Back
CVE-2012-2625
The PyGrub boot loader in Xen unstable before changeset 25589:60f09d1ab1fe, 4.2.x, and 4.1.x allows local para-virtualized guest users to…
- 2.7LowCVSS base score
- 0.92%Exploitation in 30 daysEPSS · top 39% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
The PyGrub boot loader in Xen unstable before changeset 25589:60f09d1ab1fe, 4.2.x, and 4.1.x allows local para-virtualized guest users to cause a denial of service (memory consumption) via a large (1) bzip2 or (2) lzma compressed kernel image.
Timeline
ID reserved
By mitre
- 6 months later
· 6 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 | Low2.7 | AV:A/AC:L/Au:S/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 0.92% · top 39% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 2.7.
Affected products
n/a
- affected n/a
References
15
- [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
- RHSA-2012:1130 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 51413 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1817 (opens in a new tab)x_refsource_MISCx_transferred
- SUSE-SU-2012:1135 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- SUSE-SU-2012:1044 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 53650 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- openSUSE-SU-2012:1572 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 1027090 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- SUSE-SU-2012:1043 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- openSUSE-SU-2012:1174 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- http://xenbits.xensource.com/hg/xen-unstable.hg/rev/60f09d1ab1fe (opens in a new tab)x_refsource_CONFIRMx_transferred
- openSUSE-SU-2012:1573 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 49184 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- openSUSE-SU-2012:1172 (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)
- EUVD EUVD-2012-2611 (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-2012-2625)Record last updated .