Vulnerabilities > CVE-2020-25743 - NULL Pointer Dereference vulnerability in multiple products
Attack vector
LOCAL Attack complexity
LOW Privileges required
HIGH Confidentiality impact
NONE Integrity impact
NONE Availability impact
LOW Summary
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.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- http://www.openwall.com/lists/oss-security/2020/09/29/1
- http://www.openwall.com/lists/oss-security/2020/09/29/1
- https://bugzilla.redhat.com/show_bug.cgi?id=1881409
- https://bugzilla.redhat.com/show_bug.cgi?id=1881409
- https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg05967.html
- https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg05967.html
- https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Fide_nullptr1b
- https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Fide_nullptr1b