CVE-2017-14318
CVSS V2 Medium 4.9
CVSS V3 Medium 6.5
Description
An issue was discovered in Xen 4.5.x through 4.9.x. The function `__gnttab_cache_flush` handles GNTTABOP_cache_flush grant table operations. It checks to see if the calling domain is the owner of the page that is to be operated on. If it is not, the owner's grant table is checked to see if a grant mapping to the calling domain exists for the page in question. However, the function does not check to see if the owning domain actually has a grant table or not. Some special domains, such as `DOMID_XEN`, `DOMID_IO` and `DOMID_COW` are created without grant tables. Hence, if __gnttab_cache_flush operates on a page owned by these special domains, it will attempt to dereference a NULL pointer in the domain struct.
Overview
- CVE ID
- CVE-2017-14318
- Assigner
- cve@mitre.org
- Vulnerability Status
- Modified
- Published Version
- 2017-09-12T15:29:00
- Last Modified Date
- 2017-11-30T02:29:03
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:xen:xen:4.5.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:xen:xen:4.5.1:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:xen:xen:4.5.2:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:xen:xen:4.5.3:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:xen:xen:4.5.5:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:xen:xen:4.6.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:xen:xen:4.6.1:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:xen:xen:4.6.3:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:xen:xen:4.6.4:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:xen:xen:4.6.5:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:xen:xen:4.6.6:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:xen:xen:4.7.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:xen:xen:4.7.1:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:xen:xen:4.7.2:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:xen:xen:4.7.3:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:xen:xen:4.8.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:xen:xen:4.8.1:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:xen:xen:4.9.0:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:L/Au:N/C:N/I:N/A:C
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- COMPLETE
- Base Score
- 4.9
- Severity
- MEDIUM
- Exploitability Score
- 3.9
- Impact Score
- 6.9
CVSS Version 3
- Version
- 3.0
- Vector String
- CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- CHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 6.5
- Base Severity
- MEDIUM
- Exploitability Score
- 2
- Impact Score
- 4
References
| Reference URL | Reference Tags |
|---|---|
| http://xenbits.xen.org/xsa/advisory-232.html | Patch Vendor Advisory |
| http://www.securitytracker.com/id/1039349 | Third Party Advisory VDB Entry |
| http://www.securityfocus.com/bid/100817 | Third Party Advisory VDB Entry |
| https://support.citrix.com/article/CTX227185 | |
| https://www.debian.org/security/2017/dsa-4050 |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2017-14318 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14318 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 08:10:20 | Added to TrackCVE | |||
| 2022-12-02 20:50:05 | 2017-09-12T15:29Z | 2017-09-12T15:29:00 | CVE Published Date | updated |
| 2022-12-02 20:50:05 | 2017-11-30T02:29:03 | CVE Modified Date | updated | |
| 2022-12-02 20:50:05 | Modified | Vulnerability Status | updated |