CVE-2025-39972

i40e: fix idx validation in i40e_validate_queue_map

State: Published
Severity: 8.8 High
Published: Oct 15, 2025
Updated: Oct 15, 2026
Reserved: Apr 16, 2025

Description

In the Linux kernel, the following vulnerability has been resolved:

i40e: fix idx validation in i40e_validate_queue_map

Ensure idx is within range of active/initialized TCs when iterating over vf->ch[idx] in i40e_validate_queue_map().

Scores

CVSS	Score	Vector	Source
3.1	8.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H	Linux

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 to before b6cb93a7ff208f324c7ec581d72995f80e115e0eAffected c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 to before 6f15a7b34fae75e745bdc2ec05e06ddfd0dd2f3cAffected c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 to before 34dfac0c904829967d500c51f216916ce1452957Affected c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 to before 4d5e804a9e19b639b18fd13664dbad3c03c79e61Affected c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 to before 50a1e2f50f6c22b93b94eb8d168a1be3c05bf5cdAffected c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 to before cc4191e8ef40d2249c1b9a8617d22ec8a976b574Affected c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 to before d4e3eaaa3cb3af77836d806c89cd6ebf533a7320Affected c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 to before aa68d3c3ac8d1dcec40d52ae27e39f6d32207009Affected
LinuxLinux	4.17Affected before 4.17Not affected 5.4.300 through 5.4.Not affected 5.10.245 through 5.10.Not affected 5.15.194 through 5.15.Not affected 6.1.155 through 6.1.Not affected 6.6.109 through 6.6.Not affected 6.12.50 through 6.12.Not affected 6.16.10 through 6.16.*Not affected 6.17 and laterNot affected

Product

Versions

LinuxLinux

c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 to before b6cb93a7ff208f324c7ec581d72995f80e115e0eAffected
c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 to before 6f15a7b34fae75e745bdc2ec05e06ddfd0dd2f3cAffected
c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 to before 34dfac0c904829967d500c51f216916ce1452957Affected
c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 to before 4d5e804a9e19b639b18fd13664dbad3c03c79e61Affected
c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 to before 50a1e2f50f6c22b93b94eb8d168a1be3c05bf5cdAffected
c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 to before cc4191e8ef40d2249c1b9a8617d22ec8a976b574Affected
c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 to before d4e3eaaa3cb3af77836d806c89cd6ebf533a7320Affected
c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 to before aa68d3c3ac8d1dcec40d52ae27e39f6d32207009Affected

LinuxLinux

4.17Affected
before 4.17Not affected
5.4.300 through 5.4.*Not affected
5.10.245 through 5.10.*Not affected
5.15.194 through 5.15.*Not affected
6.1.155 through 6.1.*Not affected
6.6.109 through 6.6.*Not affected
6.12.50 through 6.12.*Not affected
6.16.10 through 6.16.*Not affected
6.17 and laterNot affected

References

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