Access of Uninitialized Pointer
CVE-2021-3594
Summary
An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the udp_input() function and could occur while processing a udp packet that is smaller than the size of the 'udphdr' structure. This issue may lead to out-of-bounds read access or indirect host memory disclosure to the guest. The highest threat from this vulnerability is to data confidentiality. This flaw affects libslirp versions prior to 4.6.0.
- LOW
- LOCAL
- NONE
- CHANGED
- NONE
- LOW
- LOW
- NONE
CWE-824 - Access of Uninitialized Pointer
The program accesses or uses a pointer that has not been initialized.
References
Advisory Timeline
- Published