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.
CVE-2026-43172
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-43172
Linux
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Linux
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "ebfa7f8ae155c9a0bb2e4038d6b5d8b14881c424",
"lessThan": "5cc021586420c5e13acc65da5bf73edd451e2c3e",
"versionType": "git"
},
{
"status": "affected",
"version": "ebfa7f8ae155c9a0bb2e4038d6b5d8b14881c424",
"lessThan": "b23c7cd616a6a113363be707b7b9e4bc41b18a07",
"versionType": "git"
},
{
"status": "affected",
"version": "ebfa7f8ae155c9a0bb2e4038d6b5d8b14881c424",
"lessThan": "1d49a42717bdc8de77eabeb5b7d3e88d141ffea9",
"versionType": "git"
},
{
"status": "affected",
"version": "ebfa7f8ae155c9a0bb2e4038d6b5d8b14881c424",
"lessThan": "2b4b1510aaaf5b9fb57327ecffc20c055f61f205",
"versionType": "git"
},
{
"status": "affected",
"version": "ebfa7f8ae155c9a0bb2e4038d6b5d8b14881c424",
"lessThan": "58192b9ce09b0f0f86e2036683bd542130b91a98",
"versionType": "git"
}
],
"programFiles": [
"drivers/net/wireless/intel/iwlwifi/fw/smem.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "5.8"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "5.8",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.6.160",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.114",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.16",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "6.19.6",
"versionType": "semver",
"lessThanOrEqual": "6.19.*"
},
{
"status": "unaffected",
"version": "7.0",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/net/wireless/intel/iwlwifi/fw/smem.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-43172
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #46265 · Revision 1
- Added to Heist Feed
- Publisher date