wifi: iwlwifi: fix 22000 series SMEM parsing
Summary
| CVE | CVE-2026-43172 |
|---|---|
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-05-06 12:16:35 UTC |
| Updated | 2026-10-21 13:18:50 UTC |
| Description | In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: fix 22000 series SMEM parsing If the firmware were to report three LMACs (which doesn't exist in hardware) then using "fwrt->smem_cfg.lmac[2]" is an overrun of the array. Reject such and use IWL_FW_CHECK instead of WARN_ON in this function. |
Risk And Classification
Primary CVSS: v3.1 8.8 HIGH from 416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.000240000 probability, percentile 0.070510000 (date 2026-05-12)
Problem Types: NVD-CWE-noinfo | CWE-129 | CWE-129 CWE-129 Improper Validation of Array Index
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | Secondary | 8.8 | HIGH | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | CNA | DECLARED | 8.8 | HIGH | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
CVSS v3.1 Breakdown
Attack Vector
AdjacentAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Linux | Linux Kernel | All | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linux | Linux | affected ebfa7f8ae155c9a0bb2e4038d6b5d8b14881c424 5cc021586420c5e13acc65da5bf73edd451e2c3e git | Not specified |
| CNA | Linux | Linux | affected ebfa7f8ae155c9a0bb2e4038d6b5d8b14881c424 b23c7cd616a6a113363be707b7b9e4bc41b18a07 git | Not specified |
| CNA | Linux | Linux | affected ebfa7f8ae155c9a0bb2e4038d6b5d8b14881c424 1d49a42717bdc8de77eabeb5b7d3e88d141ffea9 git | Not specified |
| CNA | Linux | Linux | affected ebfa7f8ae155c9a0bb2e4038d6b5d8b14881c424 2b4b1510aaaf5b9fb57327ecffc20c055f61f205 git | Not specified |
| CNA | Linux | Linux | affected ebfa7f8ae155c9a0bb2e4038d6b5d8b14881c424 58192b9ce09b0f0f86e2036683bd542130b91a98 git | Not specified |
| CNA | Linux | Linux | affected 5.8 | Not specified |
| CNA | Linux | Linux | unaffected 5.8 semver | Not specified |
| CNA | Linux | Linux | unaffected 6.6.160 6.6.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.12.114 6.12.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.18.16 6.18.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.19.6 6.19.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.0 * original_commit_for_fix | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| git.kernel.org/stable/c/2b4b1510aaaf5b9fb57327ecffc20c055f61f205 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | Patch |
| git.kernel.org/stable/c/58192b9ce09b0f0f86e2036683bd542130b91a98 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | Patch |
| git.kernel.org/stable/c/b23c7cd616a6a113363be707b7b9e4bc41b18a07 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/1d49a42717bdc8de77eabeb5b7d3e88d141ffea9 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | Patch |
| git.kernel.org/stable/c/5cc021586420c5e13acc65da5bf73edd451e2c3e | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.