kernel: xen: Grant Table hypercall infinite loop can crash Xen
Published Nov 21, 2012
2.1
LOWCVSS 2.0
EPSS 0.43%
Description
Xen 4.0 through 4.2, when running 32-bit x86 PV guests on 64-bit hypervisors, allows local guest OS administrators to cause a denial of service (infinite loop and hang or crash) via invalid arguments to GNTTABOP_get_status_frames, aka "Grant table hypercall infinite loop DoS vulnerability."
Affected products
No data.
No data.
Red Hat Enterprise Linux 5
kernel-xen
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel-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 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:N/I:N/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 2, 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 2, 2026 | 0.43% (0.00433) | 35.31th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.43% (0.00433) | 34.30th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.07% (0.00074) | 19.77th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.06% (0.00064) | 30.08th | v3 (v2023.03.01) |
| Jun 21, 2024 | 0.06% (0.00064) | 28.17th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00064) | 26.16th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.55% (0.01547) | 74.98th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.55% (0.01547) | 74.94th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.55% (0.01547) | 72.92th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.55% (0.01547) | 51.82th | v2 (v2022.01.01) |
References (26)
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00008.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00009.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00001.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00018.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html vendor-advisoryx_refsource_SUSE
- http://lists.xen.org/archives/html/xen-announce/2012-11/msg00002.html mailing-listx_refsource_MLISTVendor Advisory
- http://secunia.com/advisories/51200 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/51324 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/51352 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/51413 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/51468 third-party-advisoryx_refsource_SECUNIA
- 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/2012/dsa-2582 vendor-advisoryx_refsource_DEBIAN
- http://www.openwall.com/lists/oss-security/2012/11/13/4 mailing-listx_refsource_MLIST
- http://www.osvdb.org/87305 vdb-entryx_refsource_OSVDB
- http://www.securityfocus.com/bid/56498 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1027763 vdb-entryx_refsource_SECTRACK
- https://access.redhat.com/security/cve/CVE-2012-4539 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=870110 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/80026 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2012-4539
- https://security.gentoo.org/glsa/201604-03 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2012-4539
Change history (0)
No recorded changes yet.