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Vulnerability · Published Oct 6, 2020 · Assigned by mitre

CVE-2020-25743

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

hw/ide/pci.c in QEMU before 5.1.1 can trigger a NULL pointer dereference because it lacks a pointer check before an ide_cancel_dma_sync call.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20qemu5.2.0-r0ALPINE-CVE-2020-25743
Alpine:v3.21qemu5.2.0-r0ALPINE-CVE-2020-25743
Alpine:v3.22qemu5.2.0-r0ALPINE-CVE-2020-25743
Alpine:v3.23qemu5.2.0-r0ALPINE-CVE-2020-25743
Alpine:v3.24qemu5.2.0-r0ALPINE-CVE-2020-25743
Debian:12qemuno fix listedDEBIAN-CVE-2020-25743
Debian:13qemuno fix listedDEBIAN-CVE-2020-25743
Debian:14qemuno fix listedDEBIAN-CVE-2020-25743
Ubuntu:22.04:LTSqemuno fix listedUBUNTU-CVE-2020-25743
Ubuntu:24.04:LTSqemuno fix listedUBUNTU-CVE-2020-25743
Ubuntu:25.10qemuno fix listedUBUNTU-CVE-2020-25743
Ubuntu:26.04:LTSqemuno fix listedUBUNTU-CVE-2020-25743
Ubuntu:26.10qemuno fix listedUBUNTU-CVE-2020-25743
Ubuntu:26.04:LTSqemu-hweno fix listedUBUNTU-CVE-2020-25743
Ubuntu:26.10qemu-hweno fix listedUBUNTU-CVE-2020-25743

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References