{"api_version":"1","generated_at":"2026-05-12T22:03:13+00:00","cve":"CVE-2026-43372","urls":{"html":"https://cve.report/CVE-2026-43372","api":"https://cve.report/api/cve/CVE-2026-43372.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-43372","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-43372"},"summary":{"title":"net: dsa: microchip: Fix error path in PTP IRQ setup","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: dsa: microchip: Fix error path in PTP IRQ setup\n\nIf request_threaded_irq() fails during the PTP message IRQ setup, the\nnewly created IRQ mapping is never disposed. Indeed, the\nksz_ptp_irq_setup()'s error path only frees the mappings that were\nsuccessfully set up.\n\nDispose the newly created mapping if the associated\nrequest_threaded_irq() fails at setup.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-08 15:16:48","updated_at":"2026-05-12 14:10:27"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/c2d1d41e0e8ec447d40a5752844fc5fb0b23db27","name":"https://git.kernel.org/stable/c/c2d1d41e0e8ec447d40a5752844fc5fb0b23db27","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3704ac6a0d9a78f66a187515a8ca3faedaf01cc5","name":"https://git.kernel.org/stable/c/3704ac6a0d9a78f66a187515a8ca3faedaf01cc5","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6c58a9fdb0d0e1011aa02455d26d6ebea251979b","name":"https://git.kernel.org/stable/c/6c58a9fdb0d0e1011aa02455d26d6ebea251979b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e80fef36c676c947072dabeb5803ae59d92ba493","name":"https://git.kernel.org/stable/c/e80fef36c676c947072dabeb5803ae59d92ba493","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/99c8c16a4aad0b37293cae213e15957c573cf79b","name":"https://git.kernel.org/stable/c/99c8c16a4aad0b37293cae213e15957c573cf79b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-43372","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43372","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3b5a6115d6ea45df1ea65dc9b832b23db5d593ba 3704ac6a0d9a78f66a187515a8ca3faedaf01cc5 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1ba6da6ca3db76f6a39004fd33a9c990e428515e e80fef36c676c947072dabeb5803ae59d92ba493 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected d0b8fec8ae50525b57139393d0bb1f446e82ff7e 6c58a9fdb0d0e1011aa02455d26d6ebea251979b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected d0b8fec8ae50525b57139393d0bb1f446e82ff7e c2d1d41e0e8ec447d40a5752844fc5fb0b23db27 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected d0b8fec8ae50525b57139393d0bb1f446e82ff7e 99c8c16a4aad0b37293cae213e15957c573cf79b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected ae12e4e0ca231475bcef841c6a6722fa185fd520 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 6.6.130 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.78 6.12.* 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":"43372","cve":"CVE-2026-43372","epss":"0.000180000","percentile":"0.049210000","score_date":"2026-05-11","updated_at":"2026-05-12 00:01:18"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/dsa/microchip/ksz_ptp.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"3704ac6a0d9a78f66a187515a8ca3faedaf01cc5","status":"affected","version":"3b5a6115d6ea45df1ea65dc9b832b23db5d593ba","versionType":"git"},{"lessThan":"e80fef36c676c947072dabeb5803ae59d92ba493","status":"affected","version":"1ba6da6ca3db76f6a39004fd33a9c990e428515e","versionType":"git"},{"lessThan":"6c58a9fdb0d0e1011aa02455d26d6ebea251979b","status":"affected","version":"d0b8fec8ae50525b57139393d0bb1f446e82ff7e","versionType":"git"},{"lessThan":"c2d1d41e0e8ec447d40a5752844fc5fb0b23db27","status":"affected","version":"d0b8fec8ae50525b57139393d0bb1f446e82ff7e","versionType":"git"},{"lessThan":"99c8c16a4aad0b37293cae213e15957c573cf79b","status":"affected","version":"d0b8fec8ae50525b57139393d0bb1f446e82ff7e","versionType":"git"},{"status":"affected","version":"ae12e4e0ca231475bcef841c6a6722fa185fd520","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/dsa/microchip/ksz_ptp.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":"6.6.*","status":"unaffected","version":"6.6.130","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.78","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":"6.6.130","versionStartIncluding":"6.6.119","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.78","versionStartIncluding":"6.12.61","vulnerable":true},{"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},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17.11","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: dsa: microchip: Fix error path in PTP IRQ setup\n\nIf request_threaded_irq() fails during the PTP message IRQ setup, the\nnewly created IRQ mapping is never disposed. Indeed, the\nksz_ptp_irq_setup()'s error path only frees the mappings that were\nsuccessfully set up.\n\nDispose the newly created mapping if the associated\nrequest_threaded_irq() fails at setup."}],"providerMetadata":{"dateUpdated":"2026-05-11T22:23:18.896Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/3704ac6a0d9a78f66a187515a8ca3faedaf01cc5"},{"url":"https://git.kernel.org/stable/c/e80fef36c676c947072dabeb5803ae59d92ba493"},{"url":"https://git.kernel.org/stable/c/6c58a9fdb0d0e1011aa02455d26d6ebea251979b"},{"url":"https://git.kernel.org/stable/c/c2d1d41e0e8ec447d40a5752844fc5fb0b23db27"},{"url":"https://git.kernel.org/stable/c/99c8c16a4aad0b37293cae213e15957c573cf79b"}],"title":"net: dsa: microchip: Fix error path in PTP IRQ setup","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-43372","datePublished":"2026-05-08T14:21:23.221Z","dateReserved":"2026-05-01T14:12:56.006Z","dateUpdated":"2026-05-11T22:23:18.896Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-08 15:16:48","lastModifiedDate":"2026-05-12 14:10:27","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"43372","Ordinal":"1","Title":"net: dsa: microchip: Fix error path in PTP IRQ setup","CVE":"CVE-2026-43372","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"43372","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: dsa: microchip: Fix error path in PTP IRQ setup\n\nIf request_threaded_irq() fails during the PTP message IRQ setup, the\nnewly created IRQ mapping is never disposed. Indeed, the\nksz_ptp_irq_setup()'s error path only frees the mappings that were\nsuccessfully set up.\n\nDispose the newly created mapping if the associated\nrequest_threaded_irq() fails at setup.","Type":"Description","Title":"net: dsa: microchip: Fix error path in PTP IRQ setup"}]}}}