xen: grant table hypercall acquire/release imbalance
Published May 21, 2013
6.9
MEDIUMCVSS 2.0
EPSS 0.35%
Description
Xen 4.0.x and 4.1.x incorrectly releases a grant reference when releasing a non-v1, non-transitive grant, which allows local guest administrators to cause a denial of service (host crash), obtain sensitive information, or possibly have other impacts via unspecified vectors.
Affected products
No data.
No data.
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 5
kernel-xen
Not affected
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise MRG 2
realtime-kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 5 | kernel-xen | Not affected | n/a |
| Red Hat Enterprise Linux 6 | kernel | Not affected | n/a |
| Red Hat Enterprise MRG 2 | realtime-kernel | 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 the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG 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:M/Au:N/C:C/I:C/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 | 0.35% (0.00349) | 26.07th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.35% (0.00349) | 26.50th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.06% (0.00057) | 15.16th | 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) |
References (12)
- http://lists.fedoraproject.org/pipermail/package-announce/2013-May/104537.html vendor-advisoryx_refsource_FEDORA
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html vendor-advisoryx_refsource_SUSE
- http://secunia.com/advisories/55082 third-party-advisoryx_refsource_SECUNIA
- http://security.gentoo.org/glsa/glsa-201309-24.xml vendor-advisoryx_refsource_GENTOO
- http://www.debian.org/security/2013/dsa-2666 vendor-advisoryx_refsource_DEBIAN
- http://www.openwall.com/lists/oss-security/2013/04/18/9 mailing-listx_refsource_MLIST
- http://www.securityfocus.com/bid/59293 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1028459 vdb-entryx_refsource_SECTRACK
- https://access.redhat.com/security/cve/CVE-2013-1964 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=953632 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2013-1964
- https://www.cve.org/CVERecord?id=CVE-2013-1964
| Link | Providers | Tags |
|---|---|---|
| http://lists.fedoraproject.org/pipermail/package-announce/2013-May/104537.html | vendor-advisoryx_refsource_FEDORA | |
| http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html | vendor-advisoryx_refsource_SUSE | |
| http://secunia.com/advisories/55082 | third-party-advisoryx_refsource_SECUNIA | |
| http://security.gentoo.org/glsa/glsa-201309-24.xml | vendor-advisoryx_refsource_GENTOO | |
| http://www.debian.org/security/2013/dsa-2666 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.openwall.com/lists/oss-security/2013/04/18/9 | mailing-listx_refsource_MLIST | |
| http://www.securityfocus.com/bid/59293 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id/1028459 | vdb-entryx_refsource_SECTRACK | |
| https://access.redhat.com/security/cve/CVE-2013-1964 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=953632 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2013-1964 | ||
| https://www.cve.org/CVERecord?id=CVE-2013-1964 |
Change history (0)
No recorded changes yet.