Review reviewHigh

CVE-2025-39968

Linux

In the Linux kernel, the following vulnerability has been resolved: i40e: add max boundary check for VF filters There is no check for max filters that VF can request. Add it.

CVSS
7.3
EPSS
0.14%
3.53% percentile
CISA KEV
Not listed
Published
2025.10.15
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.14%
Technical severityCVSS 7.3

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: i40e: add max boundary check for VF filters There is no check for max filters that VF can request. Add it.

Affected product and versions

Product
Linux
Affected versions
>= e284fc280473bed23f2e1ed324e102a48f7d17e1 < 9176e18681cb0d34c5acc87bda224f5652af2ab8, >= e284fc280473bed23f2e1ed324e102a48f7d17e1 < e490d8c5a54e0dd1ab22417d72c3a7319cf0f030, >= e284fc280473bed23f2e1ed324e102a48f7d17e1 < 77a35be582dff4c80442ebcdce24d45eed8a6ce4, >= e284fc280473bed23f2e1ed324e102a48f7d17e1 < 02aae5fcdd34c3a55a243d80a1b328a35852a35c, >= e284fc280473bed23f2e1ed324e102a48f7d17e1 < edecce7abd7152b48e279b4fa0a883d1839bb577, >= e284fc280473bed23f2e1ed324e102a48f7d17e1 < d33e5d6631ac4fddda235a7815babc9d3f124299, >= e284fc280473bed23f2e1ed324e102a48f7d17e1 < 8b13df5aa877b9e4541e301a58a84c42d84d2d9a, >= e284fc280473bed23f2e1ed324e102a48f7d17e1 < cb79fa7118c150c3c76a327894bb2eb878c02619, >= 4.17
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H
CWE
Not available