftware.com/security/sw-20210325-0006/ advisory pihak ketiga