CVE-2015-8340

Severity: medium (CVSS 4.7 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-12-17 · updated 2026-06-17
Weakness: CWE-17

Description

The memory_exchange function in common/memory.c in Xen 3.2.x through 4.6.x does not properly release locks, which might allow guest OS administrators to cause a denial of service (deadlock or host crash) via unspecified vectors, related to XENMEM_exchange error handling.

Affected products

xen: 3.2.0, 3.2.1, 3.2.2, 3.2.3, 3.3.0, 3.3.1 (+38)

References

http://support.citrix.com/article/CTX203451
http://www.debian.org/security/2016/dsa-3519
http://www.securityfocus.com/bid/79038
http://www.securitytracker.com/id/1034391
http://xenbits.xen.org/xsa/advisory-159.html
https://security.gentoo.org/glsa/201604-03
http://support.citrix.com/article/CTX203451
http://www.debian.org/security/2016/dsa-3519
http://www.securityfocus.com/bid/79038
http://www.securitytracker.com/id/1034391
http://xenbits.xen.org/xsa/advisory-159.html
https://security.gentoo.org/glsa/201604-03

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