wifi: iwlwifi: mvm: add a check on the tid coming from the firmware
In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: add a check on the tid coming from the firmware ba_notif->tid is a firmware-controlled u8 that is used directly as an array index into tid_data[] without any validation. Add a bounds check against IWL_MAX_TID_COUNT before dereferencing the array.
CVE-2026-93791
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-2026-93791
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": "c46e7724bfe9bbff17bc468903a757248b99e4ed",
"lessThan": "0f690fd3b5535d110898b99ae6214f29c9060941",
"versionType": "git"
},
{
"status": "affected",
"version": "c46e7724bfe9bbff17bc468903a757248b99e4ed",
"lessThan": "0b5325a0771674f1d65618de7db3df9d49186a12",
"versionType": "git"
},
{
"status": "affected",
"version": "c46e7724bfe9bbff17bc468903a757248b99e4ed",
"lessThan": "59f64c2839022f41a7867b38f9e38c185ff39283",
"versionType": "git"
},
{
"status": "affected",
"version": "c46e7724bfe9bbff17bc468903a757248b99e4ed",
"lessThan": "0e4c0d83267261cf67ec9690856edf4a56bb7dfc",
"versionType": "git"
}
],
"programFiles": [
"drivers/net/wireless/intel/iwlwifi/mvm/tx.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "4.9"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "4.9",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.6.158",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.111",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.53",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.2",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/net/wireless/intel/iwlwifi/mvm/tx.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-93791
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #8270 · Revision 1
- Added to Heist Feed
- Publisher date