CVE-2012-2625: xen Improper Input Validation
Vulnerability summary
CVE-2012-2625 is a low (CVSS 2.7) Improper Input Validation vulnerability in xen. EPSS estimates a 0.92% chance of exploitation in the next 30 days, higher than 60.4% of scored vulnerabilities.
Not severe (CVSS 2.7, adjacent network); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2 · Related 1Timeline
- 31-10-2012PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
0.92%
Chance of exploitation in the next 30 days
Percentile
60%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.92% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: adjacent network, authentication (CVSS vector). Other conditions: not stated in public data.
Redhat4 products
- xen< 0:3.0.3-135.el5_8.4
- xen-debuginfo< 0:3.0.3-135.el5_8.4
- xen-devel< 0:3.0.3-135.el5_8.4
- xen-libs< 0:3.0.3-135.el5_8.4
Xen2 products
- xen4.1.0 | 4.1.1 | 4.1.2 | 4.1.3 | 4.2.0
- xen-unstable< 25589\:60f09d1ab1fe
Debian1 product
- xen< 4.1.3-4
3 vendors · 7 products
References
23 links- lists.opensuse.org/opensuse-security-announce/2012-09/msg00005.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2012-08/msg00025.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2012-08/msg00024.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory
Show all 23 references
- lists.opensuse.org/opensuse-security-announce/2012-09/msg00018.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory