{"id":"CVE-2026-72005","revision":null,"records":[{"revision":"d564a5f317fb475684e6e67bff2737f4","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-72005","aliases":[],"title":"wifi: rt2x00: avoid full teardown before work setup in probe","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rt2x00: avoid full teardown before work setup in probe\n\nrt2x00lib_probe_dev() uses the full rt2x00lib_remove_dev() teardown for\nall probe failures. However, drv_data allocation and workqueue allocation\ncan fail before intf_work, autowakeup_work and sleep_work have been\ninitialized.\n\nDo not enter the full remove path until the probe has reached the point\nwhere those work items are set up. Return directly for drv_data allocation\nfailure, and use a small early cleanup path for workqueue allocation\nfailure.\n\nThis issue was found by our static analysis tool and then confirmed by\nmanual review of rt2x00lib_probe_dev() and rt2x00lib_remove_dev(). The\nearly probe exits should not call a common teardown path that assumes the\nlater work setup has already completed.\n\nA QEMU PoC forced alloc_ordered_workqueue() to fail before the work\ninitializers are reached. The resulting fail path entered\nrt2x00lib_remove_dev(), and DEBUG_OBJECTS reported invalid work drains with\nrt2x00lib_probe_dev() and rt2x00lib_remove_dev() in the stack.","state":0,"publishedAt":"2026-08-15T05:51:36.005+00:00","modifiedAt":"2026-10-19T21:09:12.477+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/ralink/rt2x00/rt2x00dev.c\"\n ],\n \"versions\": [\n {\n \"version\": \"0439f5367c8d8bb2ebaca8d7329f51f3148b2fb2\",\n \"lessThan\": \"8b58d1f1356df6a7d2de3f55bb665b18b04ffda0\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"0439f5367c8d8bb2ebaca8d7329f51f3148b2fb2\",\n \"lessThan\": \"59afe6148927395cf86f9429900e029a48b1d42b\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"0439f5367c8d8bb2ebaca8d7329f51f3148b2fb2\",\n \"lessThan\": \"3c0427d719bddb33caf18ff4ffb77cb47de7eb00\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"0439f5367c8d8bb2ebaca8d7329f51f3148b2fb2\",\n \"lessThan\": \"eb7474d0253bb2de4793e1d3ce833e8564bbe732\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"0439f5367c8d8bb2ebaca8d7329f51f3148b2fb2\",\n \"lessThan\": \"66bd9b1a72de7c2f5141b02d796048aafaed8a49\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"0439f5367c8d8bb2ebaca8d7329f51f3148b2fb2\",\n \"lessThan\": \"816559409e340acaa5c9d868291dab30d8c80263\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"0439f5367c8d8bb2ebaca8d7329f51f3148b2fb2\",\n \"lessThan\": \"56994852d704535ea354a4627ca667b1b4fa0deb\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"0439f5367c8d8bb2ebaca8d7329f51f3148b2fb2\",\n \"lessThan\": \"536fb3d739d75a03cb318c0c6fe799425cfea501\",\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/ralink/rt2x00/rt2x00dev.c\"\n ],\n \"versions\": [\n {\n \"version\": \"2.6.39\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"2.6.39\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.261\",\n \"lessThanOrEqual\": \"5.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.212\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.178\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.145\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.97\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.18.40\",\n \"lessThanOrEqual\": \"6.18.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.1.5\",\n \"lessThanOrEqual\": \"7.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.2\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/8b58d1f1356df6a7d2de3f55bb665b18b04ffda0","https://git.kernel.org/stable/c/59afe6148927395cf86f9429900e029a48b1d42b","https://git.kernel.org/stable/c/3c0427d719bddb33caf18ff4ffb77cb47de7eb00","https://git.kernel.org/stable/c/eb7474d0253bb2de4793e1d3ce833e8564bbe732","https://git.kernel.org/stable/c/66bd9b1a72de7c2f5141b02d796048aafaed8a49","https://git.kernel.org/stable/c/816559409e340acaa5c9d868291dab30d8c80263","https://git.kernel.org/stable/c/56994852d704535ea354a4627ca667b1b4fa0deb","https://git.kernel.org/stable/c/536fb3d739d75a03cb318c0c6fe799425cfea501"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-72005","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-72005","identifiers":["CVE-2026-72005"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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