CVE-2020-25743

Summary

CVECVE-2020-25743
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-10-06 15:15:00 UTC
Updated2020-10-07 13:31:00 UTC
Descriptionhw/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.

Risk And Classification

Problem Types: CWE-476

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Qemu Qemu All All All All
Application Qemu Qemu All All All All
Operating System Redhat Enterprise Linux 7.0 All All All
Operating System Redhat Enterprise Linux 8.0 All All All
Operating System Redhat Enterprise Linux 8.0 All All All
Operating System Redhat Enterprise Linux 7.0 All All All
Operating System Redhat Enterprise Linux 8.0 All All All
Operating System Redhat Enterprise Linux 8.0 All All All
Application Redhat Openstack Platform 13.0 All All All
Application Redhat Openstack Platform 13.0 All All All

References

ReferenceSourceLinkTags
oss-security - QEMU: NULL pointer derefrence issues CONFIRM www.openwall.com Mailing List, Patch, Third Party Advisory
1881409 – (CVE-2020-25743) CVE-2020-25743 QEMU: ide: null pointer dereference while cancelling i/o operation MISC bugzilla.redhat.com Issue Tracking, Patch, Third Party Advisory
sciebo MISC ruhr-uni-bochum.sciebo.de Broken Link
Re: [PATCH v2] hw/ide: check null block before _cancel_dma_sync MISC lists.nongnu.org Patch, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 502353 Alpine Linux Security Update for qemu
  • 671198 EulerOS Security Update for qemu (EulerOS-SA-2022-1034)
  • 671203 EulerOS Security Update for qemu (EulerOS-SA-2022-1014)
  • 900187 CBL-Mariner Linux Security Update for qemu-kvm 4.2.0
  • 902827 Common Base Linux Mariner (CBL-Mariner) Security Update for qemu-kvm (3552)
© CVE.report 2026 |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

CVE.report and Source URL Uptime Status status.cve.report