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Medium severity5.5OSV Advisory· Published Dec 20, 2018· Updated Jun 17, 2026

CVE-2018-20124

CVE-2018-20124

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

8
  • QEMU/Qemu3 versions
    cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*range: <=3.1.0
    • (no CPE)range: v0.1.0, v0.1.1, v0.1.3, …
    • (no CPE)
  • Canonical/Ubuntu Linux4 versions
    cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*+ 3 more
    • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
    • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
    • cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
    • cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
  • osv-coords
    pkg:rpm/opensuse/qemu&distro=openSUSE%20Tumbleweed
    Range: < 6.1.0-32.1

Patches

Vulnerability mechanics

References

4

News mentions

0

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