{"id":"CVE-2026-89872","title":"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_remo…","summary":"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_remo…","severity":"medium","vendor":"Linux","product":"Linux","affected":["Linux >= ca50c197bd9610ea984cfc0dc6855f183cbb46f8 < c9b5238d173ee9b94dcaa2b34244ea89c8024feb","Linux >= ca50c197bd9610ea984cfc0dc6855f183cbb46f8 < ccd8d1d80afab8b492a583ae81bfd295835bab2f","Linux >= ca50c197bd9610ea984cfc0dc6855f183cbb46f8 < d92dc4692834e04bc0ef1d0908589852050d1a66","Linux >= ca50c197bd9610ea984cfc0dc6855f183cbb46f8 < ef609b3ce456f021320fee2fb7e45094a3ccf232","Linux >= ca50c197bd9610ea984cfc0dc6855f183cbb46f8 < 578c4bfa28bf21458ecdde2fd3fc429475f34c10","Linux >= ca50c197bd9610ea984cfc0dc6855f183cbb46f8 < 3ced388b7908270529e5aa6d221840114b6c33bc","Linux >= ca50c197bd9610ea984cfc0dc6855f183cbb46f8 < 881aafb139520570fd3390bf9938d7098b7fbb99","Linux >= ca50c197bd9610ea984cfc0dc6855f183cbb46f8 < a6e86efd7f85e519bf48417f41923f8bd51f1597","Linux 4.13"],"published":"2026-09-16","updated":"2026-09-16","sourceUpdated":"2026-09-16T11:16:55.417","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-89872","references":[{"url":"https://git.kernel.org/stable/c/3ced388b7908270529e5aa6d221840114b6c33bc","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/578c4bfa28bf21458ecdde2fd3fc429475f34c10","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/881aafb139520570fd3390bf9938d7098b7fbb99","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a6e86efd7f85e519bf48417f41923f8bd51f1597","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c9b5238d173ee9b94dcaa2b34244ea89c8024feb","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ccd8d1d80afab8b492a583ae81bfd295835bab2f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d92dc4692834e04bc0ef1d0908589852050d1a66","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ef609b3ce456f021320fee2fb7e45094a3ccf232","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-89872.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-89872"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2535411"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-89872"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-89872"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-89872.mbox"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ingestedAt":"2026-09-16T10:53:53.987Z","epss":0.00216,"epssPercentile":0.11977,"cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cvssSource":"vendor","cwe":["CWE-772"],"slug":"CVE-2026-89872","body":"## Overview\n\nIn 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.]\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Low · affected: Red Hat Enterprise Linux 10 · no fix planned: Red Hat Enterprise Linux 10 · updated 2026-09-29 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-89872.json)","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":210019,"id":"CVE-2026-89872","ts":1790235654239,"field":"cvss","old":null,"new":"5.5"},{"seq":210018,"id":"CVE-2026-89872","ts":1790235654239,"field":"severity","old":"none","new":"medium"}]}