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CVE Vulnerability Details :
CVE-2026-43172
PUBLISHED
More InfoOfficial Page
Assigner-Linux
Assigner Org ID-416baaa9-dc9f-4396-8d5f-8c081fb06d67
View Known Exploited Vulnerability (KEV) details
Published At-06 May, 2026 | 11:27
Updated At-11 May, 2026 | 22:19
Rejected At-
▼CVE Numbering Authority (CNA)
wifi: iwlwifi: fix 22000 series SMEM parsing

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.

Affected Products
Vendor
Linux Kernel Organization, IncLinux
Product
Linux
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Program Files
  • drivers/net/wireless/intel/iwlwifi/fw/smem.c
Default Status
unaffected
Versions
Affected
  • From ebfa7f8ae155c9a0bb2e4038d6b5d8b14881c424 before 1d49a42717bdc8de77eabeb5b7d3e88d141ffea9 (git)
  • From ebfa7f8ae155c9a0bb2e4038d6b5d8b14881c424 before 2b4b1510aaaf5b9fb57327ecffc20c055f61f205 (git)
  • From ebfa7f8ae155c9a0bb2e4038d6b5d8b14881c424 before 58192b9ce09b0f0f86e2036683bd542130b91a98 (git)
Vendor
Linux Kernel Organization, IncLinux
Product
Linux
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Program Files
  • drivers/net/wireless/intel/iwlwifi/fw/smem.c
Default Status
affected
Versions
Affected
  • 5.8
Unaffected
  • From 0 before 5.8 (semver)
  • From 6.18.16 through 6.18.* (semver)
  • From 6.19.6 through 6.19.* (semver)
  • From 7.0 through * (original_commit_for_fix)
Metrics
VersionBase scoreBase severityVector
3.18.8HIGH
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Version: 3.1
Base score: 8.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://git.kernel.org/stable/c/1d49a42717bdc8de77eabeb5b7d3e88d141ffea9
N/A
https://git.kernel.org/stable/c/2b4b1510aaaf5b9fb57327ecffc20c055f61f205
N/A
https://git.kernel.org/stable/c/58192b9ce09b0f0f86e2036683bd542130b91a98
N/A
Hyperlink: https://git.kernel.org/stable/c/1d49a42717bdc8de77eabeb5b7d3e88d141ffea9
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/2b4b1510aaaf5b9fb57327ecffc20c055f61f205
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/58192b9ce09b0f0f86e2036683bd542130b91a98
Resource: N/A
Details not found