{"api_version":"1","generated_at":"2026-05-28T02:06:20+00:00","cve":"CVE-2026-45926","urls":{"html":"https://cve.report/CVE-2026-45926","api":"https://cve.report/api/cve/CVE-2026-45926.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-45926","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-45926"},"summary":{"title":"rust: pwm: Fix potential memory leak on init error","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nrust: pwm: Fix potential memory leak on init error\n\nWhen initializing a PWM chip using pwmchip_alloc(), the allocated device\nowns an initial reference that must be released on all error paths.\n\nIf __pinned_init() were to fail, the allocated pwm_chip would currently\nleak because the error path returns without calling pwmchip_put().","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-27 14:17:08","updated_at":"2026-05-27 14:48:03"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/a2633dc243c35754a0c2270131d8a199c987c9bf","name":"https://git.kernel.org/stable/c/a2633dc243c35754a0c2270131d8a199c987c9bf","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/baa8b7097d9cc68ff85819cf683972a58c2ce32b","name":"https://git.kernel.org/stable/c/baa8b7097d9cc68ff85819cf683972a58c2ce32b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-45926","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45926","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7b3dce814a15bc5d9fb6124cd945291012c4ebb9 baa8b7097d9cc68ff85819cf683972a58c2ce32b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7b3dce814a15bc5d9fb6124cd945291012c4ebb9 a2633dc243c35754a0c2270131d8a199c987c9bf git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.19","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19.4 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":["rust/kernel/pwm.rs"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"baa8b7097d9cc68ff85819cf683972a58c2ce32b","status":"affected","version":"7b3dce814a15bc5d9fb6124cd945291012c4ebb9","versionType":"git"},{"lessThan":"a2633dc243c35754a0c2270131d8a199c987c9bf","status":"affected","version":"7b3dce814a15bc5d9fb6124cd945291012c4ebb9","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["rust/kernel/pwm.rs"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.19"},{"lessThan":"6.19","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.4","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":"6.19.4","versionStartIncluding":"6.19","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0","versionStartIncluding":"6.19","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nrust: pwm: Fix potential memory leak on init error\n\nWhen initializing a PWM chip using pwmchip_alloc(), the allocated device\nowns an initial reference that must be released on all error paths.\n\nIf __pinned_init() were to fail, the allocated pwm_chip would currently\nleak because the error path returns without calling pwmchip_put()."}],"providerMetadata":{"dateUpdated":"2026-05-27T12:17:45.351Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/baa8b7097d9cc68ff85819cf683972a58c2ce32b"},{"url":"https://git.kernel.org/stable/c/a2633dc243c35754a0c2270131d8a199c987c9bf"}],"title":"rust: pwm: Fix potential memory leak on init error","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-45926","datePublished":"2026-05-27T12:17:45.351Z","dateReserved":"2026-05-13T15:03:33.086Z","dateUpdated":"2026-05-27T12:17:45.351Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-27 14:17:08","lastModifiedDate":"2026-05-27 14:48:03","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"45926","Ordinal":"1","Title":"rust: pwm: Fix potential memory leak on init error","CVE":"CVE-2026-45926","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"45926","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nrust: pwm: Fix potential memory leak on init error\n\nWhen initializing a PWM chip using pwmchip_alloc(), the allocated device\nowns an initial reference that must be released on all error paths.\n\nIf __pinned_init() were to fail, the allocated pwm_chip would currently\nleak because the error path returns without calling pwmchip_put().","Type":"Description","Title":"rust: pwm: Fix potential memory leak on init error"}]}}}