CVE-2012-2625
Summary
| CVE | CVE-2012-2625 |
|---|---|
| State | PUBLISHED |
| Assigner | mitre |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2012-10-31 16:55:02 UTC |
| Updated | 2026-04-29 01:13:23 UTC |
| 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. |
Risk And Classification
CVSS v2.0 Breakdown
Access Vector
AdjacentAccess Complexity
LowAuthentication
SingleConfidentiality
NoneIntegrity
NoneAvailability
PartialAV:A/AC:L/Au:S/C:N/I:N/A:P
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Xen | Xen | 4.1.0 | All | All | All |
| Operating System | Xen | Xen | 4.1.1 | All | All | All |
| Operating System | Xen | Xen | 4.1.2 | All | All | All |
| Operating System | Xen | Xen | 4.1.3 | All | All | All |
| Operating System | Xen | Xen | 4.2.0 | All | All | All |
| Operating System | Xen | Xen-unstable | All | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Security Advisory SA49184 - Xen PyGrub Kernel Decompression Denial of Service Vulnerability - Secunia | af854a3a-2127-422b-91ae-364da2661108 | secunia.com | Third Party Advisory |
| Bug 1817 – pv bootloader doesn't check the size of the bzip2 or lzma compressed kernel | af854a3a-2127-422b-91ae-364da2661108 | bugzilla.xensource.com | Broken Link |
| [security-announce] openSUSE-SU-2012:1572-1: important: XEN: security an | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | Third Party Advisory |
| [security-announce] SUSE-SU-2012:1044-1: important: Security update for | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | Third Party Advisory |
| [security-announce] SUSE-SU-2012:1135-1: important: Security update for | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | Third Party Advisory |
| xen-unstable.hg: 60f09d1ab1fe | af854a3a-2127-422b-91ae-364da2661108 | xenbits.xensource.com | Vendor Advisory |
| Malformed Request | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | Third Party Advisory, VDB Entry |
| [security-announce] openSUSE-SU-2012:1573-1: important: XEN: security an | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | Third Party Advisory |
| [security-announce] openSUSE-SU-2012:1172-1: important: Security Update | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | Third Party Advisory |
| Security Advisory SA51413 - SUSE update for xen - Secunia | af854a3a-2127-422b-91ae-364da2661108 | secunia.com | Third Party Advisory |
| oss-security - Xen Security Advisory 25 (CVE-2012-4544) - Xen domain builder Out-of-memory due to malicious kernel/ramdisk | af854a3a-2127-422b-91ae-364da2661108 | www.openwall.com | Mailing List, Third Party Advisory |
| Xen PV Bootloader Bug Lets Local Guest Users Crash the System - SecurityTracker | af854a3a-2127-422b-91ae-364da2661108 | www.securitytracker.com | Third Party Advisory, VDB Entry |
| [security-announce] SUSE-SU-2012:1043-1: important: Security update for | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | Third Party Advisory |
| [security-announce] openSUSE-SU-2012:1174-1: important: Security Update | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | Third Party Advisory |
| Red Hat Customer Portal | af854a3a-2127-422b-91ae-364da2661108 | rhn.redhat.com | Third Party Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.