{"api_version":"1","generated_at":"2026-05-13T08:51:24+00:00","cve":"CVE-2026-43189","urls":{"html":"https://cve.report/CVE-2026-43189","api":"https://cve.report/api/cve/CVE-2026-43189.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-43189","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-43189"},"summary":{"title":"media: v4l2-async: Fix error handling on steps after finding a match","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: v4l2-async: Fix error handling on steps after finding a match\n\nOnce an async connection is found to be matching with an fwnode, a\nsub-device may be registered (in case it wasn't already), its bound\noperation is called, ancillary links are created, the async connection\nis added to the sub-device's list of connections and removed from the\nglobal waiting connection list. Further on, the sub-device's possible own\nnotifier is searched for possible additional matches.\n\nFix these specific issues:\n\n- If v4l2_async_match_notify() failed before the sub-notifier handling,\n  the async connection was unbound and its entry removed from the\n  sub-device's async connection list. The latter part was also done in\n  v4l2_async_match_notify().\n\n- The async connection's sd field was only set after creating ancillary\n  links in v4l2_async_match_notify(). It was however dereferenced in\n  v4l2_async_unbind_subdev_one(), which was called on error path of\n  v4l2_async_match_notify() failure.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-06 12:16:37","updated_at":"2026-05-11 20:47:45"},"problem_types":["NVD-CWE-noinfo"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"5.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}}],"references":[{"url":"https://git.kernel.org/stable/c/30aaed311f973f13ba13a0cd2dc0202f595fff48","name":"https://git.kernel.org/stable/c/30aaed311f973f13ba13a0cd2dc0202f595fff48","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/2de0a3c8148fc3dbea21981e6569f550b3626119","name":"https://git.kernel.org/stable/c/2de0a3c8148fc3dbea21981e6569f550b3626119","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b02bcb378efa8af07827f49b3afcc5e825318c55","name":"https://git.kernel.org/stable/c/b02bcb378efa8af07827f49b3afcc5e825318c55","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/7345d6d356336c448d6b9230ed8704f39679fd12","name":"https://git.kernel.org/stable/c/7345d6d356336c448d6b9230ed8704f39679fd12","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/461733d83e67ba7e3a5b750c0d203f738e01244f","name":"https://git.kernel.org/stable/c/461733d83e67ba7e3a5b750c0d203f738e01244f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-43189","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43189","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 28a1295795d85a25f2e7dd391c43969e95fcb341 30aaed311f973f13ba13a0cd2dc0202f595fff48 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 28a1295795d85a25f2e7dd391c43969e95fcb341 461733d83e67ba7e3a5b750c0d203f738e01244f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 28a1295795d85a25f2e7dd391c43969e95fcb341 b02bcb378efa8af07827f49b3afcc5e825318c55 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 28a1295795d85a25f2e7dd391c43969e95fcb341 2de0a3c8148fc3dbea21981e6569f550b3626119 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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the Linux kernel, the following vulnerability has been resolved:\n\nmedia: v4l2-async: Fix error handling on steps after finding a match\n\nOnce an async connection is found to be matching with an fwnode, a\nsub-device may be registered (in case it wasn't already), its bound\noperation is called, ancillary links are created, the async connection\nis added to the sub-device's list of connections and removed from the\nglobal waiting connection list. Further on, the sub-device's possible own\nnotifier is searched for possible additional matches.\n\nFix these specific issues:\n\n- If v4l2_async_match_notify() failed before the sub-notifier handling,\n  the async connection was unbound and its entry removed from the\n  sub-device's async connection list. The latter part was also done in\n  v4l2_async_match_notify().\n\n- The async connection's sd field was only set after creating ancillary\n  links in v4l2_async_match_notify(). It was however dereferenced in\n  v4l2_async_unbind_subdev_one(), which was called on error path of\n  v4l2_async_match_notify() failure."}],"providerMetadata":{"dateUpdated":"2026-05-07T17:14:35.685Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/30aaed311f973f13ba13a0cd2dc0202f595fff48"},{"url":"https://git.kernel.org/stable/c/461733d83e67ba7e3a5b750c0d203f738e01244f"},{"url":"https://git.kernel.org/stable/c/b02bcb378efa8af07827f49b3afcc5e825318c55"},{"url":"https://git.kernel.org/stable/c/2de0a3c8148fc3dbea21981e6569f550b3626119"},{"url":"https://git.kernel.org/stable/c/7345d6d356336c448d6b9230ed8704f39679fd12"}],"title":"media: v4l2-async: Fix error handling on steps after finding a match","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-43189","datePublished":"2026-05-06T11:27:59.108Z","dateReserved":"2026-05-01T14:12:55.992Z","dateUpdated":"2026-05-07T17:14:35.685Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-06 12:16:37","lastModifiedDate":"2026-05-11 20:47:45","problem_types":["NVD-CWE-noinfo"],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.6.128","matchCriteriaId":"C0FD95A9-209E-44A8-8F1D-1EB130F75861"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.12.75","matchCriteriaId":"BCE16369-98ED-41CF-8995-DFDC10B288D2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.18.16","matchCriteriaId":"B4B8CDA9-BADF-4CF5-8B3B-702DE8EEA40B"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.19","versionEndExcluding":"6.19.6","matchCriteriaId":"373EEEDA-FAA1-4FB4-B6ED-DB4DD99DBE67"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"43189","Ordinal":"1","Title":"media: v4l2-async: Fix error handling on steps after finding a m","CVE":"CVE-2026-43189","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"43189","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: v4l2-async: Fix error handling on steps after finding a match\n\nOnce an async connection is found to be matching with an fwnode, a\nsub-device may be registered (in case it wasn't already), its bound\noperation is called, ancillary links are created, the async connection\nis added to the sub-device's list of connections and removed from the\nglobal waiting connection list. Further on, the sub-device's possible own\nnotifier is searched for possible additional matches.\n\nFix these specific issues:\n\n- If v4l2_async_match_notify() failed before the sub-notifier handling,\n  the async connection was unbound and its entry removed from the\n  sub-device's async connection list. The latter part was also done in\n  v4l2_async_match_notify().\n\n- The async connection's sd field was only set after creating ancillary\n  links in v4l2_async_match_notify(). It was however dereferenced in\n  v4l2_async_unbind_subdev_one(), which was called on error path of\n  v4l2_async_match_notify() failure.","Type":"Description","Title":"media: v4l2-async: Fix error handling on steps after finding a m"}]}}}