{"api_version":"1","generated_at":"2026-07-23T16:52:09+00:00","cve":"CVE-2026-63865","urls":{"html":"https://cve.report/CVE-2026-63865","api":"https://cve.report/api/cve/CVE-2026-63865.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-63865","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-63865"},"summary":{"title":"bpf: Drop task_to_inode and inet_conn_established from lsm sleepable hooks","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Drop task_to_inode and inet_conn_established from lsm sleepable hooks\n\nbpf_lsm_task_to_inode() is called under rcu_read_lock() and\nbpf_lsm_inet_conn_established() is called from softirq context, so\nneither hook can be used by sleepable LSM programs.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-07-19 15:16:53","updated_at":"2026-07-20 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the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Drop task_to_inode and inet_conn_established from lsm sleepable hooks\n\nbpf_lsm_task_to_inode() is called under rcu_read_lock() and\nbpf_lsm_inet_conn_established() is called from softirq context, so\nneither hook can be used by sleepable LSM programs."}],"metrics":[{"cvssV3_1":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-07-20T13:40:59.327Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/452a927cddcd67478d030e646f41cb904a93156f"},{"url":"https://git.kernel.org/stable/c/f0fc2a9828171205244a28013f02889f50b71c9f"},{"url":"https://git.kernel.org/stable/c/26b380a3ca0b605fd8860995ed6a208f276dd316"},{"url":"https://git.kernel.org/stable/c/0d918263c9bfc86078edb2e2f7302a0c6ce42b7c"},{"url":"https://git.kernel.org/stable/c/281f2a214565a5cbf8b7355a65738d80bd19b8c5"},{"url":"https://git.kernel.org/stable/c/989f1b93907de1753a814996222da375f07e579b"},{"url":"https://git.kernel.org/stable/c/beaf0e96b1da74549a6cabd040f9667d83b2e97e"}],"title":"bpf: Drop task_to_inode and inet_conn_established from lsm sleepable hooks","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-63865","datePublished":"2026-07-19T14:04:51.215Z","dateReserved":"2026-07-19T07:54:57.017Z","dateUpdated":"2026-07-20T13:40:59.327Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-19 15:16:53","lastModifiedDate":"2026-07-20 15:16:52","problem_types":[],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2,"impactScore":6}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"63865","Ordinal":"1","Title":"bpf: Drop task_to_inode and inet_conn_established from lsm sleep","CVE":"CVE-2026-63865","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"63865","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Drop task_to_inode and inet_conn_established from lsm sleepable hooks\n\nbpf_lsm_task_to_inode() is called under rcu_read_lock() and\nbpf_lsm_inet_conn_established() is called from softirq context, so\nneither hook can be used by sleepable LSM programs.","Type":"Description","Title":"bpf: Drop task_to_inode and inet_conn_established from lsm sleep"}]}}}