xen: printk is not rate-limited in xenmem_add_to_physmap_one
Published Sep 3, 2015
2.1
LOWCVSS 2.0
EPSS 0.40%
Description
The xenmem_add_to_physmap_one function in arch/arm/mm.c in Xen 4.5.x, 4.4.x, and earlier does not limit the number of printk console messages when reporting a failure to retrieve a reference on a foreign page, which allows remote domains to cause a denial of service by leveraging permissions to map the memory of a foreign guest.
Affected products
Remediation
Red Hat statement
Not vulnerable. This issue does not affect the Xen hypervisor packages as shipped with Red Hat Enterprise Linux 5. This issue does not affect Red Hat Enterprise Linux 6, 7 or any other Red Hat supported product because of the lack of Xen hypervisor support.
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 | 0.40% (0.00405) | 32.38th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.40% (0.00405) | 31.99th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.11% (0.00107) | 26.46th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.05% (0.00052) | 22.60th | v3 (v2023.03.01) |
| Jun 13, 2024 | 0.05% (0.00052) | 20.76th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.05% (0.00052) | 18.73th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00890) | 30.33th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00890) | 28.64th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00890) | 26.62th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00890) | 12.04th | v2 (v2022.01.01) |
References (7)
- http://www.debian.org/security/2015/dsa-3414 vendor-advisoryx_refsource_DEBIAN
- http://www.securitytracker.com/id/1033438 vdb-entryx_refsource_SECTRACK
- http://xenbits.xen.org/xsa/advisory-141.html x_refsource_CONFIRMPatchVendor Advisory
- https://access.redhat.com/security/cve/CVE-2015-6654 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1256399 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2015-6654
- https://www.cve.org/CVERecord?id=CVE-2015-6654
| Link | Providers | Tags |
|---|---|---|
| http://www.debian.org/security/2015/dsa-3414 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.securitytracker.com/id/1033438 | vdb-entryx_refsource_SECTRACK | |
| http://xenbits.xen.org/xsa/advisory-141.html | x_refsource_CONFIRMPatchVendor Advisory | |
| https://access.redhat.com/security/cve/CVE-2015-6654 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1256399 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2015-6654 | ||
| https://www.cve.org/CVERecord?id=CVE-2015-6654 |
Change history (0)
No recorded changes yet.