CVE-2019-18282

Katalog CVE

CVSS 5.3 · Medium EPSS 2,6%

Kerentanan Use of Insufficiently Random Values pada linux kernel, debian linux +12 lainnya. Skor CVSS 3.1 5.3 (Medium) menurut NVD.

Deskripsi (NVD)

The flow_dissector feature in the Linux kernel 4.3 through 5.x before 5.3.10 has a device tracking vulnerability, aka CID-55667441c84f. This occurs because the auto flowlabel of a UDP IPv6 packet relies on a 32-bit hashrnd value as a secret, and because jhash (instead of siphash) is used. The hashrnd value remains the same starting from boot time, and can be inferred by an attacker. This affects net/core/flow_dissector.c and related code.

Rincian

Terbit di NVD

16 Januari 2020

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-330: Use of Insufficiently Random Values

EPSS (30 hari)

2,6% peluang dieksploitasi; lebih tinggi dari 84,9% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.10 mailing list · advisory vendor
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=55667441c84fa5e0911a0aac44fb059c15... mailing list · patch · advisory vendor
• https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html mailing list · advisory pihak ketiga
• https://security.netapp.com/advisory/ntap-20200204-0002/ advisory pihak ketiga
• https://www.computer.org/csdl/proceedings-article/sp/2020/349700b594/1j2LgrHDR2o advisory pihak ketiga