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CVE-2012-4539

Xen 4.0 through 4.2, when running 32-bit x86 PV guests on 64-bit hypervisors, allows local guest OS administrators to cause a denial of…

Low2.1EPSS 0.43%
Published
Updated
Reserved
Assigned by
redhat

Description

Xen 4.0 through 4.2, when running 32-bit x86 PV guests on 64-bit hypervisors, allows local guest OS administrators to cause a denial of service (infinite loop and hang or crash) via invalid arguments to GNTTABOP_get_status_frames, aka "Grant table hypercall infinite loop DoS vulnerability."

Scores

CVSS scores of CVE-2012-4539, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified2.0Low2.1AV:L/AC:L/Au:N/C:N/I:N/A:P
EPSS (exploitation in 30 days)
0.43% · top 62% of all CVEs (2 Nov 2026)

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The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 2.1.

Weakness

Affected products

  • n/a

    • affected n/a

References (22)

Sources

The same CVE in the primary databases and aggregators, to check against.

Record last updated .