Log in Start free

Vulnerability · Published Apr 14, 2020 · Assigned by mitre

CVE-2020-11740

Medium 5.5

In plain English

A medium-severity security flaw in the xen package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 38% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.4%top 62.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

An issue was discovered in xenoprof in Xen through 4.13.x, allowing guest OS users (without active profiling) to obtain sensitive information about other guests. Unprivileged guests can request to map xenoprof buffers, even if profiling has not been enabled for those guests. These buffers were not scrubbed.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20xen4.13.0-r3ALPINE-CVE-2020-11740
Alpine:v3.21xen4.13.0-r3ALPINE-CVE-2020-11740
Alpine:v3.22xen4.13.0-r3ALPINE-CVE-2020-11740
Alpine:v3.23xen4.13.0-r3ALPINE-CVE-2020-11740
Alpine:v3.24xen4.13.0-r3ALPINE-CVE-2020-11740
Debian:12xen4.11.4-1DEBIAN-CVE-2020-11740
Debian:13xen4.11.4-1DEBIAN-CVE-2020-11740
Debian:14xen4.11.4-1DEBIAN-CVE-2020-11740

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References