{"api_version":"1","generated_at":"2026-05-13T08:50:18+00:00","cve":"CVE-2026-43155","urls":{"html":"https://cve.report/CVE-2026-43155","api":"https://cve.report/api/cve/CVE-2026-43155.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-43155","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-43155"},"summary":{"title":"mux: mmio: fix regmap leak on probe failure","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmux: mmio: fix regmap leak on probe failure\n\nThe mmio regmap that may be allocated during probe is never freed.\n\nSwitch to using the device managed allocator so that the regmap is\nreleased on probe failures (e.g. probe deferral) and on driver unbind.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-06 12:16:33","updated_at":"2026-05-06 13:07:51"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/3c4ae63073d84abee5d81ce46d86a94e9dae9c89","name":"https://git.kernel.org/stable/c/3c4ae63073d84abee5d81ce46d86a94e9dae9c89","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/cbde3c109d52564ae2c12e514c33c44345e84b2c","name":"https://git.kernel.org/stable/c/cbde3c109d52564ae2c12e514c33c44345e84b2c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/76096f156fe9dc9fbd6e4618088706e91b9b0a6c","name":"https://git.kernel.org/stable/c/76096f156fe9dc9fbd6e4618088706e91b9b0a6c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-43155","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43155","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 61de83fd8256e185588670d3cf0bccc3e913819c 76096f156fe9dc9fbd6e4618088706e91b9b0a6c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 61de83fd8256e185588670d3cf0bccc3e913819c cbde3c109d52564ae2c12e514c33c44345e84b2c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 61de83fd8256e185588670d3cf0bccc3e913819c 3c4ae63073d84abee5d81ce46d86a94e9dae9c89 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.16","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.16 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.16 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19.6 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":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/mux/mmio.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"76096f156fe9dc9fbd6e4618088706e91b9b0a6c","status":"affected","version":"61de83fd8256e185588670d3cf0bccc3e913819c","versionType":"git"},{"lessThan":"cbde3c109d52564ae2c12e514c33c44345e84b2c","status":"affected","version":"61de83fd8256e185588670d3cf0bccc3e913819c","versionType":"git"},{"lessThan":"3c4ae63073d84abee5d81ce46d86a94e9dae9c89","status":"affected","version":"61de83fd8256e185588670d3cf0bccc3e913819c","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/mux/mmio.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.16"},{"lessThan":"6.16","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.16","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.6","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":"6.18.16","versionStartIncluding":"6.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.6","versionStartIncluding":"6.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0","versionStartIncluding":"6.16","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmux: mmio: fix regmap leak on probe failure\n\nThe mmio regmap that may be allocated during probe is never freed.\n\nSwitch to using the device managed allocator so that the regmap is\nreleased on probe failures (e.g. probe deferral) and on driver unbind."}],"providerMetadata":{"dateUpdated":"2026-05-06T11:27:35.800Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/76096f156fe9dc9fbd6e4618088706e91b9b0a6c"},{"url":"https://git.kernel.org/stable/c/cbde3c109d52564ae2c12e514c33c44345e84b2c"},{"url":"https://git.kernel.org/stable/c/3c4ae63073d84abee5d81ce46d86a94e9dae9c89"}],"title":"mux: mmio: fix regmap leak on probe failure","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-43155","datePublished":"2026-05-06T11:27:35.800Z","dateReserved":"2026-05-01T14:12:55.989Z","dateUpdated":"2026-05-06T11:27:35.800Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-06 12:16:33","lastModifiedDate":"2026-05-06 13:07:51","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"43155","Ordinal":"1","Title":"mux: mmio: fix regmap leak on probe failure","CVE":"CVE-2026-43155","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"43155","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nmux: mmio: fix regmap leak on probe failure\n\nThe mmio regmap that may be allocated during probe is never freed.\n\nSwitch to using the device managed allocator so that the regmap is\nreleased on probe failures (e.g. probe deferral) and on driver unbind.","Type":"Description","Title":"mux: mmio: fix regmap leak on probe failure"}]}}}