{"id":"CVE-2026-80992","summary":"net: ravb: avoid dereferencing an invalid PTP clock","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ravb: avoid dereferencing an invalid PTP clock\n\nThe PTP clock is unavailable before the first open, so querying its\nindex can dereference a NULL pointer. Registration failures can also\nleave an error pointer in priv-\u003eptp.clock.\n\nCache the PHC index separately and report -1 while no clock is\nregistered. Normalize registration errors to NULL and preserve the\nstatic timestamping capabilities.","modified":"2026-09-13T03:47:17.563871894Z","published":"2026-09-11T19:42:48.855Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80992.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0aaa53936419cf0c19c670387fc6d431e042a1b6"},{"type":"WEB","url":"https://git.kernel.org/stable/c/1f77af0aaf277413ff32f6ff8c2c4282bd64c897"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8d4d06d6e2b501cb8e30ed3b1924c470358e8052"},{"type":"WEB","url":"https://git.kernel.org/stable/c/fc710f89a644e030a7ca15343176ca862fd61b9d"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80992.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80992"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"a0d2f20650e81407d8e51ad2cbdc492861c74e9c"},{"fixed":"fc710f89a644e030a7ca15343176ca862fd61b9d"},{"fixed":"8d4d06d6e2b501cb8e30ed3b1924c470358e8052"},{"fixed":"0aaa53936419cf0c19c670387fc6d431e042a1b6"},{"fixed":"1f77af0aaf277413ff32f6ff8c2c4282bd64c897"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-80992.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.2.0"},{"fixed":"6.12.109"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.50"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.2.4"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-80992.json"}}],"schema_version":"1.9.0"}