{"api_version":"1","generated_at":"2026-05-11T11:04:07+00:00","cve":"CVE-2026-43462","urls":{"html":"https://cve.report/CVE-2026-43462","api":"https://cve.report/api/cve/CVE-2026-43462.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-43462","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-43462"},"summary":{"title":"net: spacemit: Fix error handling in emac_tx_mem_map()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: spacemit: Fix error handling in emac_tx_mem_map()\n\nThe DMA mappings were leaked on mapping error. Free them with the\nexisting emac_free_tx_buf() function.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-08 15:16:59","updated_at":"2026-05-11 08:16:15"},"problem_types":[],"metrics":[{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"7.5","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"7.5","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/86292155bea578ebab0ca3b65d4d87ecd8a0e9ea","name":"https://git.kernel.org/stable/c/86292155bea578ebab0ca3b65d4d87ecd8a0e9ea","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/edeaba385318f60ec1b32470da4d5eb800294d16","name":"https://git.kernel.org/stable/c/edeaba385318f60ec1b32470da4d5eb800294d16","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c34ebd7b24ea70be3c6fdb6936f79f593f37df60","name":"https://git.kernel.org/stable/c/c34ebd7b24ea70be3c6fdb6936f79f593f37df60","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-43462","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43462","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected bfec6d7f2001c7470c3cd261ae65a3ba8737f226 c34ebd7b24ea70be3c6fdb6936f79f593f37df60 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected bfec6d7f2001c7470c3cd261ae65a3ba8737f226 edeaba385318f60ec1b32470da4d5eb800294d16 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected bfec6d7f2001c7470c3cd261ae65a3ba8737f226 86292155bea578ebab0ca3b65d4d87ecd8a0e9ea git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.18","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.19 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19.9 6.19.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"43462","cve":"CVE-2026-43462","epss":"0.000170000","percentile":"0.041380000","score_date":"2026-05-10","updated_at":"2026-05-11 00:14:41"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/ethernet/spacemit/k1_emac.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"c34ebd7b24ea70be3c6fdb6936f79f593f37df60","status":"affected","version":"bfec6d7f2001c7470c3cd261ae65a3ba8737f226","versionType":"git"},{"lessThan":"edeaba385318f60ec1b32470da4d5eb800294d16","status":"affected","version":"bfec6d7f2001c7470c3cd261ae65a3ba8737f226","versionType":"git"},{"lessThan":"86292155bea578ebab0ca3b65d4d87ecd8a0e9ea","status":"affected","version":"bfec6d7f2001c7470c3cd261ae65a3ba8737f226","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/ethernet/spacemit/k1_emac.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.18"},{"lessThan":"6.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.19","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.9","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.19","versionStartIncluding":"6.18","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.9","versionStartIncluding":"6.18","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0","versionStartIncluding":"6.18","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: spacemit: Fix error handling in emac_tx_mem_map()\n\nThe DMA mappings were leaked on mapping error. Free them with the\nexisting emac_free_tx_buf() function."}],"metrics":[{"cvssV3_1":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-05-11T06:34:48.883Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/c34ebd7b24ea70be3c6fdb6936f79f593f37df60"},{"url":"https://git.kernel.org/stable/c/edeaba385318f60ec1b32470da4d5eb800294d16"},{"url":"https://git.kernel.org/stable/c/86292155bea578ebab0ca3b65d4d87ecd8a0e9ea"}],"title":"net: spacemit: Fix error handling in emac_tx_mem_map()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-43462","datePublished":"2026-05-08T14:22:24.686Z","dateReserved":"2026-05-01T14:12:56.010Z","dateUpdated":"2026-05-11T06:34:48.883Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-08 15:16:59","lastModifiedDate":"2026-05-11 08:16:15","problem_types":[],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"43462","Ordinal":"1","Title":"net: spacemit: Fix error handling in emac_tx_mem_map()","CVE":"CVE-2026-43462","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"43462","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: spacemit: Fix error handling in emac_tx_mem_map()\n\nThe DMA mappings were leaked on mapping error. Free them with the\nexisting emac_free_tx_buf() function.","Type":"Description","Title":"net: spacemit: Fix error handling in emac_tx_mem_map()"}]}}}