CVE-2026-74323

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.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

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

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-15 06:22

Updated : 2026-08-17 06:19

NVD link : CVE-2026-74323

Mitre link : CVE-2026-74323

CVE.ORG link : CVE-2026-74323

JSON object : View

Products Affected

No product.

CWE

No CWE.

{"id": "CVE-2026-74323", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"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"}]}], "published": "2026-08-15T06:22:32.877", "references": [{"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", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Received", "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."}], "lastModified": "2026-08-17T06:19:26.740", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}