HIGH
xen: grant table operations mishandle reference counts (XSA-224)
Published Jul 5, 2017
8.5
HIGHCVSS 3.0
EPSS 2.01%
Description
The grant-table feature in Xen through 4.8.x mishandles MMIO region grant references, which allows guest OS users to cause a denial of service (loss of grant trackability), aka XSA-224 bug 3.
Affected products
Remediation
Red Hat mitigation
Running only HVM guests will avoid this vulnerability.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
7.5 HIGH NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
1 other source (Red Hat) ▾
8.5 HIGH Red Hat
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack Vector Network
Attack Complexity High
Privileges Required Low
User Interaction None
Scope Changed
Confidentiality Impact High
Integrity Impact High
Availability Impact High
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
2.01% 0.02008
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.02008
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.01% (0.02008) | 80.13th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.01% (0.02008) | 78.22th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.73% (0.00729) | 70.34th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.45% (0.02447) | 75.28th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.73% (0.00729) | 70.96th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.47% (0.00472) | 76.46th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.47% (0.00472) | 74.91th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.47% (0.00472) | 71.87th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.55% (0.01550) | 33.66th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.55% (0.01550) | 0.00th | v1 |
Weaknesses (1)
References (10)
- http://www.debian.org/security/2017/dsa-3969 vendor-advisoryx_refsource_DEBIAN
- http://www.securitytracker.com/id/1038734 vdb-entryx_refsource_SECTRACK
- http://xenbits.xen.org/xsa/advisory-224.html
- https://access.redhat.com/security/cve/CVE-2017-10922 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1458878 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2017-10922
- https://security.gentoo.org/glsa/201708-03 vendor-advisoryx_refsource_GENTOO
- https://security.gentoo.org/glsa/201710-17 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2017-10922
- https://xenbits.xen.org/xsa/advisory-224.html x_refsource_CONFIRMPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.debian.org/security/2017/dsa-3969 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.securitytracker.com/id/1038734 | vdb-entryx_refsource_SECTRACK | |
| http://xenbits.xen.org/xsa/advisory-224.html | ||
| https://access.redhat.com/security/cve/CVE-2017-10922 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1458878 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-10922 | ||
| https://security.gentoo.org/glsa/201708-03 | vendor-advisoryx_refsource_GENTOO | |
| https://security.gentoo.org/glsa/201710-17 | vendor-advisoryx_refsource_GENTOO | |
| https://www.cve.org/CVERecord?id=CVE-2017-10922 | ||
| https://xenbits.xen.org/xsa/advisory-224.html | x_refsource_CONFIRMPatchVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jul 5, 2017
Updated Aug 5, 2024
Reserved Jul 4, 2017
Link CVE-2017-10922
CISA Vulnrichment
Updated n/a