CVE-2010-4255
The fixup_page_fault function in arch/x86/traps.c in Xen 4.0.1 and earlier on 64-bit platforms, when paravirtualization is enabled, does not verify that kernel mode is used to call the
02 Description
The fixup_page_fault function in arch/x86/traps.c in Xen 4.0.1 and earlier on 64-bit platforms, when paravirtualization is enabled, does not verify that kernel mode is used to call the
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.76% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 55.3% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2011-01-25 00:00Z15 YR AGO
- Last updated
- 2024-08-07 03:34Z2 YR AGO
- Reserved
- 2010-11-16
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- No CWE assigned
- Data version
- 5.1
- Document digest
- 77c823a92c2ebfd42efd1667b812e1514ea4dd9c53c4b1836f5bc916f775af53
05 Affected products
06 References
- www.securityfocus.com20111013 VMSA-2011-0012 VMware ESXi and ESX updates to third party libraries and ESX Service Consolehttp://www.securityfocus.com/archive/1/520102/100/0/threaded
- www.redhat.comRHSA-2011:0017http://www.redhat.com/support/errata/RHSA-2011-0017.html
- secunia.com46397http://secunia.com/advisories/46397
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=658155
- openwall.com[oss-security] 20101130 CVE request: xen: x86-64: don't crash Xen upon direct pv guest accesshttp://openwall.com/lists/oss-security/2010/11/30/5
- www.vmware.comhttp://www.vmware.com/security/advisories/VMSA-2011-0012.html
- secunia.com42884http://secunia.com/advisories/42884
- lists.xensource.com[xen-devel] 20101129 [PATCH] x86-64: don't crash Xen upon direct pv guest accesshttp://lists.xensource.com/archives/html/xen-devel/2010-11/msg01650.html
- openwall.com[oss-security] 20101130 Re: CVE request: xen: x86-64: don't crash Xen upon direct pv guest accesshttp://openwall.com/lists/oss-security/2010/11/30/8
07 Fixed in
Debian 12
- xen Fixed in 4.0.1-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- xen Fixed in 4.0.1-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- xen Fixed in 4.0.1-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.