xen: add-to-physmap error paths fail to release lock on ARM
Published Oct 18, 2017
6.0
MEDIUMCVSS 3.0
EPSS 0.37%
Description
An issue was discovered in Xen 4.4.x through 4.9.x allowing ARM guest OS users to cause a denial of service (prevent physical CPU usage) because of lock mishandling upon detection of an add-to-physmap error.
Affected products
No data.
- 4.4.0
- 4.4.0
- 4.4.0
- 4.4.0
- 4.4.0
- 4.4.0
- 4.4.0
- 4.4.1
- 4.4.1
- 4.4.1
- 4.4.2
- 4.4.2
- 4.4.2
- 4.4.3
- 4.4.3
- 4.4.4
- 4.5.0
- 4.5.0
- 4.5.0
- 4.5.0
- 4.5.0
- 4.5.1
- 4.5.1
- 4.5.1
- 4.5.2
- 4.5.3
- 4.5.4
- 4.5.5
- 4.6.0
- 4.6.0
- 4.6.0
- 4.6.0
- 4.6.0
- 4.6.0
- 4.6.1
- 4.6.2
- 4.6.3
- 4.6.4
- 4.6.5
- 4.6.6
- 4.7.0
- 4.7.0
- 4.7.0
- 4.7.0
- 4.7.0
- 4.7.0
- 4.7.0
- 4.7.1
- 4.7.2
- 4.7.3
- 4.8.0
- 4.8.0
- 4.8.0
- 4.8.0
- 4.8.0
- 4.8.0
- 4.8.0
- 4.8.0
- 4.8.0
- 4.8.1
- 4.8.2
- 4.9.0
- 4.9.0
- 4.9.0
- 4.9.0
- 4.9.0
- 4.9.0
- 4.9.0
- 4.9.0
- 4.9.0
- 4.9.0
- 4.9.0
- 4.9.0
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.
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
AV:L/AC:L/Au:N/C:N/I:N/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.37% (0.00370) | 28.50th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.37% (0.00370) | 30.84th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.05% (0.00052) | 21.27th | v3 (v2023.03.01) |
| Jun 13, 2024 | 0.05% (0.00052) | 20.76th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.05% (0.00052) | 18.73th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00890) | 30.33th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00890) | 12.04th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.04% (0.01036) | 27.56th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.04% (0.01036) | 0.00th | v1 |
References (7)
- http://www.debian.org/security/2017/dsa-3969 vendor-advisoryx_refsource_DEBIAN
- http://www.securitytracker.com/id/1039568 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2017-15596 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1484476 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2017-15596
- https://www.cve.org/CVERecord?id=CVE-2017-15596
- https://xenbits.xen.org/xsa/advisory-235.html x_refsource_CONFIRMMitigationPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.debian.org/security/2017/dsa-3969 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.securitytracker.com/id/1039568 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2017-15596 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1484476 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-15596 | ||
| https://www.cve.org/CVERecord?id=CVE-2017-15596 | ||
| https://xenbits.xen.org/xsa/advisory-235.html | x_refsource_CONFIRMMitigationPatchVendor Advisory |
Change history (0)
No recorded changes yet.