{"schema":"threatline.record/2","record":{"id":"CVE-2026-97963","aliases":[],"summary":"net: stmmac: initialize ptp_lock at probe time","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: stmmac: initialize ptp_lock at probe time\n\npriv->ptp_lock is only initialized in stmmac_ptp_register(), which runs\nduring __stmmac_open(). However, the lock is also used while the\ninterface is down and has never been opened: tc_taprio_configure()\ninvokes the PTP gettime64() callback to compute the EST base time when\noffloading a TAPRIO schedule, and stmmac_get_time() takes\npriv->ptp_lock. Using an uninitialized rwlock is undefined behaviour.\nMove the rwlock_init() to __stmmac_dvr_probe(), together with the other\nprivate locks, so that ptp_lock is always valid regardless of the\ninterface state.","categories":["Operating systems"],"product":"Linux","vendor":"Linux","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-97963","source_modified_at":"2026-10-19T09:11:29.173Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"b60189e0392fa06348911077ef281eb2b1047b6a","lessThan":"ee33e424d4932c70f103b94a46b685923f236f65","status":"affected","versionType":"git"},{"version":"b60189e0392fa06348911077ef281eb2b1047b6a","lessThan":"7ced87834f3a58761d4bbcabf8326478548e6a54","status":"affected","versionType":"git"},{"version":"b60189e0392fa06348911077ef281eb2b1047b6a","lessThan":"79fb5bcc50996964e076dffbdc24b7d2c06bd957","status":"affected","versionType":"git"},{"version":"b60189e0392fa06348911077ef281eb2b1047b6a","lessThan":"420315413b29635de1d4ea4142e410e6465260f3","status":"affected","versionType":"git"},{"version":"b60189e0392fa06348911077ef281eb2b1047b6a","lessThan":"25cc0096efba83b4e0e6fa50f03e9543b41e9d3d","status":"affected","versionType":"git"},{"version":"b60189e0392fa06348911077ef281eb2b1047b6a","lessThan":"b1986595cf827c38ff929e22fbc9ca8f76379306","status":"affected","versionType":"git"},{"version":"b60189e0392fa06348911077ef281eb2b1047b6a","lessThan":"0338c68e22abd2ee509ec2e32508a50896618c32","status":"affected","versionType":"git"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-97963","source_modified_at":"2026-10-19T09:11:29.173Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"5.6","status":"affected"},{"version":"0","lessThan":"5.6","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":"6.12.111","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.53","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.7","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-2026-97963","source_modified_at":"2026-10-19T09:11:29.173Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"7ced87834f3a58761d4bbcabf8326478548e6a54","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-97963","source_modified_at":"2026-10-19T09:11:29.173Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"79fb5bcc50996964e076dffbdc24b7d2c06bd957","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-97963","source_modified_at":"2026-10-19T09:11:29.173Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"420315413b29635de1d4ea4142e410e6465260f3","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-97963","source_modified_at":"2026-10-19T09:11:29.173Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"25cc0096efba83b4e0e6fa50f03e9543b41e9d3d","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-97963","source_modified_at":"2026-10-19T09:11:29.173Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"0338c68e22abd2ee509ec2e32508a50896618c32","basis":"first unaffected version stated in the CVE record"}],"cvss":null,"severity":null,"kev":{"listed":false},"epss":{"probability":0.00172,"percentile":0.06314,"score_date":"2026-10-23"},"published_at":"2026-09-25T10:23:06.749Z","modified_at":"2026-10-19T09:11:29.173Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-97963","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-19T09:11:29.173Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-97963","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/ee33e424d4932c70f103b94a46b685923f236f65"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/7ced87834f3a58761d4bbcabf8326478548e6a54"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/79fb5bcc50996964e076dffbdc24b7d2c06bd957"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/420315413b29635de1d4ea4142e410e6465260f3"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/25cc0096efba83b4e0e6fa50f03e9543b41e9d3d"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/b1986595cf827c38ff929e22fbc9ca8f76379306"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/0338c68e22abd2ee509ec2e32508a50896618c32"}],"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":"2026-10-19T09:11:29.173Z","content_hash":"4f76f73a11b2b7605b89f524b32a6569827dccd16f2d69665cf4e082e5a001de"}}