CVE-2020-25743

LOW

QEMU < 5.1.1 - NULL Pointer Dereference in IDE PCI Controller

Title source: llm
STIX 2.1

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.

References (4)

Core 4
Core References
Patch, Third Party Advisory x_refsource_misc
https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg05967.html
Mailing List, Patch, Third Party Advisory x_refsource_confirm
http://www.openwall.com/lists/oss-security/2020/09/29/1
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=1881409

Scores

CVSS v3 3.2
EPSS 0.0004
EPSS Percentile 13.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L

Details

CWE
CWE-476
Status published
Products (4)
qemu/qemu < 5.1.1
redhat/enterprise_linux 7.0
redhat/enterprise_linux 8.0 (2 CPE variants)
redhat/openstack_platform 13.0
Published Oct 06, 2020
Tracked Since Feb 18, 2026