wifi: mt76: mt7996: Fix possible token leak in mt7996_tx_prepare_skb()
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: Fix possible token leak in mt7996_tx_prepare_skb() If link_conf or link_sta lookup fails in mt7996_tx_prepare_skb routine, mt7996 driver leaks an already allocated tx token. Fix the issue releasing the token in case of error.
CVE-2026-74323
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-2026-74323
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": "7ef0c7ad735b0c38140259519a3f165bee2b857c",
"lessThan": "06e65d6cf80490bc0457d339595d1ed5a89e8899",
"versionType": "git"
},
{
"status": "affected",
"version": "7ef0c7ad735b0c38140259519a3f165bee2b857c",
"lessThan": "fa0e9aa92a7bc97fc42014c5efaaf1278fa92723",
"versionType": "git"
},
{
"status": "affected",
"version": "7ef0c7ad735b0c38140259519a3f165bee2b857c",
"lessThan": "831074096d0450308357271fc0ffd3f600a2487e",
"versionType": "git"
}
],
"programFiles": [
"drivers/net/wireless/mediatek/mt76/mt7996/mac.c",
"drivers/net/wireless/mediatek/mt76/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": "6.18"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "6.18",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.18.40",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.1.5",
"versionType": "semver",
"lessThanOrEqual": "7.1.*"
},
{
"status": "unaffected",
"version": "7.2",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/net/wireless/mediatek/mt76/mt7996/mac.c",
"drivers/net/wireless/mediatek/mt76/tx.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-74323
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #33098 · Revision 1
- Added to Heist Feed
- Publisher date