The vgic_distr_mmio_write function in the virtual guest interrupt controller (GIC) distributor (arch/arm/vgic.c) in Xen 4.4.x, when running on an ARM system, allows local guest users to cause a denial of service (NULL pointer dereference and host crash) via unspecified vectors
Published Apr 28, 2014
5.5
MEDIUMCVSS 2.0
EPSS 0.64%
Description
The vgic_distr_mmio_write function in the virtual guest interrupt controller (GIC) distributor (arch/arm/vgic.c) in Xen 4.4.x, when running on an ARM system, allows local guest users to cause a denial of service (NULL pointer dereference and host crash) via unspecified vectors.
Affected products
Remediation
Red Hat statement
Not vulnerable. This issue did not affect the versions of the kernel-xen package 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:A/AC:L/Au:S/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 | 0.64% (0.00639) | 48.72th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.63% (0.00634) | 45.42th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.20% (0.00199) | 39.92th | 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 | 1.03% (0.01034) | 41.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.03% (0.01034) | 39.91th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.03% (0.01034) | 37.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.03% (0.01034) | 20.32th | v2 (v2022.01.01) |
References (9)
- http://www.openwall.com/lists/oss-security/2014/04/23/3 mailing-listx_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2014/04/23/4 mailing-listx_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2014/04/23/5 mailing-listx_refsource_MLIST
- http://www.securityfocus.com/bid/67047 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1030146 vdb-entryx_refsource_SECTRACK
- http://xenbits.xen.org/xsa/advisory-94.html x_refsource_CONFIRMPatchVendor Advisory
- https://access.redhat.com/security/cve/CVE-2014-2986 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2014-2986
- https://www.cve.org/CVERecord?id=CVE-2014-2986
| Link | Providers | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2014/04/23/3 | mailing-listx_refsource_MLIST | |
| http://www.openwall.com/lists/oss-security/2014/04/23/4 | mailing-listx_refsource_MLIST | |
| http://www.openwall.com/lists/oss-security/2014/04/23/5 | mailing-listx_refsource_MLIST | |
| http://www.securityfocus.com/bid/67047 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id/1030146 | vdb-entryx_refsource_SECTRACK | |
| http://xenbits.xen.org/xsa/advisory-94.html | x_refsource_CONFIRMPatchVendor Advisory | |
| https://access.redhat.com/security/cve/CVE-2014-2986 | Vendor Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2014-2986 | ||
| https://www.cve.org/CVERecord?id=CVE-2014-2986 |
Change history (0)
No recorded changes yet.