CRITICAL
xen: grant_table: Race conditions with maptrack free list handling (XSA-228)
Published Aug 24, 2017
9.1
CRITICALCVSS 3.0
EPSS 0.31%
Description
Race condition in the grant table code in Xen 4.6.x through 4.9.x allows local guest OS administrators to cause a denial of service (free list corruption and host crash) or gain privileges on the host via vectors involving maptrack free list handling.
Affected products
No data.
Configuration 1
Configuration 2
Configuration 3
OR
- 8.0
- 9.0
No data.
Red Hat Enterprise Linux 5
xen
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | xen | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
7.8 HIGH NVD
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack Vector Local
Attack Complexity High
Privileges Required Low
User Interaction None
Scope Changed
Confidentiality Impact High
Integrity Impact High
Availability Impact High
1 other source (Red Hat) ▾
9.1 CRITICAL Red Hat
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required High
User Interaction None
Scope Changed
Confidentiality Impact High
Integrity Impact High
Availability Impact High
6.9 MEDIUM NVD
AV:L/AC:M/Au:N/C:C/I:C/A:C
Access Vector Local
Access Complexity Medium
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
0.31% 0.00311
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.00311
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.31% (0.00311) | 21.65th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.31% (0.00311) | 22.55th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.05% (0.00053) | 13.54th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.06% (0.00062) | 28.60th | v3 (v2023.03.01) |
| Jun 13, 2024 | 0.06% (0.00062) | 26.61th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00062) | 24.59th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.10% (0.01104) | 54.09th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.10% (0.01104) | 52.45th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.10% (0.01104) | 50.41th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.10% (0.01104) | 28.85th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.31% (0.02314) | 53.75th | v1 |
| Jan 6, 2022 | 2.31% (0.02314) | 53.29th | v1 |
| Sep 1, 2021 | 2.31% (0.02314) | 78.25th | v1 |
| Apr 14, 2021 | 2.31% (0.02314) | 0.00th | v1 |
Weaknesses (1)
References (11)
- http://www.debian.org/security/2017/dsa-3969 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.openwall.com/lists/oss-security/2017/08/15/3 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/100346 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039175 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- http://xenbits.xen.org/xsa/advisory-228.html x_refsource_CONFIRMPatchVendor Advisory
- https://access.redhat.com/security/cve/CVE-2017-12136 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1477651 x_refsource_MISCIssue TrackingPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-12136
- https://security.gentoo.org/glsa/201801-14 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://support.citrix.com/article/CTX225941 x_refsource_CONFIRMPatchThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2017-12136
| Link | Providers | Tags |
|---|---|---|
| http://www.debian.org/security/2017/dsa-3969 | vendor-advisoryx_refsource_DEBIANThird Party Advisory | |
| http://www.openwall.com/lists/oss-security/2017/08/15/3 | mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory | |
| http://www.securityfocus.com/bid/100346 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1039175 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| http://xenbits.xen.org/xsa/advisory-228.html | x_refsource_CONFIRMPatchVendor Advisory | |
| https://access.redhat.com/security/cve/CVE-2017-12136 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1477651 | x_refsource_MISCIssue TrackingPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-12136 | ||
| https://security.gentoo.org/glsa/201801-14 | vendor-advisoryx_refsource_GENTOOThird Party Advisory | |
| https://support.citrix.com/article/CTX225941 | x_refsource_CONFIRMPatchThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2017-12136 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Aug 24, 2017
Updated Aug 5, 2024
Reserved Aug 1, 2017
Link CVE-2017-12136
CISA Vulnrichment
Updated n/a