CVE-2018-20124

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Summary

CVECVE-2018-20124
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2018-12-20 23:29:00 UTC
Updated2020-05-12 17:58:00 UTC
Descriptionhw/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.

Risk And Classification

Problem Types: CWE-125

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Canonical Ubuntu Linux 14.04 All All All
Operating System Canonical Ubuntu Linux 16.04 All All All
Operating System Canonical Ubuntu Linux 18.04 All All All
Operating System Canonical Ubuntu Linux 18.10 All All All
Operating System Canonical Ubuntu Linux 14.04 All All All
Operating System Canonical Ubuntu Linux 16.04 All All All
Operating System Canonical Ubuntu Linux 18.04 All All All
Operating System Canonical Ubuntu Linux 18.10 All All All
Application Qemu Qemu All All All All

References

ReferenceSourceLinkTags
[Qemu-devel] [PATCH v2 1/6] rdma: check num_sge does not exceed MAX_SGE MLIST lists.gnu.org Patch, Third Party Advisory
Malformed Request BID www.securityfocus.com Third Party Advisory, VDB Entry
oss-security - CVE-2018-20124 QEMU: rdma: OOB access when building scatter-gather array MLIST www.openwall.com Mailing List, Patch, Third Party Advisory
USN-3923-1: QEMU vulnerabilities | Ubuntu security notices UBUNTU usn.ubuntu.com Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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