CVE-2020-25743low
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
http://www.openwall.com/lists/oss-security/2020/09/29/1
https://bugzilla.redhat.com/show_bug.cgi?id=1881409
https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg05967.html
https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Fide_nullptr1b
Details
Source: MITRE
Published: 2020-10-06
Updated: 2020-10-07
Type: CWE-476
Risk Information
CVSS v2
Base Score: 2.1
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 3.9
Severity: LOW
CVSS v3
Base Score: 3.2
Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L
Impact Score: 1.4
Exploitability Score: 1.5
Severity: LOW