Double Free
CVE-2017-6074
Summary
The dccp_rcv_state_process function in net/dccp/input.c in the Linux kernel through 4.9.11 mishandles DCCP_PKT_REQUEST packet data structures in the LISTEN state, which allows local users to obtain root privileges or cause a denial of service (double free) via an application that makes an IPV6_RECVPKTINFO setsockopt system call.
- LOW
- LOCAL
- HIGH
- UNCHANGED
- NONE
- LOW
- HIGH
- HIGH
CWE-415 - Double Free
The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.
References
Advisory Timeline
- Published