CVE-2012-3495 (GCVE-0-2012-3495)

Vulnerability from cvelistv5 – Published: 2012-11-23 20:00 – Updated: 2024-08-06 20:05
VLAI
Summary
The physdev_get_free_pirq hypercall in arch/x86/physdev.c in Xen 4.1.x and Citrix XenServer 6.0.2 and earlier uses the return value of the get_free_pirq function as an array index without checking that the return value indicates an error, which allows guest OS users to cause a denial of service (invalid memory write and host crash) and possibly gain privileges via unspecified vectors.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
redhat CNA under the redhat root
CNA scorecard B 81/100 over 995 records in the last 180 days details
References
URL Tags
http://secunia.com/advisories/55082 third-party-advisoryx_refsource_SECUNIA
http://xenbits.xen.org/hg/xen-4.1-testing.hg/rev/… x_refsource_CONFIRM
http://lists.xen.org/archives/html/xen-announce/2… mailing-listx_refsource_MLIST
http://secunia.com/advisories/51413 third-party-advisoryx_refsource_SECUNIA
http://security.gentoo.org/glsa/glsa-201309-24.xml vendor-advisoryx_refsource_GENTOO
http://wiki.xen.org/wiki/Security_Announcements#X… x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.securityfocus.com/bid/55406 vdb-entryx_refsource_BID
http://www.securitytracker.com/id?1027480 vdb-entryx_refsource_SECTRACK
https://security.gentoo.org/glsa/201604-03 vendor-advisoryx_refsource_GENTOO
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://support.citrix.com/article/CTX134708 x_refsource_CONFIRM
http://www.openwall.com/lists/oss-security/2012/09/05/6 mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
Date Public
2012-09-05 00:00
Show details on NVD website
To clipboard 

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              {
                "lang": "en",
                "value": "CWE-20"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T12:48:52+00:00",
      "cve": "CVE-2012-3495",
      "id": "CVE-2012-3495",
      "initial_release_date": "2012-09-05T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: xen: hypercall physdev_get_free_pirq vulnerability",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2012/cve-2012-3495.json",
      "version": "3"
    }
  }
}



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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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