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CVE-2012-4544
The PV domain builder in Xen 4.2 and earlier does not validate the size of the kernel or ramdisk (1) before or (2) after decompression,…
Low2.1EPSS 0.42%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
The PV domain builder in Xen 4.2 and earlier does not validate the size of the kernel or ramdisk (1) before or (2) after decompression, which allows local guest administrators to cause a denial of service (domain 0 memory consumption) via a crafted (a) kernel or (b) ramdisk.
Timeline
ID reserved
By redhat
- 2 months later
· 2 months later
Published
- 12 years later
· 12 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Low2.1 | AV:L/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 0.42% · top 63% of all CVEs (8 Nov 2026)
Loading the EPSS history…
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 (21)
- SUSE-SU-2014:0470 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 51071 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- [oss-security] 20121026 Xen Security Advisory 25 (CVE-2012-4544) - Xen domain builder Out-of-memory due to malicious kernel/ramdisk (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- FEDORA-2012-17408 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 51413 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- FEDORA-2012-17204 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- SUSE-SU-2012:1486 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- DSA-2636 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- xen-pvdomainbuilder-dos(79617) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- FEDORA-2012-17135 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 56289 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 1027699 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- RHSA-2013:0241 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- openSUSE-SU-2012:1572 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 86619 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- SUSE-SU-2012:1487 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- SUSE-SU-2014:0446 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 51352 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 51324 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- SUSE-SU-2014:0411 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- openSUSE-SU-2012:1573 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2012-4544)Record last updated .