hw/rdma/vmw/pvrdma_cmd.c in QEMU allows attackers to cause a denial of service (NULL pointer dereference or excessive memory allocation) in create_cq_ring or create_qp_rings.
Weakness
The product dereferences a pointer that it expects to be valid but is NULL.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Qemu | Qemu | * | 3.1.0 (including) |
| Qemu | Ubuntu | cosmic | * |
| Qemu | Ubuntu | devel | * |
Potential Mitigations
References
- http://www.openwall.com/lists/oss-security/2018/12/19/3
- http://www.securityfocus.com/bid/106298
- https://lists.gnu.org/archive/html/qemu-devel/2018-12/msg02823.html
- https://usn.ubuntu.com/3923-1/
- http://www.openwall.com/lists/oss-security/2018/12/19/3
- http://www.securityfocus.com/bid/106298
- https://lists.gnu.org/archive/html/qemu-devel/2018-12/msg02823.html
- https://usn.ubuntu.com/3923-1/