PT-2019-14868 · Linux+1 · Linux Kernel+1

Dan Carpenter · Publicado 2018-07-03 · Atualizado 2019-09-27 · CVE-2019-16921

Positive Technologies (AI Summary)

CVSS v3.1

7.5

Alta

Vetor base

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

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 4.17

Description The issue is related to the hns roce alloc ucontext function in the Linux kernel, which does not properly initialize the resp data structure. This could potentially allow attackers to obtain sensitive information from kernel stack memory.

Recommendations For Linux kernel versions prior to 4.17, update to version 4.17 or later to resolve the issue.

Correção

Improper Initialization

Enumeração de Fraquezas

CWE-665

Identificadores relacionados

ALT-PU-2018-1971

ALT-PU-2018-1976

ALT-PU-2019-1433

CVE-2019-16921

Produtos afetados

Alt Linux

Linux Kernel

Referências · 7

• https://github.com/torvalds/linux/commit/df7e40425813c50cd252e6f5e348a81ef1acae56 · Correção
• https://ubuntu.com/security/CVE-2019-16921 · Aviso do Fabricante
• https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=df7e40425813c50cd252e6f5e348a81ef1acae56 · Aviso do Fabricante
• https://osv.dev/vulnerability/CVE-2019-16921 · Aviso do Fabricante
• https://nvd.nist.gov/vuln/detail/CVE-2019-16921 · Nota de Segurança
• https://osv.dev/vulnerability/UBUNTU-CVE-2019-16921 · Aviso do Fabricante
• https://cve.org/CVERecord?id=CVE-2019-16921 · Nota de Segurança