{"schema":"threatline.record/2","record":{"id":"CVE-2026-98754","aliases":[],"summary":"tty: vcc: hold port lock when clearing tty pointer in vcc_cleanup","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ntty: vcc: hold port lock when clearing tty pointer in vcc_cleanup\n\nvcc_cleanup() sets port->tty to NULL without holding port->lock, racing\nwith vcc_event() LDC callbacks that read port->tty under port->lock and\nthen use tty->port. This can cause a use-after-free when the callback\ndereferences tty->port after cleanup has already destroyed and freed it.","categories":["Operating systems"],"product":"Linux","vendor":"Linux","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98754","source_modified_at":"2026-10-21T12:56:29.979Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"57753441ef84bee3bf0e9ee1e3778d119c44aa32","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"88f6ecb058801e9ce7b9aabc966530118d7cd53c","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"821050631750e982007c0856c119346edba51cae","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"1a9fb9eaeb69b1f6c00bed09289a33d9fe1e7ae4","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"03b49c991abb8d021ca6fe51cd173447236b0552","status":"affected","versionType":"git"},{"version":"0","lessThan":"6.6.160","status":"affected","versionType":"semver"},{"version":"0","lessThan":"6.12.113","status":"affected","versionType":"semver"},{"version":"0","lessThan":"6.18.56","status":"affected","versionType":"semver"},{"version":"0","lessThan":"7.2.10","status":"affected","versionType":"semver"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98754","source_modified_at":"2026-10-21T12:56:29.979Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"6.6.160","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.113","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.56","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.10","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-2026-98754","source_modified_at":"2026-10-21T12:56:29.979Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"57753441ef84bee3bf0e9ee1e3778d119c44aa32","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98754","source_modified_at":"2026-10-21T12:56:29.979Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"88f6ecb058801e9ce7b9aabc966530118d7cd53c","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98754","source_modified_at":"2026-10-21T12:56:29.979Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"821050631750e982007c0856c119346edba51cae","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98754","source_modified_at":"2026-10-21T12:56:29.979Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"1a9fb9eaeb69b1f6c00bed09289a33d9fe1e7ae4","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98754","source_modified_at":"2026-10-21T12:56:29.979Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"03b49c991abb8d021ca6fe51cd173447236b0552","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98754","source_modified_at":"2026-10-21T12:56:29.979Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"6.6.160","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98754","source_modified_at":"2026-10-21T12:56:29.979Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"6.12.113","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98754","source_modified_at":"2026-10-21T12:56:29.979Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"6.18.56","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98754","source_modified_at":"2026-10-21T12:56:29.979Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"7.2.10","basis":"first unaffected version stated in the CVE record"}],"cvss":null,"severity":null,"kev":{"listed":false},"epss":{"probability":0.00168,"percentile":0.05736,"score_date":"2026-10-23"},"published_at":"2026-10-18T15:47:40.255Z","modified_at":"2026-10-21T12:56:29.979Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-98754","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-21T12:56:29.979Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-98754","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/57753441ef84bee3bf0e9ee1e3778d119c44aa32"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/88f6ecb058801e9ce7b9aabc966530118d7cd53c"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/821050631750e982007c0856c119346edba51cae"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/1a9fb9eaeb69b1f6c00bed09289a33d9fe1e7ae4"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/03b49c991abb8d021ca6fe51cd173447236b0552"}],"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":"2026-10-21T12:56:29.979Z","content_hash":"5175a6a4ecf649b2f2a445ba72516d9af9c3cea543d387ca0733410429ae732a"}}