PT-2019-4497 · Linux+2 · Linux Kernel+2

Publicado 2019-12-08 · Atualizado 2022-11-09 · CVE-2019-19947

Positive Technologies (AI Summary)

CVSS v2.0

4.9

Média

Vetor base

AV:L/AC:L/Au:N/C:C/I:N/A:N

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 5.4.6

Description The issue is related to information leaks of uninitialized memory to a USB device in the drivers/net/can/usb/kvaser usb/kvaser usb leaf.c driver. This could allow an attacker to gain unauthorized access to protected information.

Recommendations For Linux kernel versions prior to 5.4.6, update to version 5.4.6 or later to resolve the issue. As a temporary workaround, consider restricting access to the vulnerable driver until a patch is available.

Correção

Information Disclosure

Use of Uninitialized Resource

Enumeração de Fraquezas

CWE-200

CWE-908

Identificadores relacionados

ALT-PU-2020-1003

ALT-PU-2020-1010

ALT-PU-2020-1043

ALT-PU-2020-1198

ALT-PU-2020-1421

ALT-PU-2020-1450

ALT-PU-2020-1501

ALT-PU-2020-1714

ALT-PU-2020-2410

ALT-PU-2020-2433

ALT-PU-2021-1870

BDU:2020-00356

CVE-2019-19947

DLA-2068-1

DLA-2114-1

USN-4284-1

USN-4285-1

USN-4427-1

USN-4485-1

Produtos afetados

Alt Linux

Linux Kernel

Ubuntu

Referências · 84

• https://github.com/torvalds/linux/commit/da2311a6385c3b499da2ed5d9be59ce331fa93e9 · Correção
• https://usn.ubuntu.com/usn/usn-4485-1 · Nota
• https://ubuntu.com/security/CVE-2020-10768 · Aviso do Fabricante
• https://osv.dev/vulnerability/UBUNTU-CVE-2019-19947 · Aviso do Fabricante
• https://ubuntu.com/security/CVE-2020-15393 · Aviso do Fabricante
• https://usn.ubuntu.com/4427-1 · Aviso do Fabricante
• https://ubuntu.com/security/CVE-2019-19057 · Aviso do Fabricante
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19947 · Nota
• https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.228 · Nota
• https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.228 · Nota
• https://ubuntu.com/security/CVE-2019-20096 · Aviso do Fabricante
• https://ubuntu.com/security/CVE-2019-12380 · Aviso do Fabricante
• https://usn.ubuntu.com/usn/usn-4284-1 · Nota
• https://ubuntu.com/security/CVE-2020-7053 · Aviso do Fabricante
• http://openwall.com/lists/oss-security/2019/12/24/1 · Nota