{"id":"CVE-2026-80992","revision":"d636a99a30794913b31c3fadb13d1c79","records":[{"revision":"d636a99a30794913b31c3fadb13d1c79","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-80992","aliases":[],"title":"net: ravb: avoid dereferencing an invalid PTP clock","description":"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->ptp.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.","state":0,"publishedAt":"2026-09-11T19:42:48.855+00:00","modifiedAt":"2026-10-19T08:46:16.688+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/net/ethernet/renesas/ravb.h\",\n                        \"drivers/net/ethernet/renesas/ravb_main.c\",\n                        \"drivers/net/ethernet/renesas/ravb_ptp.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"a0d2f20650e81407d8e51ad2cbdc492861c74e9c\",\n                            \"lessThan\": \"29ffd972531f8e6e0edf4ea3496190acff9fc9c2\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"a0d2f20650e81407d8e51ad2cbdc492861c74e9c\",\n                            \"lessThan\": \"bf3308416a2be85dcc9965b614a745b40beeff14\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"a0d2f20650e81407d8e51ad2cbdc492861c74e9c\",\n                            \"lessThan\": \"fc710f89a644e030a7ca15343176ca862fd61b9d\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"a0d2f20650e81407d8e51ad2cbdc492861c74e9c\",\n                            \"lessThan\": \"8d4d06d6e2b501cb8e30ed3b1924c470358e8052\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"a0d2f20650e81407d8e51ad2cbdc492861c74e9c\",\n                            \"lessThan\": \"0aaa53936419cf0c19c670387fc6d431e042a1b6\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"a0d2f20650e81407d8e51ad2cbdc492861c74e9c\",\n                            \"lessThan\": \"1f77af0aaf277413ff32f6ff8c2c4282bd64c897\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/net/ethernet/renesas/ravb.h\",\n                        \"drivers/net/ethernet/renesas/ravb_main.c\",\n                        \"drivers/net/ethernet/renesas/ravb_ptp.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4.2\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"4.2\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.188\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.157\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.109\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.50\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.4\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/29ffd972531f8e6e0edf4ea3496190acff9fc9c2","https://git.kernel.org/stable/c/bf3308416a2be85dcc9965b614a745b40beeff14","https://git.kernel.org/stable/c/fc710f89a644e030a7ca15343176ca862fd61b9d","https://git.kernel.org/stable/c/8d4d06d6e2b501cb8e30ed3b1924c470358e8052","https://git.kernel.org/stable/c/0aaa53936419cf0c19c670387fc6d431e042a1b6","https://git.kernel.org/stable/c/1f77af0aaf277413ff32f6ff8c2c4282bd64c897"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-80992","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-80992","identifiers":["CVE-2026-80992"]},"retained":false,"historicalAffected":[]}],"coverage":[]}