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CVE-2017-12134
The xen_biovec_phys_mergeable function in drivers/xen/biomerge.c in Xen might allow local OS guest users to corrupt block device data…
High8.8EPSS 0.50%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
The xen_biovec_phys_mergeable function in drivers/xen/biomerge.c in Xen might allow local OS guest users to corrupt block device data streams and consequently obtain sensitive memory information, cause a denial of service, or gain host OS privileges by leveraging incorrect block IO merge-ability calculation.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High8.8 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.50% · top 57% of all CVEs (4 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Weakness
Affected products
n/a
- affected n/a
References (10)
- https://support.citrix.com/article/CTX225941 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1039176 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- http://xenbits.xen.org/xsa/advisory-229.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- DSA-3981 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- USN-3655-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=1477656 (opens in a new tab)x_refsource_MISCx_transferred
- GLSA-201801-14 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- USN-3655-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- [oss-security] 20170815 Xen Security Advisory 229 (CVE-2017-12134) - linux: Fix Xen block IO merge-ability calculation (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 100343 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2017-12134)Record last updated .