{"id":"CVE-2026-89872","state":"PUBLISHED","title":"media: v4l2-fwnode: Fix fwnode leak in v4l2_fwnode_parse_link","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: v4l2-fwnode: Fix fwnode leak in v4l2_fwnode_parse_link\n\nIn v4l2_fwnode_parse_link(), the remote endpoint fwnode reference is\nacquired using fwnode_graph_get_remote_endpoint(). This reference is\nproperly released in the error paths, but it is leaked on the success\npath.\n\nAdd the missing fwnode_handle_put() before returning 0 to prevent the\nreference leak.\n\n[Sakari Ailus: Fix subject prefix and coding style a little.]","publishedAt":"2026-09-16T10:31:40.647Z","updatedAt":"2026-10-19T08:54:05.348Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ca50c197bd9610ea984cfc0dc6855f183cbb46f8","status":"affected","lessThan":"c9b5238d173ee9b94dcaa2b34244ea89c8024feb","versionType":"git"},{"version":"ca50c197bd9610ea984cfc0dc6855f183cbb46f8","status":"affected","lessThan":"ccd8d1d80afab8b492a583ae81bfd295835bab2f","versionType":"git"},{"version":"ca50c197bd9610ea984cfc0dc6855f183cbb46f8","status":"affected","lessThan":"d92dc4692834e04bc0ef1d0908589852050d1a66","versionType":"git"},{"version":"ca50c197bd9610ea984cfc0dc6855f183cbb46f8","status":"affected","lessThan":"ef609b3ce456f021320fee2fb7e45094a3ccf232","versionType":"git"},{"version":"ca50c197bd9610ea984cfc0dc6855f183cbb46f8","status":"affected","lessThan":"578c4bfa28bf21458ecdde2fd3fc429475f34c10","versionType":"git"},{"version":"ca50c197bd9610ea984cfc0dc6855f183cbb46f8","status":"affected","lessThan":"3ced388b7908270529e5aa6d221840114b6c33bc","versionType":"git"},{"version":"ca50c197bd9610ea984cfc0dc6855f183cbb46f8","status":"affected","lessThan":"881aafb139520570fd3390bf9938d7098b7fbb99","versionType":"git"},{"version":"ca50c197bd9610ea984cfc0dc6855f183cbb46f8","status":"affected","lessThan":"a6e86efd7f85e519bf48417f41923f8bd51f1597","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/v4l2-core/v4l2-fwnode.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.13","versionType":"semver"},{"version":"5.10.270","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.221","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.188","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.157","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.51","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.5","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/media/v4l2-core/v4l2-fwnode.c"]}],"references":["https://git.kernel.org/stable/c/c9b5238d173ee9b94dcaa2b34244ea89c8024feb","https://git.kernel.org/stable/c/ccd8d1d80afab8b492a583ae81bfd295835bab2f","https://git.kernel.org/stable/c/d92dc4692834e04bc0ef1d0908589852050d1a66","https://git.kernel.org/stable/c/ef609b3ce456f021320fee2fb7e45094a3ccf232","https://git.kernel.org/stable/c/578c4bfa28bf21458ecdde2fd3fc429475f34c10","https://git.kernel.org/stable/c/3ced388b7908270529e5aa6d221840114b6c33bc","https://git.kernel.org/stable/c/881aafb139520570fd3390bf9938d7098b7fbb99","https://git.kernel.org/stable/c/a6e86efd7f85e519bf48417f41923f8bd51f1597"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/89xxx/CVE-2026-89872.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-89872","state":"PUBLISHED","datePublished":"2026-09-16T10:31:40.647Z","dateUpdated":"2026-10-19T08:54:05.348Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-11T19:38:34.772Z"},"containers":{"cna":{"title":"media: v4l2-fwnode: Fix fwnode leak in v4l2_fwnode_parse_link","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: v4l2-fwnode: Fix fwnode leak in v4l2_fwnode_parse_link\n\nIn v4l2_fwnode_parse_link(), the remote endpoint fwnode reference is\nacquired using fwnode_graph_get_remote_endpoint(). This reference is\nproperly released in the error paths, but it is leaked on the success\npath.\n\nAdd the missing fwnode_handle_put() before returning 0 to prevent the\nreference leak.\n\n[Sakari Ailus: Fix subject prefix and coding style a little.]"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ca50c197bd9610ea984cfc0dc6855f183cbb46f8","status":"affected","lessThan":"c9b5238d173ee9b94dcaa2b34244ea89c8024feb","versionType":"git"},{"version":"ca50c197bd9610ea984cfc0dc6855f183cbb46f8","status":"affected","lessThan":"ccd8d1d80afab8b492a583ae81bfd295835bab2f","versionType":"git"},{"version":"ca50c197bd9610ea984cfc0dc6855f183cbb46f8","status":"affected","lessThan":"d92dc4692834e04bc0ef1d0908589852050d1a66","versionType":"git"},{"version":"ca50c197bd9610ea984cfc0dc6855f183cbb46f8","status":"affected","lessThan":"ef609b3ce456f021320fee2fb7e45094a3ccf232","versionType":"git"},{"version":"ca50c197bd9610ea984cfc0dc6855f183cbb46f8","status":"affected","lessThan":"578c4bfa28bf21458ecdde2fd3fc429475f34c10","versionType":"git"},{"version":"ca50c197bd9610ea984cfc0dc6855f183cbb46f8","status":"affected","lessThan":"3ced388b7908270529e5aa6d221840114b6c33bc","versionType":"git"},{"version":"ca50c197bd9610ea984cfc0dc6855f183cbb46f8","status":"affected","lessThan":"881aafb139520570fd3390bf9938d7098b7fbb99","versionType":"git"},{"version":"ca50c197bd9610ea984cfc0dc6855f183cbb46f8","status":"affected","lessThan":"a6e86efd7f85e519bf48417f41923f8bd51f1597","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/v4l2-core/v4l2-fwnode.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.13","versionType":"semver"},{"version":"5.10.270","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.221","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.188","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.157","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.51","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.5","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/media/v4l2-core/v4l2-fwnode.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/c9b5238d173ee9b94dcaa2b34244ea89c8024feb"},{"url":"https://git.kernel.org/stable/c/ccd8d1d80afab8b492a583ae81bfd295835bab2f"},{"url":"https://git.kernel.org/stable/c/d92dc4692834e04bc0ef1d0908589852050d1a66"},{"url":"https://git.kernel.org/stable/c/ef609b3ce456f021320fee2fb7e45094a3ccf232"},{"url":"https://git.kernel.org/stable/c/578c4bfa28bf21458ecdde2fd3fc429475f34c10"},{"url":"https://git.kernel.org/stable/c/3ced388b7908270529e5aa6d221840114b6c33bc"},{"url":"https://git.kernel.org/stable/c/881aafb139520570fd3390bf9938d7098b7fbb99"},{"url":"https://git.kernel.org/stable/c/a6e86efd7f85e519bf48417f41923f8bd51f1597"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T08:54:05.348Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.13","versionEndExcluding":"5.10.270"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.13","versionEndExcluding":"5.15.221"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.13","versionEndExcluding":"6.1.188"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.13","versionEndExcluding":"6.6.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.13","versionEndExcluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.13","versionEndExcluding":"6.18.51"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.13","versionEndExcluding":"7.2.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.13","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}