CVE-2020-27830

Katalog CVE

CVSS 5.5 · Medium EPSS 0,30%

Kerentanan NULL Pointer Dereference pada linux kernel, debian linux. Skor CVSS 3.1 5.5 (Medium) menurut NVD.

Deskripsi (NVD)

A vulnerability was found in Linux Kernel where in the spk_ttyio_receive_buf2() function, it would dereference spk_ttyio_synth without checking whether it is NULL or not, and may lead to a NULL-ptr deref crash.

Rincian

Terbit di NVD

13 Mei 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-476: NULL Pointer Dereference

EPSS (30 hari)

0,30% peluang dieksploitasi; lebih tinggi dari 21,3% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugzilla.redhat.com/show_bug.cgi?id=1919900 issue tracking · patch · advisory pihak ketiga
• http://www.openwall.com/lists/oss-security/2020/12/08/1 mailing list · advisory pihak ketiga
• http://www.openwall.com/lists/oss-security/2020/12/08/4 mailing list · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html mailing list · advisory pihak ketiga
• https://security.netapp.com/advisory/ntap-20210625-0004/ advisory pihak ketiga
• https://www.debian.org/security/2021/dsa-4843 advisory pihak ketiga