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CVE-2012-4537

Xen 3.4 through 4.2, and possibly earlier versions, does not properly synchronize the p2m and m2p tables when the set_p2m_entry function…

Low2.1EPSS 0.44%
Published
Updated
Reserved
Assigned by
redhat

Description

Xen 3.4 through 4.2, and possibly earlier versions, does not properly synchronize the p2m and m2p tables when the set_p2m_entry function fails, which allows local HVM guest OS administrators to cause a denial of service (memory consumption and assertion failure), aka "Memory mapping failure DoS vulnerability."

Scores

CVSS scores of CVE-2012-4537, 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)
0.44% · 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 (23)

Sources

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

Record last updated .