{"schema":"threatline.record/2","record":{"id":"CVE-2026-98476","aliases":[],"summary":"s390/cio: Fix NULL pointer dereference in ccw_device_get_util_str()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ns390/cio: Fix NULL pointer dereference in ccw_device_get_util_str()\n\nThe channel path registry entry associated with a CHPID may be removed\nwhile the subchannel's PMCW still references that CHPID. In this case,\nchpid_to_chp() can return NULL, leading to a NULL pointer dereference.\n\nAdd the missing NULL check before dereferencing the returned pointer.","categories":["Operating systems"],"product":"Linux","vendor":"Linux","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98476","source_modified_at":"2026-10-19T09:20:13.920Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"199652309a4d6635fca19d7528d73ab9e219bd9a","lessThan":"9d8b21820caed9128945fffcedf03e2a4c21eee2","status":"affected","versionType":"git"},{"version":"199652309a4d6635fca19d7528d73ab9e219bd9a","lessThan":"5fc54e04dad90b15d0430118b3f288a1d64e66c9","status":"affected","versionType":"git"},{"version":"199652309a4d6635fca19d7528d73ab9e219bd9a","lessThan":"27e396a89f76f742abdbe9f8c4a58a6e806fdf59","status":"affected","versionType":"git"},{"version":"199652309a4d6635fca19d7528d73ab9e219bd9a","lessThan":"dbf30e661ceb9a52c94c85719716391dcc29142a","status":"affected","versionType":"git"},{"version":"199652309a4d6635fca19d7528d73ab9e219bd9a","lessThan":"5e006ac90a4d331db1dd712b91fec849b45ffc01","status":"affected","versionType":"git"},{"version":"199652309a4d6635fca19d7528d73ab9e219bd9a","lessThan":"c3bbcb32deecc06ebb1762398399b566d5ff2fc9","status":"affected","versionType":"git"},{"version":"199652309a4d6635fca19d7528d73ab9e219bd9a","lessThan":"44b16b02608058fc72198ac0205969f0f43065df","status":"affected","versionType":"git"},{"version":"199652309a4d6635fca19d7528d73ab9e219bd9a","lessThan":"5b76268dac968612f7283d59b539036de955b7d9","status":"affected","versionType":"git"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98476","source_modified_at":"2026-10-19T09:20:13.920Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"4.18","status":"affected"},{"version":"0","lessThan":"4.18","status":"unaffected","versionType":"semver"},{"version":"5.10.271","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.222","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.189","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.158","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.112","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.55","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.9","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}],"defaultStatus":"affected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98476","source_modified_at":"2026-10-19T09:20:13.920Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"9d8b21820caed9128945fffcedf03e2a4c21eee2","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98476","source_modified_at":"2026-10-19T09:20:13.920Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"5fc54e04dad90b15d0430118b3f288a1d64e66c9","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98476","source_modified_at":"2026-10-19T09:20:13.920Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"27e396a89f76f742abdbe9f8c4a58a6e806fdf59","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98476","source_modified_at":"2026-10-19T09:20:13.920Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"5e006ac90a4d331db1dd712b91fec849b45ffc01","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98476","source_modified_at":"2026-10-19T09:20:13.920Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"44b16b02608058fc72198ac0205969f0f43065df","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98476","source_modified_at":"2026-10-19T09:20:13.920Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"5b76268dac968612f7283d59b539036de955b7d9","basis":"first unaffected version stated in the CVE record"}],"cvss":null,"severity":null,"kev":{"listed":false},"epss":{"probability":0.00176,"percentile":0.0684,"score_date":"2026-10-23"},"published_at":"2026-10-18T15:15:45.100Z","modified_at":"2026-10-19T09:20:13.920Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-98476","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-19T09:20:13.920Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-98476","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://git.kernel.org/stable/c/9d8b21820caed9128945fffcedf03e2a4c21eee2"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/5fc54e04dad90b15d0430118b3f288a1d64e66c9"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/27e396a89f76f742abdbe9f8c4a58a6e806fdf59"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/dbf30e661ceb9a52c94c85719716391dcc29142a"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/5e006ac90a4d331db1dd712b91fec849b45ffc01"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/c3bbcb32deecc06ebb1762398399b566d5ff2fc9"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/44b16b02608058fc72198ac0205969f0f43065df"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/5b76268dac968612f7283d59b539036de955b7d9"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-19T09:20:13.920Z","content_hash":"1f951b6a1f894daaa8c37c8ba5e4b59cc3fbaadeeeee35294e93d784fde3c78b"}}