wifi: iwlwifi: mvm: validate TX_CMD response layout
In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: validate TX_CMD response layout TX_CMD parsing uses frame_count to walk status entries and then read the trailing SCD SSN. Make the minimum-length check follow that exact runtime layout calculation before parsing the payload. For new TX API, reject TX_CMD responses with frame_count != 1 and warn/return in the aggregation handler to document that aggregated accounting is expected via BA notifications.
CVE-2026-93793
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-2026-93793
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": "8ca151b568b67a7b72dcfc6ee6ea7c107ddd795c",
"lessThan": "5e871c03506c529d5fe372d099c1ad1465c7bc38",
"versionType": "git"
},
{
"status": "affected",
"version": "8ca151b568b67a7b72dcfc6ee6ea7c107ddd795c",
"lessThan": "fc14f5fe8a4374ed1088cfbddc1dae4d16c9935b",
"versionType": "git"
},
{
"status": "affected",
"version": "8ca151b568b67a7b72dcfc6ee6ea7c107ddd795c",
"lessThan": "4d942dfc13aec393e003ab28ff58db744c26e6eb",
"versionType": "git"
},
{
"status": "affected",
"version": "8ca151b568b67a7b72dcfc6ee6ea7c107ddd795c",
"lessThan": "8d70881707b47353359df57df12f6de67fdacdd2",
"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": "3.9"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "3.9",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.6.160",
"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-2026-93793
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #48748 · Revision 1
- Added to Heist Feed
- Publisher date