MEDIUM
Security: vulnerability of copy_to_user in PAL emulation
Published Dec 17, 2007
4.6
MEDIUMCVSS 2.0
EPSS 0.44%
Description
The copy_to_user function in the PAL emulation functionality for Xen 3.1.2 and earlier, when running on ia64 systems, allows HVM guest users to access arbitrary physical memory by triggering certain mapping operations.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
4.6 MEDIUM NVD
AV:L/AC:L/Au:N/C:P/I:P/A:P
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
0.44% 0.00440
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.00440
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.44% (0.00440) | 35.96th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.44% (0.00440) | 34.88th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.08% (0.00082) | 21.59th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.10% (0.00101) | 43.17th | v3 (v2023.03.01) |
| Jul 10, 2024 | 0.10% (0.00100) | 41.81th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.10% (0.00100) | 39.77th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.03% (0.01034) | 41.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.03% (0.01034) | 39.91th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.03% (0.01034) | 37.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.03% (0.01034) | 20.32th | v2 (v2022.01.01) |
Weaknesses (1)
References (11)
- http://osvdb.org/41344 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/28146 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/28643 third-party-advisoryx_refsource_SECUNIA
- http://www.redhat.com/support/errata/RHSA-2008-0089.html vendor-advisoryx_refsource_REDHAT
- http://www.securityfocus.com/bid/26954 vdb-entryx_refsource_BID
- http://xenbits.xensource.com/ext/ia64/xen-unstable.hg?rev/e6069a715fd7 x_refsource_CONFIRMExploit
- https://access.redhat.com/security/cve/CVE-2007-6416 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=425381 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2007-6416
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9840 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2007-6416
| Link | Providers | Tags |
|---|---|---|
| http://osvdb.org/41344 | vdb-entryx_refsource_OSVDB | |
| http://secunia.com/advisories/28146 | third-party-advisoryx_refsource_SECUNIA | |
| http://secunia.com/advisories/28643 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.redhat.com/support/errata/RHSA-2008-0089.html | vendor-advisoryx_refsource_REDHAT | |
| http://www.securityfocus.com/bid/26954 | vdb-entryx_refsource_BID | |
| http://xenbits.xensource.com/ext/ia64/xen-unstable.hg?rev/e6069a715fd7 | x_refsource_CONFIRMExploit | |
| https://access.redhat.com/security/cve/CVE-2007-6416 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=425381 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2007-6416 | ||
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9840 | vdb-entrysignaturex_refsource_OVAL | |
| https://www.cve.org/CVERecord?id=CVE-2007-6416 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Dec 17, 2007
Updated Aug 7, 2024
Reserved Dec 17, 2007
Link CVE-2007-6416
CISA Vulnrichment
Updated n/a