VulnerabilityModified
CVE-2014-1896
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…
MEDIUM 4.9EPSS 0.54%
Does this matter?
Lower severity and a low EPSS score (0.54%). Track it; it rarely justifies an emergency change on its own.
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."
- CVSS 2.0
- 4.9 MEDIUMAV:A/AC:M/Au:S/C:P/I:P/A:P
- EPSS
- 0.54% probability · 44th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- xen/xen
- Source
- cve@mitre.org
References
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.html
- http://security.gentoo.org/glsa/glsa-201407-03.xml
- http://www.openwall.com/lists/oss-security/2014/02/07/12
- http://www.openwall.com/lists/oss-security/2014/02/10/7
- http://xenbits.xen.org/xsa/advisory-86.htmlPatch, Vendor Advisory
- http://xenbits.xen.org/xsa/xsa86.patchPatch
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.html
- http://security.gentoo.org/glsa/glsa-201407-03.xml
- http://www.openwall.com/lists/oss-security/2014/02/07/12
- http://www.openwall.com/lists/oss-security/2014/02/10/7
- http://xenbits.xen.org/xsa/advisory-86.htmlPatch, Vendor Advisory
- http://xenbits.xen.org/xsa/xsa86.patchPatch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.