{"api_version":"1","generated_at":"2026-07-23T09:37:01+00:00","cve":"CVE-2026-64005","urls":{"html":"https://cve.report/CVE-2026-64005","api":"https://cve.report/api/cve/CVE-2026-64005.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-64005","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-64005"},"summary":{"title":"net/smc: Do not re-initialize smc hashtables","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/smc: Do not re-initialize smc hashtables\n\nINIT_HLIST_HEAD(&smc_v*_hashinfo.ht) are called after smc_nl_init(),\nproto_register() and sock_register(). This can lead to smc_v*_hashinfo.ht\nbeing reset even though hash entries already exist and are being used,\npossibly resulting in a corrupted list.\n\nRemove unnecessary and dangerous re-initialisation of smc_v*_hashinfo.ht in\nsmc_init(); it is implicitly initialised to zero anyhow. Add\nHLIST_HEAD_INIT to the definitions for clarity.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-07-19 16:17:40","updated_at":"2026-07-20 15:17:01"},"problem_types":[],"metrics":[{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/9e4389b0038781f19f97895186ed941ff8ac1678","name":"https://git.kernel.org/stable/c/9e4389b0038781f19f97895186ed941ff8ac1678","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/55cba6b883b41e5922c00ba9d4e3262131f46f1b","name":"https://git.kernel.org/stable/c/55cba6b883b41e5922c00ba9d4e3262131f46f1b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/5ec939367e700722ffbb1b7cacccbb1a3cf0ebd1","name":"https://git.kernel.org/stable/c/5ec939367e700722ffbb1b7cacccbb1a3cf0ebd1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/0cc9d0ac22d02f1ba1884de5d6de9eaf8b45d82d","name":"https://git.kernel.org/stable/c/0cc9d0ac22d02f1ba1884de5d6de9eaf8b45d82d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/64c96e497d5ada0b90e99bf58f893aa2b73dcfbc","name":"https://git.kernel.org/stable/c/64c96e497d5ada0b90e99bf58f893aa2b73dcfbc","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ed7a758313011885347b854e97cb95903ef3c3f7","name":"https://git.kernel.org/stable/c/ed7a758313011885347b854e97cb95903ef3c3f7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/cdc79c05cc375f68ae87b0c74fdaac1a5c93155a","name":"https://git.kernel.org/stable/c/cdc79c05cc375f68ae87b0c74fdaac1a5c93155a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/2006605006e5a4a11d93e1ebdbbe95764d24276f","name":"https://git.kernel.org/stable/c/2006605006e5a4a11d93e1ebdbbe95764d24276f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-64005","name":"CVE 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the Linux kernel, the following vulnerability has been resolved:\n\nnet/smc: Do not re-initialize smc hashtables\n\nINIT_HLIST_HEAD(&smc_v*_hashinfo.ht) are called after smc_nl_init(),\nproto_register() and sock_register(). This can lead to smc_v*_hashinfo.ht\nbeing reset even though hash entries already exist and are being used,\npossibly resulting in a corrupted list.\n\nRemove unnecessary and dangerous re-initialisation of smc_v*_hashinfo.ht in\nsmc_init(); it is implicitly initialised to zero anyhow. Add\nHLIST_HEAD_INIT to the definitions for clarity."}],"metrics":[{"cvssV3_1":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-07-20T13:42:16.855Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/cdc79c05cc375f68ae87b0c74fdaac1a5c93155a"},{"url":"https://git.kernel.org/stable/c/2006605006e5a4a11d93e1ebdbbe95764d24276f"},{"url":"https://git.kernel.org/stable/c/64c96e497d5ada0b90e99bf58f893aa2b73dcfbc"},{"url":"https://git.kernel.org/stable/c/ed7a758313011885347b854e97cb95903ef3c3f7"},{"url":"https://git.kernel.org/stable/c/0cc9d0ac22d02f1ba1884de5d6de9eaf8b45d82d"},{"url":"https://git.kernel.org/stable/c/55cba6b883b41e5922c00ba9d4e3262131f46f1b"},{"url":"https://git.kernel.org/stable/c/5ec939367e700722ffbb1b7cacccbb1a3cf0ebd1"},{"url":"https://git.kernel.org/stable/c/9e4389b0038781f19f97895186ed941ff8ac1678"}],"title":"net/smc: Do not re-initialize smc hashtables","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-64005","datePublished":"2026-07-19T14:56:21.608Z","dateReserved":"2026-07-19T07:54:57.026Z","dateUpdated":"2026-07-20T13:42:16.855Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-19 16:17:40","lastModifiedDate":"2026-07-20 15:17:01","problem_types":[],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"64005","Ordinal":"1","Title":"net/smc: Do not re-initialize smc hashtables","CVE":"CVE-2026-64005","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"64005","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/smc: Do not re-initialize smc hashtables\n\nINIT_HLIST_HEAD(&smc_v*_hashinfo.ht) are called after smc_nl_init(),\nproto_register() and sock_register(). This can lead to smc_v*_hashinfo.ht\nbeing reset even though hash entries already exist and are being used,\npossibly resulting in a corrupted list.\n\nRemove unnecessary and dangerous re-initialisation of smc_v*_hashinfo.ht in\nsmc_init(); it is implicitly initialised to zero anyhow. Add\nHLIST_HEAD_INIT to the definitions for clarity.","Type":"Description","Title":"net/smc: Do not re-initialize smc hashtables"}]}}}