xen: GICD_SGIR is not properly emulated on ARM architecture (XSA-117)
Published Feb 16, 2015
4.9
MEDIUMCVSS 2.0
EPSS 0.41%
Description
The vgic_v2_to_sgi function in arch/arm/vgic-v2.c in Xen 4.5.x, when running on ARM hardware with general interrupt controller (GIC) version 2, allows local guest users to cause a denial of service (host crash) by writing an invalid value to the GICD.SGIR register.
Affected products
Remediation
Red Hat statement
This issue did not affect the versions of xen as shipped with Red Hat Enterprise Linux 5.
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.
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
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 | 0.41% (0.00415) | 33.42th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.41% (0.00415) | 32.88th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.05% (0.00051) | 12.91th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.06% (0.00059) | 26.93th | v3 (v2023.03.01) |
| May 25, 2024 | 0.06% (0.00059) | 24.81th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00059) | 22.80th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00950) | 32.28th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.95% (0.00950) | 30.63th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.95% (0.00950) | 28.61th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00950) | 13.46th | v2 (v2022.01.01) |
References (8)
- http://www.securityfocus.com/bid/72591 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1031746 vdb-entryx_refsource_SECTRACK
- http://xenbits.xen.org/xsa/advisory-117.html x_refsource_CONFIRMVendor Advisory
- https://access.redhat.com/security/cve/CVE-2015-0268 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1187148 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/100868 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2015-0268
- https://www.cve.org/CVERecord?id=CVE-2015-0268
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/72591 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id/1031746 | vdb-entryx_refsource_SECTRACK | |
| http://xenbits.xen.org/xsa/advisory-117.html | x_refsource_CONFIRMVendor Advisory | |
| https://access.redhat.com/security/cve/CVE-2015-0268 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1187148 | Issue Tracking | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/100868 | vdb-entryx_refsource_XF | |
| https://nvd.nist.gov/vuln/detail/CVE-2015-0268 | ||
| https://www.cve.org/CVERecord?id=CVE-2015-0268 |
Change history (0)
No recorded changes yet.