PT-2016-5009 · Linux+2 · Linux Kernel+2

Xiaofei Rex Guo · Publicado 2016-02-15 · Atualizado 2016-12-03 · CVE-2016-2085

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Média

Vetor base

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 4.5

Description The issue concerns a timing side-channel attack that allows local users to forge MAC values. This is due to the evm verify hmac function in security/integrity/evm/evm main.c not properly copying data.

Recommendations For versions prior to 4.5, update to version 4.5 or later to resolve the issue.

Correção

Enumeração de Fraquezas

CWE-19

Identificadores relacionados

ALT-PU-2016-1262

ALT-PU-2016-1485

CVE-2016-2085

MGASA-2016-0225

MGASA-2016-0232

MGASA-2016-0233

USN-2946-1

USN-2946-2

USN-2947-1

USN-2947-2

USN-2947-3

USN-2948-1

USN-2948-2

USN-2949-1

Produtos afetados

Alt Linux

Linux Kernel

Ubuntu

Referências · 66

• https://github.com/torvalds/linux/commit/613317bd212c585c20796c10afe5daaa95d4b0a1 · Aviso do Fabricante
• https://ubuntu.com/security/CVE-2015-7833 · Aviso do Fabricante
• http://kernelnewbies.org/Linux_4.3 · Nota
• https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.9 · Nota
• https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.12 · Nota
• https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.5 · Nota
• https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.8 · Nota
• https://osv.dev/vulnerability/USN-2947-2 · Aviso do Fabricante
• http://kernelnewbies.org/Linux_4.2 · Nota
• http://ubuntu.com/usn/USN-2947-2 · Aviso do Fabricante
• https://ubuntu.com/security/notices/USN-2947-2 · Aviso do Fabricante
• https://ubuntu.com/security/notices/USN-2946-2 · Aviso do Fabricante
• https://ubuntu.com/security/CVE-2016-2383 · Aviso do Fabricante
• https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.11 · Nota
• https://ubuntu.com/security/notices/USN-2949-1 · Aviso do Fabricante