CVE-2026-80632

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-80632", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-26T14:34:25.776Z", "datePublished": "2026-08-28T06:48:47.772Z", "dateUpdated": "2026-08-28T06:48:47.772Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-28T06:48:47.772Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7996: Fix NULL pointer dereference in mt7996_init_tx_queues()\n\nWhen MT76_NPU and CONFIG_NET_MEDIATEK_SOC_WED are enabled and\nmt76 detects properly the Airoha NPU SoC, mt7996_init_tx_queues() will\ndereference a NULL WED pointer.\nFix the issue by always passing the WED pointer from mt7996_dma_init()."}], "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/dma.c"], "versions": [{"version": "cd7951f242a7e4114de8f41804d708f5b5079d53", "lessThan": "93f3f9a9e955569ab7c3f02f0486d3aaf2314a56", "status": "affected", "versionType": "git"}, {"version": "cd7951f242a7e4114de8f41804d708f5b5079d53", "lessThan": "6794edb55b5f5ef834e03b0b241b1a8b725f82c0", "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/dma.c"], "versions": [{"version": "7.1", "status": "affected"}, {"version": "0", "lessThan": "7.1", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.5", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "7.1", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.1", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/93f3f9a9e955569ab7c3f02f0486d3aaf2314a56"}, {"url": "https://git.kernel.org/stable/c/6794edb55b5f5ef834e03b0b241b1a8b725f82c0"}], "title": "wifi: mt76: mt7996: Fix NULL pointer dereference in mt7996_init_tx_queues()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/wireless/mediatek/mt76/mt7996/dma.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "93f3f9a9e955569ab7c3f02f0486d3aaf2314a56", "status": "affected", "version": "cd7951f242a7e4114de8f41804d708f5b5079d53", "versionType": "git"}, {"lessThan": "6794edb55b5f5ef834e03b0b241b1a8b725f82c0", "status": "affected", "version": "cd7951f242a7e4114de8f41804d708f5b5079d53", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/wireless/mediatek/mt76/mt7996/dma.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "7.1"}, {"lessThan": "7.1", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "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 NULL pointer dereference in mt7996_init_tx_queues()\n\nWhen MT76_NPU and CONFIG_NET_MEDIATEK_SOC_WED are enabled and\nmt76 detects properly the Airoha NPU SoC, mt7996_init_tx_queues() will\ndereference a NULL WED pointer.\nFix the issue by always passing the WED pointer from mt7996_dma_init()."}], "id": "CVE-2026-80632", "lastModified": "2026-08-28T08:16:48.107", "metrics": {}, "published": "2026-08-28T08:16:48.107", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6794edb55b5f5ef834e03b0b241b1a8b725f82c0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/93f3f9a9e955569ab7c3f02f0486d3aaf2314a56"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: wifi: mt76: mt7996: Fix NULL pointer dereference in mt7996_init_tx_queues()", "id": "2525411", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2525411"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nwifi: mt76: mt7996: Fix NULL pointer dereference in mt7996_init_tx_queues()\nWhen MT76_NPU and CONFIG_NET_MEDIATEK_SOC_WED are enabled and\nmt76 detects properly the Airoha NPU SoC, mt7996_init_tx_queues() will\ndereference a NULL WED pointer.\nFix the issue by always passing the WED pointer from mt7996_dma_init().", "A flaw was found in the Linux kernel's Wi-Fi driver, specifically within the `mt7996` component. When the `MT76_NPU` and `CONFIG_NET_MEDIATEK_SOC_WED` configurations are enabled and the Airoha NPU System-on-Chip (SoC) is detected, the `mt7996_init_tx_queues()` function can attempt to dereference a NULL Wi-Fi/Ethernet Dispatcher (WED) pointer. This improper handling of the WED pointer during initialization can lead to system instability or a denial of service."], "name": "CVE-2026-80632", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-08-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-80632\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-80632\nhttps://lore.kernel.org/linux-cve-announce/2026082839-CVE-2026-80632-466c@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[cd7951f242a7e4114de8f41804d708f5b5079d53,93f3f9a9e955569ab7c3f02f0486d3aaf2314a56)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[cd7951f242a7e4114de8f41804d708f5b5079d53,6794edb55b5f5ef834e03b0b241b1a8b725f82c0)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "7.1"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,7.1)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.5,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-08-28T10:30:17.560936+00:00", "updated": "2026-09-01T18:30:06.892199+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}