CVE-2026-89872

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-89872", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-11T19:38:34.772Z", "datePublished": "2026-09-16T10:31:40.647Z", "dateUpdated": "2026-10-19T08:54:05.348Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T08:54:05.348Z"}, "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": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/media/v4l2-core/v4l2-fwnode.c"], "versions": [{"version": "ca50c197bd9610ea984cfc0dc6855f183cbb46f8", "lessThan": "c9b5238d173ee9b94dcaa2b34244ea89c8024feb", "status": "affected", "versionType": "git"}, {"version": "ca50c197bd9610ea984cfc0dc6855f183cbb46f8", "lessThan": "ccd8d1d80afab8b492a583ae81bfd295835bab2f", "status": "affected", "versionType": "git"}, {"version": "ca50c197bd9610ea984cfc0dc6855f183cbb46f8", "lessThan": "d92dc4692834e04bc0ef1d0908589852050d1a66", "status": "affected", "versionType": "git"}, {"version": "ca50c197bd9610ea984cfc0dc6855f183cbb46f8", "lessThan": "ef609b3ce456f021320fee2fb7e45094a3ccf232", "status": "affected", "versionType": "git"}, {"version": "ca50c197bd9610ea984cfc0dc6855f183cbb46f8", "lessThan": "578c4bfa28bf21458ecdde2fd3fc429475f34c10", "status": "affected", "versionType": "git"}, {"version": "ca50c197bd9610ea984cfc0dc6855f183cbb46f8", "lessThan": "3ced388b7908270529e5aa6d221840114b6c33bc", "status": "affected", "versionType": "git"}, {"version": "ca50c197bd9610ea984cfc0dc6855f183cbb46f8", "lessThan": "881aafb139520570fd3390bf9938d7098b7fbb99", "status": "affected", "versionType": "git"}, {"version": "ca50c197bd9610ea984cfc0dc6855f183cbb46f8", "lessThan": "a6e86efd7f85e519bf48417f41923f8bd51f1597", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/media/v4l2-core/v4l2-fwnode.c"], "versions": [{"version": "4.13", "status": "affected"}, {"version": "0", "lessThan": "4.13", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.270", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.221", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.188", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.157", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.110", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.51", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.5", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "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"}]}]}], "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"}], "title": "media: v4l2-fwnode: Fix fwnode leak in v4l2_fwnode_parse_link", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/media/v4l2-core/v4l2-fwnode.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "c9b5238d173ee9b94dcaa2b34244ea89c8024feb", "status": "affected", "version": "ca50c197bd9610ea984cfc0dc6855f183cbb46f8", "versionType": "git"}, {"lessThan": "ccd8d1d80afab8b492a583ae81bfd295835bab2f", "status": "affected", "version": "ca50c197bd9610ea984cfc0dc6855f183cbb46f8", "versionType": "git"}, {"lessThan": "d92dc4692834e04bc0ef1d0908589852050d1a66", "status": "affected", "version": "ca50c197bd9610ea984cfc0dc6855f183cbb46f8", "versionType": "git"}, {"lessThan": "ef609b3ce456f021320fee2fb7e45094a3ccf232", "status": "affected", "version": "ca50c197bd9610ea984cfc0dc6855f183cbb46f8", "versionType": "git"}, {"lessThan": "578c4bfa28bf21458ecdde2fd3fc429475f34c10", "status": "affected", "version": "ca50c197bd9610ea984cfc0dc6855f183cbb46f8", "versionType": "git"}, {"lessThan": "3ced388b7908270529e5aa6d221840114b6c33bc", "status": "affected", "version": "ca50c197bd9610ea984cfc0dc6855f183cbb46f8", "versionType": "git"}, {"lessThan": "881aafb139520570fd3390bf9938d7098b7fbb99", "status": "affected", "version": "ca50c197bd9610ea984cfc0dc6855f183cbb46f8", "versionType": "git"}, {"lessThan": "a6e86efd7f85e519bf48417f41923f8bd51f1597", "status": "affected", "version": "ca50c197bd9610ea984cfc0dc6855f183cbb46f8", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/media/v4l2-core/v4l2-fwnode.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "4.13"}, {"lessThan": "4.13", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.270", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.221", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.188", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.157", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.110", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.51", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "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.]"}], "id": "CVE-2026-89872", "lastModified": "2026-10-19T09:18:31.943", "metrics": {}, "published": "2026-09-16T11:16:55.417", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3ced388b7908270529e5aa6d221840114b6c33bc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/578c4bfa28bf21458ecdde2fd3fc429475f34c10"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/881aafb139520570fd3390bf9938d7098b7fbb99"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a6e86efd7f85e519bf48417f41923f8bd51f1597"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c9b5238d173ee9b94dcaa2b34244ea89c8024feb"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ccd8d1d80afab8b492a583ae81bfd295835bab2f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d92dc4692834e04bc0ef1d0908589852050d1a66"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ef609b3ce456f021320fee2fb7e45094a3ccf232"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: media: v4l2-fwnode: Fix fwnode leak in v4l2_fwnode_parse_link", "id": "2535411", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2535411"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-772", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nmedia: v4l2-fwnode: Fix fwnode leak in v4l2_fwnode_parse_link\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.\nAdd the missing fwnode_handle_put() before returning 0 to prevent the\nreference leak.\n[Sakari Ailus: Fix subject prefix and coding style a little.]", "A flaw was found in the Linux kernel's `v4l2-fwnode` media subsystem. A local attacker or a malicious application could exploit this by failing to properly release a `fwnode` reference in the `v4l2_fwnode_parse_link` function. This resource leak could lead to system instability or a denial of service (DoS), making the system unresponsive or unavailable."], "name": "CVE-2026-89872", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-09-16T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-89872\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-89872\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-89872.mbox"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ca50c197bd9610ea984cfc0dc6855f183cbb46f8,c9b5238d173ee9b94dcaa2b34244ea89c8024feb)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ca50c197bd9610ea984cfc0dc6855f183cbb46f8,ccd8d1d80afab8b492a583ae81bfd295835bab2f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ca50c197bd9610ea984cfc0dc6855f183cbb46f8,d92dc4692834e04bc0ef1d0908589852050d1a66)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ca50c197bd9610ea984cfc0dc6855f183cbb46f8,ef609b3ce456f021320fee2fb7e45094a3ccf232)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ca50c197bd9610ea984cfc0dc6855f183cbb46f8,578c4bfa28bf21458ecdde2fd3fc429475f34c10)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ca50c197bd9610ea984cfc0dc6855f183cbb46f8,3ced388b7908270529e5aa6d221840114b6c33bc)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ca50c197bd9610ea984cfc0dc6855f183cbb46f8,881aafb139520570fd3390bf9938d7098b7fbb99)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ca50c197bd9610ea984cfc0dc6855f183cbb46f8,a6e86efd7f85e519bf48417f41923f8bd51f1597)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "4.13"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,4.13)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.10.270,5.11.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.221,5.16.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.188,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.157,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.110,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.51,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.5,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-09-18T08:45:07.121833+00:00", "updated": "2026-09-24T02:45:15.454910+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}