{"id":"CVE-2026-90376","state":"PUBLISHED","title":"wifi: mt76: mt7996: fix MLD ID in MAC TXD and HIF TXP","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7996: fix MLD ID in MAC TXD and HIF TXP\n\nProblem:\nMCU command timeout while the firmware state is normal, and the\nfirmware keeps showing the error log \"ERROR!! NO PAUSE...\".\n\nRoot cause:\nIf the MLD_ID field in the TXD is neither the primary link id nor the\nsecondary link id, it may lead to a firmware busy loop when the third\nlink is in power saving mode.\n\nRemap frames directed to a third link to the primary link wcid. Since\nTX status events and txfree completions carry the wcid the firmware\nsaw, use the remapped wcid for packet id tracking and non-AQL packet\naccounting as well, while the frame keeps its original link context\nfor addressing, band and OMAC selection.","publishedAt":"2026-09-17T16:09:15.361Z","updatedAt":"2026-10-19T09:02:34.912Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d6f6b3a65660d183ef33f5a6582fd3b47174fe5a","status":"affected","lessThan":"5183b9f092fc0041618f38f895bd0ad860c26ca9","versionType":"git"},{"version":"85cd5534a3f2ec93e7d88713a77df5b4255520df","status":"affected","lessThan":"0a951ff6704db7b46c3f6d03b77e6053122be8ab","versionType":"git"},{"version":"85cd5534a3f2ec93e7d88713a77df5b4255520df","status":"affected","lessThan":"ce35ecffc96e6d097d27b6fe30677a2cfe2e0461","versionType":"git"},{"version":"6.18.33","status":"affected","lessThan":"6.18.52","versionType":"semver"}],"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/mt7996/main.c","drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.19","versionType":"semver"},{"version":"6.18.52","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","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/mac.c","drivers/net/wireless/mediatek/mt76/mt7996/main.c","drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h"]}],"references":["https://git.kernel.org/stable/c/5183b9f092fc0041618f38f895bd0ad860c26ca9","https://git.kernel.org/stable/c/0a951ff6704db7b46c3f6d03b77e6053122be8ab","https://git.kernel.org/stable/c/ce35ecffc96e6d097d27b6fe30677a2cfe2e0461"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/90xxx/CVE-2026-90376.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-90376","state":"PUBLISHED","datePublished":"2026-09-17T16:09:15.361Z","dateUpdated":"2026-10-19T09:02:34.912Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-11T19:38:34.808Z"},"containers":{"cna":{"title":"wifi: mt76: mt7996: fix MLD ID in MAC TXD and HIF TXP","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7996: fix MLD ID in MAC TXD and HIF TXP\n\nProblem:\nMCU command timeout while the firmware state is normal, and the\nfirmware keeps showing the error log \"ERROR!! NO PAUSE...\".\n\nRoot cause:\nIf the MLD_ID field in the TXD is neither the primary link id nor the\nsecondary link id, it may lead to a firmware busy loop when the third\nlink is in power saving mode.\n\nRemap frames directed to a third link to the primary link wcid. Since\nTX status events and txfree completions carry the wcid the firmware\nsaw, use the remapped wcid for packet id tracking and non-AQL packet\naccounting as well, while the frame keeps its original link context\nfor addressing, band and OMAC selection."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d6f6b3a65660d183ef33f5a6582fd3b47174fe5a","status":"affected","lessThan":"5183b9f092fc0041618f38f895bd0ad860c26ca9","versionType":"git"},{"version":"85cd5534a3f2ec93e7d88713a77df5b4255520df","status":"affected","lessThan":"0a951ff6704db7b46c3f6d03b77e6053122be8ab","versionType":"git"},{"version":"85cd5534a3f2ec93e7d88713a77df5b4255520df","status":"affected","lessThan":"ce35ecffc96e6d097d27b6fe30677a2cfe2e0461","versionType":"git"},{"version":"6.18.33","status":"affected","lessThan":"6.18.52","versionType":"semver"}],"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/mt7996/main.c","drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.19","versionType":"semver"},{"version":"6.18.52","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","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/mac.c","drivers/net/wireless/mediatek/mt76/mt7996/main.c","drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h"]}],"references":[{"url":"https://git.kernel.org/stable/c/5183b9f092fc0041618f38f895bd0ad860c26ca9"},{"url":"https://git.kernel.org/stable/c/0a951ff6704db7b46c3f6d03b77e6053122be8ab"},{"url":"https://git.kernel.org/stable/c/ce35ecffc96e6d097d27b6fe30677a2cfe2e0461"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:02:34.912Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18.33","versionEndExcluding":"6.18.52"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.19","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.19","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}