PT-2019-5140 · Xen+1 · Xen+1
Jan Beulich
·
Publicado
2019-10-07
·
Atualizado
2023-02-03
·
CVE-2019-17342
CVSS v3.1
7.0
Alta
| Vetor | AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Xen versions prior to 4.12
Description
The issue is related to a race condition in the XENMEM exchange component of the Xen hypervisor, which arose due to improper synchronization when accessing shared resources. This allows an attacker to potentially gain unauthorized access to confidential data, cause a denial of service, or impact data integrity. The issue affects x86 PV guest OS users.
Recommendations
For versions prior to 4.12, update to version 4.12 or later to resolve the issue.
As a temporary workaround, consider restricting access to the XENMEM exchange component to minimize the risk of exploitation.
Correção
DoS
Race Condition
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Enumeração de Fraquezas
Identificadores relacionados
Produtos afetados
Suse
Xen