{"api_version":"1","generated_at":"2026-09-18T18:32:15+00:00","cve":"CVE-2026-90249","urls":{"html":"https://cve.report/CVE-2026-90249","api":"https://cve.report/api/cve/CVE-2026-90249.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-90249","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-90249"},"summary":{"title":"iio: light: gp2ap002: Fix unbalanced runtime PM on repeated event writes","description":"In the Linux kernel, the following vulnerability has been resolved:\n\niio: light: gp2ap002: Fix unbalanced runtime PM on repeated event writes\n\nThe IIO core does not filter duplicate writes to the event enable\nattribute, so writing the same value twice invokes\nwrite_event_config() twice. Enabling twice leaks a runtime PM\nreference, preventing the device from ever suspending again;\ndisabling twice underflows the usage count and triggers a\n\"Runtime PM usage count underflow\" warning.\n\nBail out early when the requested state matches the current state.\nWhile at it, switch to pm_runtime_resume_and_get() so a failed\nresume is propagated to userspace instead of silently marking the\nevent enabled.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-17 17:17:21","updated_at":"2026-09-17 17:17:21"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/b2d7a97d75b648a643f60d77f4d6d70161268855","name":"https://git.kernel.org/stable/c/b2d7a97d75b648a643f60d77f4d6d70161268855","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/56fe8e5f313a64e458bb6f8b982de925345e21a7","name":"https://git.kernel.org/stable/c/56fe8e5f313a64e458bb6f8b982de925345e21a7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/470edb012b1d9a4fba1cd59e329e60f0798c791a","name":"https://git.kernel.org/stable/c/470edb012b1d9a4fba1cd59e329e60f0798c791a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/579c049b4cb6fc72ce2c505fc5334540be0efcd3","name":"https://git.kernel.org/stable/c/579c049b4cb6fc72ce2c505fc5334540be0efcd3","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/8e76ab81319858736ccf23141e9415f9a1869337","name":"https://git.kernel.org/stable/c/8e76ab81319858736ccf23141e9415f9a1869337","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/70b9482926ca92862460e659f5e5fde99ae0b4fa","name":"https://git.kernel.org/stable/c/70b9482926ca92862460e659f5e5fde99ae0b4fa","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/0fc740c25c9abb25113398ebb58e2f2ce57741a7","name":"https://git.kernel.org/stable/c/0fc740c25c9abb25113398ebb58e2f2ce57741a7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/685d9d1e5c47e024413981fb7eddab86132b04a1","name":"https://git.kernel.org/stable/c/685d9d1e5c47e024413981fb7eddab86132b04a1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-90249","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90249","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 97d642e23037c5545266f9564c9b81e6db81b122 b2d7a97d75b648a643f60d77f4d6d70161268855 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 97d642e23037c5545266f9564c9b81e6db81b122 685d9d1e5c47e024413981fb7eddab86132b04a1 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 97d642e23037c5545266f9564c9b81e6db81b122 56fe8e5f313a64e458bb6f8b982de925345e21a7 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 97d642e23037c5545266f9564c9b81e6db81b122 8e76ab81319858736ccf23141e9415f9a1869337 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.221 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.188 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.157 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.110 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.52 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.6 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc1 * 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/iio/light/gp2ap002.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"b2d7a97d75b648a643f60d77f4d6d70161268855","status":"affected","version":"97d642e23037c5545266f9564c9b81e6db81b122","versionType":"git"},{"lessThan":"685d9d1e5c47e024413981fb7eddab86132b04a1","status":"affected","version":"97d642e23037c5545266f9564c9b81e6db81b122","versionType":"git"},{"lessThan":"56fe8e5f313a64e458bb6f8b982de925345e21a7","status":"affected","version":"97d642e23037c5545266f9564c9b81e6db81b122","versionType":"git"},{"lessThan":"8e76ab81319858736ccf23141e9415f9a1869337","status":"affected","version":"97d642e23037c5545266f9564c9b81e6db81b122","versionType":"git"},{"lessThan":"70b9482926ca92862460e659f5e5fde99ae0b4fa","status":"affected","version":"97d642e23037c5545266f9564c9b81e6db81b122","versionType":"git"},{"lessThan":"0fc740c25c9abb25113398ebb58e2f2ce57741a7","status":"affected","version":"97d642e23037c5545266f9564c9b81e6db81b122","versionType":"git"},{"lessThan":"470edb012b1d9a4fba1cd59e329e60f0798c791a","status":"affected","version":"97d642e23037c5545266f9564c9b81e6db81b122","versionType":"git"},{"lessThan":"579c049b4cb6fc72ce2c505fc5334540be0efcd3","status":"affected","version":"97d642e23037c5545266f9564c9b81e6db81b122","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/iio/light/gp2ap002.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.7"},{"lessThan":"5.7","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.270","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.221","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.188","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.157","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.110","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.52","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.6","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.270","versionStartIncluding":"5.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.221","versionStartIncluding":"5.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.188","versionStartIncluding":"5.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.157","versionStartIncluding":"5.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.110","versionStartIncluding":"5.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.52","versionStartIncluding":"5.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.6","versionStartIncluding":"5.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"5.7","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\niio: light: gp2ap002: Fix unbalanced runtime PM on repeated event writes\n\nThe IIO core does not filter duplicate writes to the event enable\nattribute, so writing the same value twice invokes\nwrite_event_config() twice. Enabling twice leaks a runtime PM\nreference, preventing the device from ever suspending again;\ndisabling twice underflows the usage count and triggers a\n\"Runtime PM usage count underflow\" warning.\n\nBail out early when the requested state matches the current state.\nWhile at it, switch to pm_runtime_resume_and_get() so a failed\nresume is propagated to userspace instead of silently marking the\nevent enabled."}],"providerMetadata":{"dateUpdated":"2026-09-17T16:07:50.766Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/b2d7a97d75b648a643f60d77f4d6d70161268855"},{"url":"https://git.kernel.org/stable/c/685d9d1e5c47e024413981fb7eddab86132b04a1"},{"url":"https://git.kernel.org/stable/c/56fe8e5f313a64e458bb6f8b982de925345e21a7"},{"url":"https://git.kernel.org/stable/c/8e76ab81319858736ccf23141e9415f9a1869337"},{"url":"https://git.kernel.org/stable/c/70b9482926ca92862460e659f5e5fde99ae0b4fa"},{"url":"https://git.kernel.org/stable/c/0fc740c25c9abb25113398ebb58e2f2ce57741a7"},{"url":"https://git.kernel.org/stable/c/470edb012b1d9a4fba1cd59e329e60f0798c791a"},{"url":"https://git.kernel.org/stable/c/579c049b4cb6fc72ce2c505fc5334540be0efcd3"}],"title":"iio: light: gp2ap002: Fix unbalanced runtime PM on repeated event writes","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-90249","datePublished":"2026-09-17T16:07:50.766Z","dateReserved":"2026-09-11T19:38:34.795Z","dateUpdated":"2026-09-17T16:07:50.766Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-17 17:17:21","lastModifiedDate":"2026-09-17 17:17:21","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"90249","Ordinal":"1","Title":"iio: light: gp2ap002: Fix unbalanced runtime PM on repeated even","CVE":"CVE-2026-90249","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"90249","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\niio: light: gp2ap002: Fix unbalanced runtime PM on repeated event writes\n\nThe IIO core does not filter duplicate writes to the event enable\nattribute, so writing the same value twice invokes\nwrite_event_config() twice. Enabling twice leaks a runtime PM\nreference, preventing the device from ever suspending again;\ndisabling twice underflows the usage count and triggers a\n\"Runtime PM usage count underflow\" warning.\n\nBail out early when the requested state matches the current state.\nWhile at it, switch to pm_runtime_resume_and_get() so a failed\nresume is propagated to userspace instead of silently marking the\nevent enabled.","Type":"Description","Title":"iio: light: gp2ap002: Fix unbalanced runtime PM on repeated even"}]}}}