PT-2019-4211 · Linux+2 · Linux Kernel+2
Publicado
2019-10-04
·
Atualizado
2021-06-22
·
CVE-2019-19069
CVSS v2.0
7.8
Alta
| Vetor | AV:N/AC:L/Au:N/C:N/I:N/A:C |
Name of the Vulnerable Software and Affected Versions
Linux kernel versions prior to 5.3.9
Description
The issue is related to a memory leak in the
fastrpc dma buf attach() function, which can cause a denial of service due to memory consumption. This can be triggered by causing dma get sgtable() failures. The vulnerability can be exploited by a remote attacker to cause a denial of service.Recommendations
For Linux kernel versions prior to 5.3.9, update to version 5.3.9 or later to resolve the issue.
As a temporary workaround, consider restricting access to the
fastrpc dma buf attach() function until a patch is available.Correção
DoS
Memory Leak
Resource Exhaustion
Encontrou algum problema na descrição? Tem algo a acrescentar? Fique à vontade para nos escrever 👾
Identificadores relacionados
Produtos afetados
Alt Linux
Linux Kernel
Ubuntu