{"id":"CVE-2026-80632","state":"PUBLISHED","title":"wifi: mt76: mt7996: Fix NULL pointer dereference in mt7996_init_tx_queues()","description":"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().","publishedAt":"2026-08-28T06:48:47.772Z","updatedAt":"2026-08-28T06:48:47.772Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"cd7951f242a7e4114de8f41804d708f5b5079d53","status":"affected","lessThan":"93f3f9a9e955569ab7c3f02f0486d3aaf2314a56","versionType":"git"},{"version":"cd7951f242a7e4114de8f41804d708f5b5079d53","status":"affected","lessThan":"6794edb55b5f5ef834e03b0b241b1a8b725f82c0","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/mediatek/mt76/mt7996/dma.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"7.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"7.1","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/mediatek/mt76/mt7996/dma.c"]}],"references":["https://git.kernel.org/stable/c/93f3f9a9e955569ab7c3f02f0486d3aaf2314a56","https://git.kernel.org/stable/c/6794edb55b5f5ef834e03b0b241b1a8b725f82c0"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:07.220Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/80xxx/CVE-2026-80632.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-80632","state":"PUBLISHED","datePublished":"2026-08-28T06:48:47.772Z","dateUpdated":"2026-08-28T06:48:47.772Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-08-26T14:34:25.776Z"},"containers":{"cna":{"title":"wifi: mt76: mt7996: Fix NULL pointer dereference in mt7996_init_tx_queues()","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":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"cd7951f242a7e4114de8f41804d708f5b5079d53","status":"affected","lessThan":"93f3f9a9e955569ab7c3f02f0486d3aaf2314a56","versionType":"git"},{"version":"cd7951f242a7e4114de8f41804d708f5b5079d53","status":"affected","lessThan":"6794edb55b5f5ef834e03b0b241b1a8b725f82c0","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/mediatek/mt76/mt7996/dma.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"7.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"7.1","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/mediatek/mt76/mt7996/dma.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/93f3f9a9e955569ab7c3f02f0486d3aaf2314a56"},{"url":"https://git.kernel.org/stable/c/6794edb55b5f5ef834e03b0b241b1a8b725f82c0"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-28T06:48:47.772Z"},"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"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}