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Vulnerability · Published Jul 28, 2020 · Assigned by mitre

CVE-2020-15863

Medium 5.3

In plain English

A medium-severity security flaw in the qemu package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.3Medium
Exploit odds (30 days)0.5%top 58.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

hw/net/xgmac.c in the XGMAC Ethernet controller in QEMU before 07-20-2020 has a buffer overflow. This occurs during packet transmission and affects the highbank and midway emulated machines. A guest user or process could use this flaw to crash the QEMU process on the host, resulting in a denial of service or potential privileged code execution. This was fixed in commit 5519724a13664b43e225ca05351c60b4468e4555.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20qemu5.1.0-r1ALPINE-CVE-2020-15863
Alpine:v3.21qemu5.1.0-r1ALPINE-CVE-2020-15863
Alpine:v3.22qemu5.1.0-r1ALPINE-CVE-2020-15863
Alpine:v3.23qemu5.1.0-r1ALPINE-CVE-2020-15863
Alpine:v3.24qemu5.1.0-r1ALPINE-CVE-2020-15863
Debian:12qemu1:5.0-12DEBIAN-CVE-2020-15863
Debian:13qemu1:5.0-12DEBIAN-CVE-2020-15863
Debian:14qemu1:5.0-12DEBIAN-CVE-2020-15863

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References