Findings

CVE-2026-86561

A flaw was found in DPDK lib/vhost.

Published Oct 14, 2026 · updated Oct 15, 2026

A flaw was found in DPDK lib/vhost. Memory size is not adequately validated before mmap during vhost memory-region setup, which can lead to a host crash or memory corruption.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 14, 2026 · NIST NVD

    Detected

    A flaw was found in DPDK lib/vhost. Memory size is not adequately validated before mmap during vhost memory-region setup, which can lead to a host crash or memory corruption.

  2. Oct 14, 2026 · NIST NVD

    Updated

    A flaw was found in DPDK lib/vhost. Memory size is not adequately validated before mmap during vhost memory-region setup, which can lead to a host crash or memory corruption.

  3. Oct 14, 2026 · OSV.dev

    Updated

    A flaw was found in DPDK lib/vhost. Memory size is not adequately validated before mmap during vhost memory-region setup, which can lead to a host crash or memory corruption.

  4. Oct 15, 2026 · NIST NVD

    Updated

    A flaw was found in DPDK lib/vhost. Memory size is not adequately validated before mmap during vhost memory-region setup, which can lead to a host crash or memory corruption.

Affected

  • Debian:12 dpdk22.11.1-2, 22.11.11-0+deb12u1, 22.11.2-1
  • Debian:13 dpdk24.11.2-2, 24.11.3-1, 24.11.3-1~deb13u1
  • Debian:14 dpdk24.11.2-2, 24.11.3-1, 24.11.3-1~deb13u1

Sources

  • CVE.orgVulnerability recordCVE-2026-86561

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-86561

    30-day exploitation probability 0.2%

    first.org
  • NIST NVDVulnerability recordCVE-2026-86561

    A flaw was found in DPDK lib/vhost. Memory size is not adequately validated before mmap during vhost memory-region setup, which can lead to a host crash or memory corruption.

    nvd.nist.gov
  • OSV.devPackage advisoryDEBIAN-CVE-2026-86561
    osv.dev

References

CVE-2026-86561 · ZeroDay Findings