CVE-2020-25743

low-risk
Published 2020-10-06

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.

Do I need to act?

-
0.04% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
3
CVSS 3.2/10 Low
LOCAL / LOW complexity

Affected Products (5)

Affected Vendors

Redhat Qemu

References (8)

Mailing List http://www.openwall.com/lists/oss-security/2020/09/29/1
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1881409
Patch https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg05967.html
Broken Link https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Fide_nullptr1b
Mailing List http://www.openwall.com/lists/oss-security/2020/09/29/1
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1881409
Patch https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg05967.html
Broken Link https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Fide_nullptr1b
24
/ 100
low-risk
Severity 12/34 · Low
Exploitability 0/34 · Minimal
Exposure 12/34 · Low