{"id":"CVE-2026-90249","summary":"iio: light: gp2ap002: Fix unbalanced runtime PM on repeated event writes","details":"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.","modified":"2026-09-18T03:48:36.550499931Z","published":"2026-09-17T16:07:50.766Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90249.json","cna_assigner":"Linux"},"references":[{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"},{"type":"WEB","url":"https://git.kernel.org/stable/c/0fc740c25c9abb25113398ebb58e2f2ce57741a7"},{"type":"WEB","url":"https://git.kernel.org/stable/c/470edb012b1d9a4fba1cd59e329e60f0798c791a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/56fe8e5f313a64e458bb6f8b982de925345e21a7"},{"type":"WEB","url":"https://git.kernel.org/stable/c/579c049b4cb6fc72ce2c505fc5334540be0efcd3"},{"type":"WEB","url":"https://git.kernel.org/stable/c/685d9d1e5c47e024413981fb7eddab86132b04a1"},{"type":"WEB","url":"https://git.kernel.org/stable/c/70b9482926ca92862460e659f5e5fde99ae0b4fa"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8e76ab81319858736ccf23141e9415f9a1869337"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b2d7a97d75b648a643f60d77f4d6d70161268855"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90249.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90249"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"97d642e23037c5545266f9564c9b81e6db81b122"},{"fixed":"b2d7a97d75b648a643f60d77f4d6d70161268855"},{"fixed":"685d9d1e5c47e024413981fb7eddab86132b04a1"},{"fixed":"56fe8e5f313a64e458bb6f8b982de925345e21a7"},{"fixed":"8e76ab81319858736ccf23141e9415f9a1869337"},{"fixed":"70b9482926ca92862460e659f5e5fde99ae0b4fa"},{"fixed":"0fc740c25c9abb25113398ebb58e2f2ce57741a7"},{"fixed":"470edb012b1d9a4fba1cd59e329e60f0798c791a"},{"fixed":"579c049b4cb6fc72ce2c505fc5334540be0efcd3"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-90249.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.7.0"},{"fixed":"5.10.270"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.221"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.188"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.157"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.110"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.52"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.2.6"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-90249.json"}}],"schema_version":"1.9.0"}