CVE-2026-98162

{"id": "CVE-2026-98162", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "e2b76ab8b5c9327ab2dae6da05d0752eb2f4771d", "lessThan": "fa0c45986fc60b3edfb35879f2fb0eacc0e49e98", "versionType": "git"}, {"status": "affected", "version": "e2b76ab8b5c9327ab2dae6da05d0752eb2f4771d", "lessThan": "fea9c705bbc618ba6426424c9f8330555820c9ec", "versionType": "git"}, {"status": "affected", "version": "e2b76ab8b5c9327ab2dae6da05d0752eb2f4771d", "lessThan": "a6c88e5e3a75f1e4a98ad4bc4037465ccd7925bc", "versionType": "git"}, {"status": "affected", "version": "e2b76ab8b5c9327ab2dae6da05d0752eb2f4771d", "lessThan": "39f2032096715daae5f6fd0f587ca7a474b019df", "versionType": "git"}, {"status": "affected", "version": "f2283680a80571ca82d710bc6ecd8f8beac67d63", "versionType": "git"}, {"status": "affected", "version": "9f297df20d93411c0b4ddad7f88ba04a7cd36e77", "versionType": "git"}, {"status": "affected", "version": "5.15.145", "lessThan": "5.16", "versionType": "semver"}, {"status": "affected", "version": "6.1.71", "lessThan": "6.2", "versionType": "semver"}], "programFiles": ["fs/smb/server/smb2pdu.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.6"}, {"status": "unaffected", "version": "0", "lessThan": "6.6", "versionType": "semver"}, {"status": "unaffected", "version": "6.6.160", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.18.57", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.2.6", "versionType": "semver", "lessThanOrEqual": "7.2.*"}, {"status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["fs/smb/server/smb2pdu.c"], "defaultStatus": "affected"}]}], "published": "2026-09-25T14:17:27.887", "references": [{"url": "https://git.kernel.org/stable/c/39f2032096715daae5f6fd0f587ca7a474b019df", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/a6c88e5e3a75f1e4a98ad4bc4037465ccd7925bc", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/fa0c45986fc60b3edfb35879f2fb0eacc0e49e98", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/fea9c705bbc618ba6426424c9f8330555820c9ec", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-401"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb/server: fix tree connection leak in smb2_tree_connect()\n\nSee the procedure below:\n\n smb2_tree_connect\n ksmbd_tree_conn_connect\n xa_store(&sess->tree_conns, tree_conn->id, tree_conn)\n ksmbd_counter_inc(KSMBD_COUNTER_TREE_CONNS)\n ksmbd_share_tree_conn_inc(sc)\n ksmbd_iov_pin_rsp // fail\n status.ret = KSMBD_TREE_CONN_STATUS_NOMEM\n // do not disconnect tree_conn\n\nDisconnect the new tree connection if ksmbd_iov_pin_rsp() fails."}], "lastModified": "2026-10-21T13:21:24.797", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B98C9201-BF17-4E2C-84FF-75EE2AA94DC5", "versionEndExcluding": "5.16", "versionStartIncluding": "5.15.145"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "163E72B5-0F5D-49E2-AAEA-F11E02D730AD", "versionEndExcluding": "6.2", "versionStartIncluding": "6.1.71"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E981DC2A-E9FB-4932-A793-314FCAD5CB2F", "versionEndExcluding": "7.2.6", "versionStartIncluding": "6.6"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}