{"api_version":"1","generated_at":"2026-05-13T06:20:51+00:00","cve":"CVE-2026-43005","urls":{"html":"https://cve.report/CVE-2026-43005","api":"https://cve.report/api/cve/CVE-2026-43005.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-43005","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-43005"},"summary":{"title":"hwmon: (tps53679) Fix array access with zero-length block read","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nhwmon: (tps53679) Fix array access with zero-length block read\n\ni2c_smbus_read_block_data() can return 0, indicating a zero-length\nread. When this happens, tps53679_identify_chip() accesses buf[ret - 1]\nwhich is buf[-1], reading one byte before the buffer on the stack.\n\nFix by changing the check from \"ret < 0\" to \"ret <= 0\", treating a\nzero-length read as an error (-EIO), which prevents the out-of-bounds\narray access.\n\nAlso fix a typo in the adjacent comment: \"if present\" instead of\nduplicate \"if\".","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-01 15:16:44","updated_at":"2026-05-12 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the Linux kernel, the following vulnerability has been resolved:\n\nhwmon: (tps53679) Fix array access with zero-length block read\n\ni2c_smbus_read_block_data() can return 0, indicating a zero-length\nread. When this happens, tps53679_identify_chip() accesses buf[ret - 1]\nwhich is buf[-1], reading one byte before the buffer on the stack.\n\nFix by changing the check from \"ret < 0\" to \"ret <= 0\", treating a\nzero-length read as an error (-EIO), which prevents the out-of-bounds\narray access.\n\nAlso fix a typo in the adjacent comment: \"if present\" instead of\nduplicate \"if\"."}],"providerMetadata":{"dateUpdated":"2026-05-11T22:15:51.731Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/79b7e588399bb55f4c10bea6ca41b6c3b944d2bb"},{"url":"https://git.kernel.org/stable/c/6999b4769e2a61c463158927102e8c07e3f69ba2"},{"url":"https://git.kernel.org/stable/c/0e211f6aaa6a00fd0ee0c1eea5498f168c6725e6"}],"title":"hwmon: (tps53679) Fix array access with zero-length block read","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-43005","datePublished":"2026-05-01T14:15:13.513Z","dateReserved":"2026-05-01T14:12:55.974Z","dateUpdated":"2026-05-11T22:15:51.731Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-01 15:16:44","lastModifiedDate":"2026-05-12 19:27:29","problem_types":["CWE-125"],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","baseScore":7.1,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.2}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17.1","versionEndExcluding":"6.18.22","matchCriteriaId":"2FC264BA-B15E-4969-89F6-EF026714F771"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.19","versionEndExcluding":"6.19.12","matchCriteriaId":"0A2B9540-02D5-41B4-B16A-82AF66FD4F36"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.17:-:*:*:*:*:*:*","matchCriteriaId":"7CC8B11D-82DC-4958-8DC7-BF5CC829A5E9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*","matchCriteriaId":"F253B622-8837-4245-BCE5-A7BF8FC76A16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*","matchCriteriaId":"4AE85AD8-4641-4E7C-A2F4-305E2CD9EE64"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*","matchCriteriaId":"F666C8D8-6538-46D4-B318-87610DE64C34"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc4:*:*:*:*:*:*","matchCriteriaId":"02259FDA-961B-47BC-AE7F-93D7EC6E90C2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc5:*:*:*:*:*:*","matchCriteriaId":"58A9FEFF-C040-420D-8F0A-BFDAAA1DF258"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc6:*:*:*:*:*:*","matchCriteriaId":"1D2315C0-D46F-4F85-9754-F9E5E11374A6"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"43005","Ordinal":"1","Title":"hwmon: (tps53679) Fix array access with zero-length block read","CVE":"CVE-2026-43005","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"43005","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nhwmon: (tps53679) Fix array access with zero-length block read\n\ni2c_smbus_read_block_data() can return 0, indicating a zero-length\nread. When this happens, tps53679_identify_chip() accesses buf[ret - 1]\nwhich is buf[-1], reading one byte before the buffer on the stack.\n\nFix by changing the check from \"ret < 0\" to \"ret <= 0\", treating a\nzero-length read as an error (-EIO), which prevents the out-of-bounds\narray access.\n\nAlso fix a typo in the adjacent comment: \"if present\" instead of\nduplicate \"if\".","Type":"Description","Title":"hwmon: (tps53679) Fix array access with zero-length block read"}]}}}