Multiple integer overflows in the (1) tmh_copy_from_client and (2) tmh_copy_to_client functions in the Transcendent Memory (TMEM) in Xen 4.0, 4.1, and 4.2 allow local guest OS users to cause a denial of service (memory corruption and host crash) via unspecified vectors
Published Nov 23, 2012
4.9
MEDIUMCVSS 2.0
EPSS 0.42%
Description
Multiple integer overflows in the (1) tmh_copy_from_client and (2) tmh_copy_to_client functions in the Transcendent Memory (TMEM) in Xen 4.0, 4.1, and 4.2 allow local guest OS users to cause a denial of service (memory corruption and host crash) via unspecified vectors. NOTE: this issue was originally published as part of CVE-2012-3497, which was too general; CVE-2012-3497 has been SPLIT into this ID and others.
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 because we did not support TMEM (Transcendent Memory). 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: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 | 0.42% (0.00418) | 33.78th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.42% (0.00418) | 33.17th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.08% (0.00082) | 21.75th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.06% (0.00058) | 25.93th | v3 (v2023.03.01) |
| Jun 12, 2024 | 0.06% (0.00058) | 24.03th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00058) | 22.02th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.28% (0.01282) | 68.34th | v2 (v2022.01.01) |
| Feb 22, 2023 | 1.28% (0.01282) | 68.05th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.28% (0.01282) | 65.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.28% (0.01282) | 41.72th | v2 (v2022.01.01) |
References (14)
- http://lists.xen.org/archives/html/xen-announce/2012-09/msg00006.html mailing-listx_refsource_MLISTVendor Advisory
- http://osvdb.org/85199 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/50472 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/55082 third-party-advisoryx_refsource_SECUNIA
- http://security.gentoo.org/glsa/glsa-201309-24.xml vendor-advisoryx_refsource_GENTOO
- http://wiki.xen.org/wiki/Security_Announcements#XSA-15_multiple_TMEM_hypercall_vulnerabilities x_refsource_CONFIRMVendor Advisory
- http://www.openwall.com/lists/oss-security/2012/09/05/8 mailing-listx_refsource_MLIST
- http://www.securityfocus.com/bid/55410 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1027482 vdb-entryx_refsource_SECTRACK
- https://access.redhat.com/security/cve/CVE-2012-6032 Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/78268 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2012-6032
- https://security.gentoo.org/glsa/201604-03 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2012-6032
Change history (0)
No recorded changes yet.