PT-2013-3134 · Xen+1 · Xen+1

Andrew Cooper · Publicado 2013-07-01 · Atualizado 2017-06-30 · CVE-2013-1432

Positive Technologies (AI Summary)

CVSS v2.0

7.4

Alta

Vetor base

AV:A/AC:M/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Xen versions 4.1.x through 4.2.x

Description The issue is related to the improper maintenance of references on pages stored for deferred cleanup. This can be exploited by local PV guest kernels to cause a denial of service, resulting in a premature page free and hypervisor crash, or possibly gain privileges via unspecified vectors.

Recommendations For Xen versions 4.1.x through 4.2.x, consider applying the necessary patches to fix the issue, specifically ensuring that the XSA-45 patch is properly applied and the deferred cleanup mechanism is corrected to prevent premature page freeing and potential privilege escalation.

Correção

DoS

Enumeração de Fraquezas

CWE-399

Identificadores relacionados

CVE-2013-1432

DSA-3006-1

MGASA-2013-0197

SUSE-SU-2013_1735-1

SUSE-SU-2013_1774-1

Produtos afetados

Suse

Xen

Referências · 76

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-1918 · Nota de Segurança
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4369 · Nota de Segurança
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-1442 · Nota de Segurança
• https://bugzilla.novell.com/833796 · Nota
• https://bugzilla.novell.com/839600 · Nota
• http://secunia.com/advisories/55082 · Nota
• https://bugzilla.novell.com/824676 · Nota
• https://bugzilla.novell.com/834751 · Nota
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4370 · Nota de Segurança
• https://bugzilla.novell.com/841766 · Nota
• https://bugzilla.novell.com/833251 · Nota
• http://lists.suse.com/mailman/listinfo/sle-security-updates · Nota
• http://support.novell.com/security/cve/CVE-2013-4361.html · Nota
• https://bugzilla.novell.com/823608 · Nota
• https://bugzilla.novell.com/845520 · Nota