CVE-2020-13974

Katalog CVE

CVSS 7.8 · High EPSS 0,57%

Kerentanan Integer Overflow or Wraparound pada linux kernel, debian linux +1 lainnya. Skor CVSS 3.1 7.8 (High) menurut NVD.

Deskripsi (NVD)

An issue was discovered in the Linux kernel 4.4 through 5.7.1. drivers/tty/vt/keyboard.c has an integer overflow if k_ascii is called several times in a row, aka CID-b86dab054059. NOTE: Members in the community argue that the integer overflow does not lead to a security issue in this case.

Rincian

Terbit di NVD

9 Juni 2020

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-190: Integer Overflow or Wraparound

EPSS (30 hari)

0,57% peluang dieksploitasi; lebih tinggi dari 45,6% 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=dad0bf9ce93fa40b667eccd3306783f4db4b932... advisory vendor
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b86dab054059b970111b5516ae548efa... patch · advisory vendor
• https://lkml.org/lkml/2020/3/22/482 exploit · advisory vendor
• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.html mailing list · advisory pihak ketiga
• http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html mailing list · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2020/08/msg00019.html mailing list · advisory pihak ketiga
• https://usn.ubuntu.com/4427-1/ advisory pihak ketiga
• https://usn.ubuntu.com/4439-1/ advisory pihak ketiga
• https://usn.ubuntu.com/4440-1/ advisory pihak ketiga
• https://usn.ubuntu.com/4483-1/ advisory pihak ketiga
• https://usn.ubuntu.com/4485-1/ advisory pihak ketiga
• https://www.oracle.com/security-alerts/cpujul2022.html advisory pihak ketiga