PT-2012-6000 · Xen+2 · Xen+2
Publicado
2012-12-13
·
Atualizado
2024-06-15
·
CVE-2012-5515
CVSS v2.0
4.7
Média
| Vetor | AV:L/AC:M/Au:N/C:N/I:N/A:C |
Name of the Vulnerable Software and Affected Versions
Xen versions prior to 4.2
Description
The issue allows local guest administrators to cause a denial of service, resulting in a long loop and hang, by utilizing crafted extent order values in specific hypercalls. The affected hypercalls include XENMEM decrease reservation, XENMEM populate physmap, and XENMEM exchange.
Recommendations
For versions prior to 4.2, consider restricting access to the XENMEM decrease reservation, XENMEM populate physmap, and XENMEM exchange hypercalls to prevent exploitation until a fix is available. At the moment, there is no information about a newer version that contains a fix for this issue.
Correção
Encontrou algum problema na descrição? Tem algo a acrescentar? Fique à vontade para nos escrever 👾
Identificadores relacionados
Produtos afetados
Red Hat
Suse
Xen