{"api_version":"1","generated_at":"2026-10-23T10:58:22+00:00","cve":"CVE-2023-54135","urls":{"html":"https://cve.report/CVE-2023-54135","api":"https://cve.report/api/cve/CVE-2023-54135.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-54135","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-54135"},"summary":{"title":"maple_tree: fix potential out-of-bounds access in mas_wr_end_piv()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmaple_tree: fix potential out-of-bounds access in mas_wr_end_piv()\n\nCheck the write offset end bounds before using it as the offset into the\npivot array.  This avoids a possible out-of-bounds access on the pivot\narray if the write extends to the last slot in the node, in which case the\nnode maximum should be used as the end pivot.\n\nakpm: this doesn't affect any current callers, but new users of mapletree\nmay encounter this problem if backported into earlier kernels, so let's\nfix it in -stable kernels in case of this.","state":"PUBLISHED","assigner":"Linux","published_at":"2025-12-24 13:16:15","updated_at":"2026-08-04 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the Linux kernel, the following vulnerability has been resolved:\n\nmaple_tree: fix potential out-of-bounds access in mas_wr_end_piv()\n\nCheck the write offset end bounds before using it as the offset into the\npivot array.  This avoids a possible out-of-bounds access on the pivot\narray if the write extends to the last slot in the node, in which case the\nnode maximum should be used as the end pivot.\n\nakpm: this doesn't affect any current callers, but new users of mapletree\nmay encounter this problem if backported into earlier kernels, so let's\nfix it in -stable kernels in case of this."}],"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":"2026-08-04T09:17:57.610Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/4e2ad53ababeaac44d71162650984abfe783960c"},{"url":"https://git.kernel.org/stable/c/dc4751bd4aba01ccfc02f91adfeee0ba4cda405c"},{"url":"https://git.kernel.org/stable/c/f5fcf6555a2a4f32947d17b92b173837cc652891"},{"url":"https://git.kernel.org/stable/c/cd00dd2585c4158e81fdfac0bbcc0446afbad26d"}],"title":"maple_tree: fix potential out-of-bounds access in mas_wr_end_piv()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2023-54135","datePublished":"2025-12-24T13:06:51.329Z","dateReserved":"2025-12-24T13:02:52.522Z","dateUpdated":"2026-08-04T09:17:57.610Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2025-12-24 13:16:15","lastModifiedDate":"2026-08-04 10:19:30","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":"2023","CveId":"54135","Ordinal":"1","Title":"maple_tree: fix potential out-of-bounds access in mas_wr_end_piv","CVE":"CVE-2023-54135","Year":"2023"},"notes":[{"CveYear":"2023","CveId":"54135","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nmaple_tree: fix potential out-of-bounds access in mas_wr_end_piv()\n\nCheck the write offset end bounds before using it as the offset into the\npivot array.  This avoids a possible out-of-bounds access on the pivot\narray if the write extends to the last slot in the node, in which case the\nnode maximum should be used as the end pivot.\n\nakpm: this doesn't affect any current callers, but new users of mapletree\nmay encounter this problem if backported into earlier kernels, so let's\nfix it in -stable kernels in case of this.","Type":"Description","Title":"maple_tree: fix potential out-of-bounds access in mas_wr_end_piv"}]}}}