CVEvulnerability
CVE-2018-20124
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2018-12-20
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 2.1 LOW — AV:L/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-125
Description
hw/rdma/rdma_backend.c in QEMU allows guest OS users to trigger out-of-bounds access via a PvrdmaSqWqe ring element with a large num_sge value.
Affected configurations
• qemu qemu (<= 3.1.0)
• canonical ubuntu linux 14.04
• canonical ubuntu linux 16.04
• canonical ubuntu linux 18.04
• canonical ubuntu linux 18.10
Related
Weakness · CWE (1)
- CWE-125 Out-of-bounds Read weakness
References
- http://www.openwall.com/lists/oss-security/2018/12/18/2 Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/106290 Third Party Advisory, VDB Entry
- https://lists.gnu.org/archive/html/qemu-devel/2018-12/msg02822.html Patch, Third Party Advisory
- https://usn.ubuntu.com/3923-1/ Third Party Advisory
- http://www.openwall.com/lists/oss-security/2018/12/18/2 Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/106290 Third Party Advisory, VDB Entry
- https://lists.gnu.org/archive/html/qemu-devel/2018-12/msg02822.html Patch, Third Party Advisory
- https://usn.ubuntu.com/3923-1/ Third Party Advisory