Log in Start free

Vulnerability · Published Oct 6, 2020 · Assigned by mitre

CVE-2020-25742

Low 3.2

In plain English

A low-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)3.2Low
Exploit odds (30 days)0.5%top 59.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

pci_change_irq_level in hw/pci/pci.c in QEMU before 5.1.1 has a NULL pointer dereference because pci_get_bus() might not return a valid pointer.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20qemu5.2.0-r0ALPINE-CVE-2020-25742
Alpine:v3.21qemu5.2.0-r0ALPINE-CVE-2020-25742
Alpine:v3.22qemu5.2.0-r0ALPINE-CVE-2020-25742
Alpine:v3.23qemu5.2.0-r0ALPINE-CVE-2020-25742
Alpine:v3.24qemu5.2.0-r0ALPINE-CVE-2020-25742
Debian:12qemuno fix listedDEBIAN-CVE-2020-25742
Debian:13qemuno fix listedDEBIAN-CVE-2020-25742
Debian:14qemuno fix listedDEBIAN-CVE-2020-25742
Ubuntu:22.04:LTSqemuno fix listedUBUNTU-CVE-2020-25742
Ubuntu:24.04:LTSqemuno fix listedUBUNTU-CVE-2020-25742
Ubuntu:25.10qemuno fix listedUBUNTU-CVE-2020-25742
Ubuntu:26.04:LTSqemuno fix listedUBUNTU-CVE-2020-25742
Ubuntu:26.10qemuno fix listedUBUNTU-CVE-2020-25742
Ubuntu:26.04:LTSqemu-hweno fix listedUBUNTU-CVE-2020-25742
Ubuntu:26.10qemu-hweno fix listedUBUNTU-CVE-2020-25742

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References