CVE-2026-74323 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00166.

Key SSVC decision points have not yet been added.

Vendors	Products
Linux	Linux Kernel

No data.

No data.

No data.

References

Link	Providers
https://git.kernel.org/stable/c/06e65d6cf80490bc0457d339595d1ed5a89e8899
https://git.kernel.org/stable/c/831074096d0450308357271fc0ffd3f600a2487e
https://git.kernel.org/stable/c/fa0e9aa92a7bc97fc42014c5efaaf1278fa92723

History

Sat, 15 Aug 2026 06:15:00 +0000

Type	Values Removed	Values Added
Description		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.
Title		wifi: mt76: mt7996: Fix possible token leak in mt7996_tx_prepare_skb()
First Time appeared		Linux Linux linux Kernel
CPEs		cpe:2.3:o:linux:linux_kernel::::::::
Vendors & Products		Linux Linux linux Kernel
References		https://git.kernel.org/stable/c/06e65d6cf80490bc0457d339595d1ed5a89e8899 https://git.kernel.org/stable/c/831074096d0450308357271fc0ffd3f600a2487e https://git.kernel.org/stable/c/fa0e9aa92a7bc97fc42014c5efaaf1278fa92723

MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2026-08-15T05:58:18.857Z

Updated: 2026-08-15T05:58:18.857Z

Reserved: 2026-08-15T05:44:03.884Z

Link: CVE-2026-74323

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-08-15T06:22:32.877

Modified: 2026-08-15T06:22:32.877

Link: CVE-2026-74323

Redhat

No data.

OpenCVE Enrichment

No data.

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-74323", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-15T05:44:03.884Z", "datePublished": "2026-08-15T05:58:18.857Z", "dateUpdated": "2026-08-15T05:58:18.857Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-15T05:58:18.857Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7996: Fix possible token leak in mt7996_tx_prepare_skb()\n\nIf link_conf or link_sta lookup fails in mt7996_tx_prepare_skb routine,\nmt7996 driver leaks an already allocated tx token. Fix the issue\nreleasing the token in case of error."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/wireless/mediatek/mt76/mt7996/mac.c", "drivers/net/wireless/mediatek/mt76/tx.c"], "versions": [{"version": "7ef0c7ad735b0c38140259519a3f165bee2b857c", "lessThan": "06e65d6cf80490bc0457d339595d1ed5a89e8899", "status": "affected", "versionType": "git"}, {"version": "7ef0c7ad735b0c38140259519a3f165bee2b857c", "lessThan": "fa0e9aa92a7bc97fc42014c5efaaf1278fa92723", "status": "affected", "versionType": "git"}, {"version": "7ef0c7ad735b0c38140259519a3f165bee2b857c", "lessThan": "831074096d0450308357271fc0ffd3f600a2487e", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/wireless/mediatek/mt76/mt7996/mac.c", "drivers/net/wireless/mediatek/mt76/tx.c"], "versions": [{"version": "6.18", "status": "affected"}, {"version": "0", "lessThan": "6.18", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.40", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.5", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2-rc1", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "6.18.40"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "7.2-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/06e65d6cf80490bc0457d339595d1ed5a89e8899"}, {"url": "https://git.kernel.org/stable/c/fa0e9aa92a7bc97fc42014c5efaaf1278fa92723"}, {"url": "https://git.kernel.org/stable/c/831074096d0450308357271fc0ffd3f600a2487e"}], "title": "wifi: mt76: mt7996: Fix possible token leak in mt7996_tx_prepare_skb()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/wireless/mediatek/mt76/mt7996/mac.c", "drivers/net/wireless/mediatek/mt76/tx.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "06e65d6cf80490bc0457d339595d1ed5a89e8899", "status": "affected", "version": "7ef0c7ad735b0c38140259519a3f165bee2b857c", "versionType": "git"}, {"lessThan": "fa0e9aa92a7bc97fc42014c5efaaf1278fa92723", "status": "affected", "version": "7ef0c7ad735b0c38140259519a3f165bee2b857c", "versionType": "git"}, {"lessThan": "831074096d0450308357271fc0ffd3f600a2487e", "status": "affected", "version": "7ef0c7ad735b0c38140259519a3f165bee2b857c", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/wireless/mediatek/mt76/mt7996/mac.c", "drivers/net/wireless/mediatek/mt76/tx.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.18"}, {"lessThan": "6.18", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.40", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2-rc1", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7996: Fix possible token leak in mt7996_tx_prepare_skb()\n\nIf link_conf or link_sta lookup fails in mt7996_tx_prepare_skb routine,\nmt7996 driver leaks an already allocated tx token. Fix the issue\nreleasing the token in case of error."}], "id": "CVE-2026-74323", "lastModified": "2026-08-15T06:22:32.877", "metrics": {}, "published": "2026-08-15T06:22:32.877", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/06e65d6cf80490bc0457d339595d1ed5a89e8899"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/831074096d0450308357271fc0ffd3f600a2487e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fa0e9aa92a7bc97fc42014c5efaaf1278fa92723"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}