xen: use-after-free in xc_cpupool_getinfo() under memory pressure (XSA-88)
Published Feb 14, 2014
4.6
MEDIUMCVSS 2.0
EPSS 0.38%
Description
Use-after-free vulnerability in the xc_cpupool_getinfo function in Xen 4.1.x through 4.3.x, when using a multithreaded toolstack, does not properly handle a failure by the xc_cpumap_alloc function, which allows local users with access to management functions to cause a denial of service (heap corruption) and possibly gain privileges via unspecified vectors.
Affected products
No data.
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
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. This issue did not affect Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG 2 as we did not have support for Xen hypervisor.
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:P/I:P/A:P
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 (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.38% (0.00384) | 30.05th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.38% (0.00384) | 30.01th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.06% (0.00062) | 16.64th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | 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 (9)
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00010.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.html vendor-advisoryx_refsource_SUSE
- http://www.debian.org/security/2014/dsa-3006 vendor-advisoryx_refsource_DEBIAN
- http://www.openwall.com/lists/oss-security/2014/02/12/17 mailing-listx_refsource_MLIST
- http://xenbits.xen.org/xsa/advisory-88.html x_refsource_CONFIRMVendor Advisory
- https://access.redhat.com/security/cve/CVE-2014-1950 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1064490 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2014-1950
- https://www.cve.org/CVERecord?id=CVE-2014-1950
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00010.html | vendor-advisoryx_refsource_SUSE | |
| http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.html | vendor-advisoryx_refsource_SUSE | |
| http://www.debian.org/security/2014/dsa-3006 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.openwall.com/lists/oss-security/2014/02/12/17 | mailing-listx_refsource_MLIST | |
| http://xenbits.xen.org/xsa/advisory-88.html | x_refsource_CONFIRMVendor Advisory | |
| https://access.redhat.com/security/cve/CVE-2014-1950 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1064490 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2014-1950 | ||
| https://www.cve.org/CVERecord?id=CVE-2014-1950 |
Change history (0)
No recorded changes yet.