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CVE-2014-1896

UnknownEPSS 0.54%

Last modified

CVE-2014-1896 is a vulnerability of currently unknown severity. 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.". EPSS estimates a 0.54% chance of exploitation in the next 30 days.

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."

Metrics

EPSS Probability
0.54%

41.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
XenXen4.2.0—
XenXen4.2.1—
XenXen4.2.2—
XenXen4.2.3—
XenXen4.3.0—
XenXen4.3.1—
XenXen4.4.0Rc1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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 end of the ring."
How severe is CVE-2014-1896?
Severity scoring for CVE-2014-1896 is pending analysis. The EPSS model estimates a 0.54% probability of exploitation in the next 30 days.
How do I fix CVE-2014-1896?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2014-1896?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST