PT-2019-4491 · Linux+3 · Linux Kernel+3
Publicado
2019-12-09
·
Atualizado
2022-03-31
·
CVE-2019-19965
CVSS v3.1
4.7
Média
| Vetor | AV:L/AC:H/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 5.4.7
Description
The issue is related to errors in pointer dereferencing in the Linux kernel component drivers/scsi/libsas/sas discover.c. It may allow an attacker to cause a denial of service due to incorrect handling of port disconnection during discovery, related to a PHY down race condition.
Recommendations
For Linux kernel versions prior to 5.4.7, update to version 5.4.7 or later to resolve the issue.
As a temporary workaround, consider restricting access to the sas discover.c component until a patch is available.
Exploit
Correção
Race Condition
NULL Pointer Dereference
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Identificadores relacionados
Produtos afetados
Alt Linux
Linux Kernel
Suse
Ubuntu