{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-89982", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-11T19:38:34.779Z", "datePublished": "2026-09-16T10:32:58.747Z", "dateUpdated": "2026-10-19T08:55:56.803Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T08:55:56.803Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ni2c: mux: Fix channel node leak on adapter add failure\n\ni2c_mux_add_adapter() takes a reference to the Device Tree channel node\nbefore registering the new adapter. If adapter registration fails, the\nerror path frees the private data without dropping that reference.\n\nRelease the channel node before freeing the private data."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/i2c/i2c-mux.c"], "versions": [{"version": "bc45449b1444611d68466ae7f45f235420d79019", "lessThan": "4f42f70afd2447f3c82ca69d1e03466a75348ba9", "status": "affected", "versionType": "git"}, {"version": "bc45449b1444611d68466ae7f45f235420d79019", "lessThan": "4c9bc46a2a4afb7a11c48d33bdf19febab431015", "status": "affected", "versionType": "git"}, {"version": "bc45449b1444611d68466ae7f45f235420d79019", "lessThan": "dd2c1e6747b17b24ecddd48a7bb6bb964c2793d1", "status": "affected", "versionType": "git"}, {"version": "bc45449b1444611d68466ae7f45f235420d79019", "lessThan": "0927153f2abf48b6cc3e5f27063a17f7a8d47f38", "status": "affected", "versionType": "git"}, {"version": "bc45449b1444611d68466ae7f45f235420d79019", "lessThan": "b580f062b24c4eef562f08f210c028adb34ef14e", "status": "affected", "versionType": "git"}, {"version": "bc45449b1444611d68466ae7f45f235420d79019", "lessThan": "2b3b06cb709c4bf75a3fe3da3a0ca368ee3b40e5", "status": "affected", "versionType": "git"}, {"version": "bc45449b1444611d68466ae7f45f235420d79019", "lessThan": "694e7e6edf249723ca7d3ef77c2ca1badfc78dc4", "status": "affected", "versionType": "git"}, {"version": "bc45449b1444611d68466ae7f45f235420d79019", "lessThan": "385c7af4e3b95d0769fd211831674e83b16a2ebf", "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/i2c/i2c-mux.c"], "versions": [{"version": "3.5", "status": "affected"}, {"version": "0", "lessThan": "3.5", "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": "3.5", "versionEndExcluding": "5.10.270"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.5", "versionEndExcluding": "5.15.221"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.5", "versionEndExcluding": "6.1.188"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.5", "versionEndExcluding": "6.6.157"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.5", "versionEndExcluding": "6.12.110"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.5", "versionEndExcluding": "6.18.51"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.5", "versionEndExcluding": "7.2.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.5", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/4f42f70afd2447f3c82ca69d1e03466a75348ba9"}, {"url": "https://git.kernel.org/stable/c/4c9bc46a2a4afb7a11c48d33bdf19febab431015"}, {"url": "https://git.kernel.org/stable/c/dd2c1e6747b17b24ecddd48a7bb6bb964c2793d1"}, {"url": "https://git.kernel.org/stable/c/0927153f2abf48b6cc3e5f27063a17f7a8d47f38"}, {"url": "https://git.kernel.org/stable/c/b580f062b24c4eef562f08f210c028adb34ef14e"}, {"url": "https://git.kernel.org/stable/c/2b3b06cb709c4bf75a3fe3da3a0ca368ee3b40e5"}, {"url": "https://git.kernel.org/stable/c/694e7e6edf249723ca7d3ef77c2ca1badfc78dc4"}, {"url": "https://git.kernel.org/stable/c/385c7af4e3b95d0769fd211831674e83b16a2ebf"}], "title": "i2c: mux: Fix channel node leak on adapter add failure", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/i2c/i2c-mux.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "4f42f70afd2447f3c82ca69d1e03466a75348ba9", "status": "affected", "version": "bc45449b1444611d68466ae7f45f235420d79019", "versionType": "git"}, {"lessThan": "4c9bc46a2a4afb7a11c48d33bdf19febab431015", "status": "affected", "version": "bc45449b1444611d68466ae7f45f235420d79019", "versionType": "git"}, {"lessThan": "dd2c1e6747b17b24ecddd48a7bb6bb964c2793d1", "status": "affected", "version": "bc45449b1444611d68466ae7f45f235420d79019", "versionType": "git"}, {"lessThan": "0927153f2abf48b6cc3e5f27063a17f7a8d47f38", "status": "affected", "version": "bc45449b1444611d68466ae7f45f235420d79019", "versionType": "git"}, {"lessThan": "b580f062b24c4eef562f08f210c028adb34ef14e", "status": "affected", "version": "bc45449b1444611d68466ae7f45f235420d79019", "versionType": "git"}, {"lessThan": "2b3b06cb709c4bf75a3fe3da3a0ca368ee3b40e5", "status": "affected", "version": "bc45449b1444611d68466ae7f45f235420d79019", "versionType": "git"}, {"lessThan": "694e7e6edf249723ca7d3ef77c2ca1badfc78dc4", "status": "affected", "version": "bc45449b1444611d68466ae7f45f235420d79019", "versionType": "git"}, {"lessThan": "385c7af4e3b95d0769fd211831674e83b16a2ebf", "status": "affected", "version": "bc45449b1444611d68466ae7f45f235420d79019", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/i2c/i2c-mux.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "3.5"}, {"lessThan": "3.5", "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\ni2c: mux: Fix channel node leak on adapter add failure\n\ni2c_mux_add_adapter() takes a reference to the Device Tree channel node\nbefore registering the new adapter. If adapter registration fails, the\nerror path frees the private data without dropping that reference.\n\nRelease the channel node before freeing the private data."}], "id": "CVE-2026-89982", "lastModified": "2026-10-19T09:18:45.113", "metrics": {}, "published": "2026-09-16T11:17:09.147", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0927153f2abf48b6cc3e5f27063a17f7a8d47f38"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2b3b06cb709c4bf75a3fe3da3a0ca368ee3b40e5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/385c7af4e3b95d0769fd211831674e83b16a2ebf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4c9bc46a2a4afb7a11c48d33bdf19febab431015"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4f42f70afd2447f3c82ca69d1e03466a75348ba9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/694e7e6edf249723ca7d3ef77c2ca1badfc78dc4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b580f062b24c4eef562f08f210c028adb34ef14e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/dd2c1e6747b17b24ecddd48a7bb6bb964c2793d1"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

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