What is CVE-2017-15596?

CVE-2017-15596 is a medium-severity vulnerability in Xen, classified under Uncontrolled Resource Consumption. CVSS score: 6.0/10. Published 2017-10-18.

How severe is CVE-2017-15596?

Medium severity. CVSS v3 base score is 6.0 out of 10.

Is CVE-2017-15596 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Resource exhaustion in Xen

CVE-2017-15596

An issue was discovered in Xen 4.4.x through 4.9.x allowing ARM guest OS users to cause a denial of service (prevent physical CPU usage) because of lock mishandling upon detection of an add-to-physmap error.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.004 (29.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.0 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H.

Affected products

Xen — versions 4.4.0, 4.4.1, 4.4.2
N/a — versions n/a

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

Public proof-of-concept exploits

andir/nixos-issue-db-example

References

cve@mitre.org (vendor-advisory, x_refsource_DEBIAN)
cve@mitre.org (x_refsource_CONFIRM, Patch, Mitigation, Vendor Advisory)
cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)

Frequently asked questions

What is CVE-2017-15596?: CVE-2017-15596 is a medium-severity vulnerability in Xen, classified under Uncontrolled Resource Consumption. CVSS score: 6.0/10. Published 2017-10-18.
How severe is CVE-2017-15596?: Medium severity. CVSS v3 base score is 6.0 out of 10.
Is CVE-2017-15596 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.