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Vulnerabilities

Vulnerability · CVE-2026-86561

A flaw was found in DPDK lib/vhost.

Published Oct 14, 2026 · catalog updated Oct 15, 2026 · A flaw was found

Check if you run it

No confirmed exploitation is on record for CVE-2026-86561. EPSS is 0.16%. Act only if a listed version of A flaw was found is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (A flaw was found).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.16%
Remediation
Advisory link
Affected products
Debian:12 dpdk · Debian:13 dpdk · Debian:14 dpdk

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • 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

How to fix CVE-2026-86561

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-86561. EPSS is 0.16%. Act only if a listed version of A flaw was found is installed.

Which versions are affected?

Compare what you have installed with 22.11.1-2, 22.11.11-0+deb12u1, 22.11.2-1, 24.11.2-2, 24.11.3-1, 24.11.3-1~deb13u1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-770: Allocation of Resources Without Limits or Throttling. EPSS 0.16%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Debian security

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 · OpenSSF OSV / OSV Scanner

    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.

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
  • OpenSSF OSV / OSV ScannerPackage advisoryDEBIAN-CVE-2026-86561
    osv.dev

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.