CVE-2017-14316

Severity: high (CVSS 8.8 v3.0)
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: 2017-09-12 · updated 2026-06-17
Weakness: CWE-125

Description

A parameter verification issue was discovered in Xen through 4.9.x. The function `alloc_heap_pages` allows callers to specify the first NUMA node that should be used for allocations through the `memflags` parameter; the node is extracted using the `MEMF_get_node` macro. While the function checks to see if the special constant `NUMA_NO_NODE` is specified, it otherwise does not handle the case where `node >= MAX_NUMNODES`. This allows an out-of-bounds access to an internal array.

Affected products

xen: through 4.9.0

References

http://www.securityfocus.com/bid/100818
http://www.securitytracker.com/id/1039348
http://xenbits.xen.org/xsa/advisory-231.html
https://lists.debian.org/debian-lts-announce/2018/10/msg00009.html
https://support.citrix.com/article/CTX227185
https://www.debian.org/security/2017/dsa-4050
http://www.securityfocus.com/bid/100818
http://www.securitytracker.com/id/1039348
http://xenbits.xen.org/xsa/advisory-231.html
https://lists.debian.org/debian-lts-announce/2018/10/msg00009.html
https://support.citrix.com/article/CTX227185
https://www.debian.org/security/2017/dsa-4050

Get alerted when CVE-2017-14316 or the next vulnerability affects your stack