{"id":"CVE-2026-90382","revision":"23d14e3ca2614c0ca408f0aa8ff0bb38","records":[{"revision":"23d14e3ca2614c0ca408f0aa8ff0bb38","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-90382","aliases":[],"title":"wifi: mt76: mt76x02: do not WARN on invalid rx descriptor length","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt76x02: do not WARN on invalid rx descriptor length\n\nThe MPDU length in the rx descriptor comes from the hardware. In\nmonitor mode with the fcsfail filter enabled, the hardware passes up\ncorrupted frames, and a corrupted frame can report a length larger\nthan the received buffer. The bounds check correctly discards such\nframes, but its WARN_ON_ONCE wrapper means any over-the-air garbage\nframe taints the kernel, and panics it on the first such frame when\npanic_on_warn is set.\n\nDrop the WARN and discard the frame silently, matching what\ncommit c2d4c8723dbf (\"mt76x2: remove some harmless WARN_ONs in tx\nstatus and rx path\") did for the neighboring rx and tx status paths.\n\nObserved immediately on rx with an MT7612U in fcsfail monitor mode\non a busy channel.","state":0,"publishedAt":"2026-09-17T16:09:19.247+00:00","modifiedAt":"2026-10-19T09:02:43.423+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/net/wireless/mediatek/mt76/mt76x02_mac.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"7bc04215a66b60e198aecaee8418f6d79fa19faa\",\n                            \"lessThan\": \"61b1f6d92249bc34580ff19de7c69c805f82adca\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"7bc04215a66b60e198aecaee8418f6d79fa19faa\",\n                            \"lessThan\": \"c65bbfc730df9ebf0fea8e286b0ad2dfab03dbfe\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"7bc04215a66b60e198aecaee8418f6d79fa19faa\",\n                            \"lessThan\": \"d55e7aede542c4c76ead82d37d0c112f21eb2ac2\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"7bc04215a66b60e198aecaee8418f6d79fa19faa\",\n                            \"lessThan\": \"b6e7958602bd1acdb8ae92703b6689a28bcc9bc0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"7bc04215a66b60e198aecaee8418f6d79fa19faa\",\n                            \"lessThan\": \"2d31e332c13b1db7745a7bd9cf74bc105524bcac\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"7bc04215a66b60e198aecaee8418f6d79fa19faa\",\n                            \"lessThan\": \"17d6b89e09eac2d90272fceeba3644e92212e02f\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"7bc04215a66b60e198aecaee8418f6d79fa19faa\",\n                            \"lessThan\": \"6def491fe9c4e83aa8cba62d74e9d4ab751ee967\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"7bc04215a66b60e198aecaee8418f6d79fa19faa\",\n                            \"lessThan\": \"81497634d9f872fd3e8b03aada55574afff6f174\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/net/wireless/mediatek/mt76/mt76x02_mac.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4.16\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"4.16\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.270\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.221\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.188\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.157\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.110\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.52\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.6\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/61b1f6d92249bc34580ff19de7c69c805f82adca","https://git.kernel.org/stable/c/c65bbfc730df9ebf0fea8e286b0ad2dfab03dbfe","https://git.kernel.org/stable/c/d55e7aede542c4c76ead82d37d0c112f21eb2ac2","https://git.kernel.org/stable/c/b6e7958602bd1acdb8ae92703b6689a28bcc9bc0","https://git.kernel.org/stable/c/2d31e332c13b1db7745a7bd9cf74bc105524bcac","https://git.kernel.org/stable/c/17d6b89e09eac2d90272fceeba3644e92212e02f","https://git.kernel.org/stable/c/6def491fe9c4e83aa8cba62d74e9d4ab751ee967","https://git.kernel.org/stable/c/81497634d9f872fd3e8b03aada55574afff6f174"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-90382","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-90382","identifiers":["CVE-2026-90382"]},"retained":false,"historicalAffected":[]}],"coverage":[]}