PT-2018-18102 · Linux+3 · Linux Kernel+3

Andrey Konovalov

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Publicado

2017-12-17

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Atualizado

2019-03-26

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CVE-2018-7492

CVSS v3.1

5.5

Média

VetorAV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 4.14.7
Description A NULL pointer dereference issue was discovered in the rds rdma map() function, allowing local attackers to cause a system panic and a denial-of-service. This issue is related to RDS GET MR and RDS GET MR FOR DEST.
Recommendations For Linux kernel versions prior to 4.14.7, update to version 4.14.7 or later to resolve the issue. As a temporary workaround, consider restricting access to the rds rdma map() function to minimize the risk of exploitation.

Exploit

Correção

DoS

NULL Pointer Dereference

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Enumeração de Fraquezas

Identificadores relacionados

ALT-PU-2017-2806
ALT-PU-2018-1991
CVE-2018-7492
DLA-1369-1
DSA-4187-1
OPENSUSE-SU-2018_1418-1
OPENSUSE-SU-2018_2119-1
SUSE-SU-2018:1366-1
SUSE-SU-2018:1761-1
SUSE-SU-2018:1762-1
SUSE-SU-2018:1816-1
SUSE-SU-2018:1855-1
SUSE-SU-2018:1855-2
SUSE-SU-2018:2092-1
SUSE-SU-2018:2332-1
SUSE-SU-2018:2366-1
SUSE-SU-2018:2637-1
USN-3619-1
USN-3619-2
USN-3674-1
USN-3674-2
USN-3677-1
USN-3677-2

Produtos afetados

Alt Linux
Linux Kernel
Suse
Ubuntu