{"api_version":"1","generated_at":"2026-07-21T15:13:41+00:00","cve":"CVE-2026-63860","urls":{"html":"https://cve.report/CVE-2026-63860","api":"https://cve.report/api/cve/CVE-2026-63860.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-63860","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-63860"},"summary":{"title":"RDMA/core: Prefer NLA_NUL_STRING","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/core: Prefer NLA_NUL_STRING\n\nThese attributes are evaluated as c-string (passed to strcmp), but\nNLA_STRING doesn't check for the presence of a \\0 terminator.\n\nEither this needs to switch to nla_strcmp() and needs to adjust printf fmt\nspecifier to not use plain %s, or this needs to use NLA_NUL_STRING.\n\nAs the code has been this way for long time, it seems to me that userspace\ndoes include the terminating nul, even tough its not enforced so far, and\nthus NLA_NUL_STRING use is the simpler solution.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-07-19 15:16:52","updated_at":"2026-07-20 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the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/core: Prefer NLA_NUL_STRING\n\nThese attributes are evaluated as c-string (passed to strcmp), but\nNLA_STRING doesn't check for the presence of a \\0 terminator.\n\nEither this needs to switch to nla_strcmp() and needs to adjust printf fmt\nspecifier to not use plain %s, or this needs to use NLA_NUL_STRING.\n\nAs the code has been this way for long time, it seems to me that userspace\ndoes include the terminating nul, even tough its not enforced so far, and\nthus NLA_NUL_STRING use is the simpler solution."}],"metrics":[{"cvssV3_1":{"baseScore":8.4,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-07-20T13:40:56.441Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/fcd07d3b8ee7a39b344d73aed69c1a68cd9eacdf"},{"url":"https://git.kernel.org/stable/c/87111356d58d86edb221ba144d261ed83a5b8bbe"},{"url":"https://git.kernel.org/stable/c/abda65bdd13084c771842adaac1f652d0660dd82"},{"url":"https://git.kernel.org/stable/c/137b5918931d4d05aa8ea8d3adf67f7224eef63c"},{"url":"https://git.kernel.org/stable/c/5877c043398d5fa0e93919a3d837e5cd7a98a961"},{"url":"https://git.kernel.org/stable/c/f2c7b39dde2e61df8157066969cc2a408cd3dcd9"},{"url":"https://git.kernel.org/stable/c/c26a0052cceed4c4d380ee5808b699f937fb58d8"},{"url":"https://git.kernel.org/stable/c/6ed3d14fc45d3da6025e7fe4a6a09066856698e2"}],"title":"RDMA/core: Prefer NLA_NUL_STRING","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-63860","datePublished":"2026-07-19T14:04:48.153Z","dateReserved":"2026-07-19T07:54:57.017Z","dateUpdated":"2026-07-20T13:40:56.441Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-19 15:16:52","lastModifiedDate":"2026-07-20 15:16:52","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:N/UI:N/S:U/C:H/I:H/A:H","baseScore":8.4,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.5,"impactScore":5.9}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"63860","Ordinal":"1","Title":"RDMA/core: Prefer NLA_NUL_STRING","CVE":"CVE-2026-63860","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"63860","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/core: Prefer NLA_NUL_STRING\n\nThese attributes are evaluated as c-string (passed to strcmp), but\nNLA_STRING doesn't check for the presence of a \\0 terminator.\n\nEither this needs to switch to nla_strcmp() and needs to adjust printf fmt\nspecifier to not use plain %s, or this needs to use NLA_NUL_STRING.\n\nAs the code has been this way for long time, it seems to me that userspace\ndoes include the terminating nul, even tough its not enforced so far, and\nthus NLA_NUL_STRING use is the simpler solution.","Type":"Description","Title":"RDMA/core: Prefer NLA_NUL_STRING"}]}}}