The (1) do_send and (2) do_recv functions in io.c in libvchan in Xen 4.2.x, 4.3.x, and 4.4-RC series allows local guests to cause a denial…

Description

The (1) do_send and (2) do_recv functions in io.c in libvchan in Xen 4.2.x, 4.3.x, and 4.4-RC series allows local guests to cause a denial of service or possibly gain privileges via crafted xenstore ring indexes, which triggers a "read or write past the end of the ring."

Scores

EPSS (exploitation in 30 days)

0.54% · top 55% of all CVEs (4 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.9.

Weakness

• n/a
• CWE-20 (opens in a new tab)All about CWE-20 and its CVEs

Affected products

• n/a

  • affected n/a

References (6)

• http://xenbits.xen.org/xsa/xsa86.patch (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://xenbits.xen.org/xsa/advisory-86.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• SUSE-SU-2014:0373 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• GLSA-201407-03 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
• [oss-security] 20140210 Xen Security Advisory 86 (CVE-2014-1896) - libvchan failure handling malicious ring indexes (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [oss-security] 20140207 Re: Xen Security Advisory 84 - integer overflow in several XSM/Flask hypercalls (opens in a new tab)mailing-listx_refsource_MLISTx_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)

Badge for a README or a ticket

[![CVE-2014-1896](https://trackcve.app/badge/CVE-2014-1896.svg)](https://trackcve.app/cve/CVE-2014-1896)

Record last updated 6 Aug 2024, 09:58 UTC.