8.8

CVE-2025-39971: i40e: fix idx validation in config queues msg

Deferred
AliasesUBUNTU-CVE-2025-39971DEBIAN-CVE-2025-39971
Published 15-10-2025Last modified 05-08-2026

Vulnerability summary

CVE-2025-39971 is a high (CVSS 8.8) vulnerability in linux. EPSS estimates a 0.15% chance of exploitation in the next 30 days, higher than 4.5% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 8.8, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.15%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 62 · Related 40
DLA-4379-1DLA-4404-1DSA-6053-1MGASA-2025-0309MGASA-2025-0310OPENSUSE-SU-2025:20091-1

Timeline

  1. 15-10-2025
    PublishedVulnerability first disclosed.
  2. 05-08-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: i40e: fix idx validation in config queues msg Ensure idx is within range of active/initialized TCs when iterating over vf->ch[idx] in i40e_vc_config_queues_msg().

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.15%

Chance of exploitation in the next 30 days

Percentile

5%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.15% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu143 products
  • linuxAll versions (No fix recorded) | < 5.15.0-170.180 | < 6.8.0-106.106 | < 6.17.0-6.6
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1100.107 | < 6.8.0-1050.53 | < 6.17.0-1003.3
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian1 product
  • linux< 6.1.158-1 | < 6.12.57-1 | < 6.16.10-1
Linux1 product
  • linux≥ c27eac48160de72dee33d42b5a33cc7b8a2eb1f5, < a6ff2af78343eceb0f77ab1a2fe802183bc21648 | ≥ c27eac48160de72dee33d42b5a33cc7b8a2eb1f5, < f5f91d164af22e7147130ef8bebbdb28d8ecc6e2 | ≥ c27eac48160de72dee33d42b5a33cc7b8a2eb1f5, < 1fa0aadade34481c567cdf4a897c0d4e4d548bd1 | ≥ c27eac48160de72dee33d42b5a33cc7b8a2eb1f5, < 8b9c7719b0987b1c6c5fc910599f3618a558dbde | ≥ c27eac48160de72dee33d42b5a33cc7b8a2eb1f5, < 2cc26dac0518d2fa9b67ec813ee60e183480f98a | ≥ c27eac48160de72dee33d42b5a33cc7b8a2eb1f5, < bfcc1dff429d4b99ba03e40ddacc68ea4be2b32b | ≥ c27eac48160de72dee33d42b5a33cc7b8a2eb1f5, < 5c1f96123113e0bdc6d8dc2b0830184c93da9f65 | ≥ c27eac48160de72dee33d42b5a33cc7b8a2eb1f5, < f1ad24c5abe1eaef69158bac1405a74b3c365115 | 4.17

3 vendors · 145 products

References

37 links
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