Vulnerabilities > CVE-2020-25741 - NULL Pointer Dereference vulnerability in Qemu 5.0.0
Attack vector
LOCAL Attack complexity
LOW Privileges required
HIGH Confidentiality impact
NONE Integrity impact
NONE Availability impact
LOW Summary
fdctrl_write_data in hw/block/fdc.c in QEMU 5.0.0 has a NULL pointer dereference via a NULL block pointer for the current drive.
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://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg05295.html
- https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg05295.html
- https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Ffdc_nullptr1
- https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Ffdc_nullptr1
- https://security.netapp.com/advisory/ntap-20201009-0005/
- https://security.netapp.com/advisory/ntap-20201009-0005/