PT-2016-5242 · Linux+2 · Linux Kernel+2

Halfdog

·

Publicado

2016-05-02

·

Atualizado

2022-03-22

·

CVE-2016-2854

CVSS v3.1

7.8

Alta

VetorAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Linux kernel versions 3.x through 4.x
Description The issue concerns the aufs module in the Linux kernel, which fails to properly maintain POSIX ACL xattr data. This allows local users to gain privileges by exploiting a group-writable setgid directory.
Recommendations For Linux kernel versions 3.x through 4.x, consider restricting access to group-writable setgid directories to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Privilege Management

Encontrou algum problema na descrição? Tem algo a acrescentar? Fique à vontade para nos escrever 👾
dbugs@ptsecurity.com

Enumeração de Fraquezas

CWE-269

Identificadores relacionados

ALT-PU-2019-1437
ALT-PU-2019-1506
ALT-PU-2020-1198
ALT-PU-2020-1501
ALT-PU-2020-2410
ALT-PU-2020-2433
ALT-PU-2021-1870
CVE-2016-2854
USN-5343-1

Produtos afetados

Alt Linux
Linux Kernel
Ubuntu