{"id":"CVE-2026-89939","state":"PUBLISHED","title":"iio: chemical: atlas-sensor: fix PM reference leak in buffer postenable","description":"In the Linux kernel, the following vulnerability has been resolved:\n\niio: chemical: atlas-sensor: fix PM reference leak in buffer postenable\n\natlas_buffer_postenable() acquires a runtime PM reference with\npm_runtime_resume_and_get() but returns the result of\natlas_set_interrupt() directly. If atlas_set_interrupt() fails,\nthe runtime PM reference is leaked and the device can never\nautosuspend.\n\nAdd pm_runtime_put_autosuspend() on the error path to balance\nthe reference.","publishedAt":"2026-09-16T10:32:27.704Z","updatedAt":"2026-10-19T08:55:13.701Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0e4f336f50debeacd0f81e931e8451f2ae03f685","status":"affected","lessThan":"c7e91ae6d7802170f53ece09a4ecc6302265d3e4","versionType":"git"},{"version":"0e4f336f50debeacd0f81e931e8451f2ae03f685","status":"affected","lessThan":"a595f4d3e4ee1c91c62a298730a77b16dc26b426","versionType":"git"},{"version":"0e4f336f50debeacd0f81e931e8451f2ae03f685","status":"affected","lessThan":"72daa7eb7fc6202fece0bb56487d72af5c49ccdf","versionType":"git"},{"version":"0e4f336f50debeacd0f81e931e8451f2ae03f685","status":"affected","lessThan":"aedf8f068d9da774d5cb62e9c9d6e62b2ce64d86","versionType":"git"},{"version":"0e4f336f50debeacd0f81e931e8451f2ae03f685","status":"affected","lessThan":"43bce901047e95bbf8fb63eb471460642e497604","versionType":"git"},{"version":"0e4f336f50debeacd0f81e931e8451f2ae03f685","status":"affected","lessThan":"777e8ebfe6b3fa733694977f0f4cf849e07e925c","versionType":"git"},{"version":"0e4f336f50debeacd0f81e931e8451f2ae03f685","status":"affected","lessThan":"bcd3f72e26314edfce7eaf8d7160b3119c7b7fed","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iio/chemical/atlas-sensor.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.14","versionType":"semver"},{"version":"5.15.221","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.188","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.157","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.51","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.5","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iio/chemical/atlas-sensor.c"]}],"references":["https://git.kernel.org/stable/c/c7e91ae6d7802170f53ece09a4ecc6302265d3e4","https://git.kernel.org/stable/c/a595f4d3e4ee1c91c62a298730a77b16dc26b426","https://git.kernel.org/stable/c/72daa7eb7fc6202fece0bb56487d72af5c49ccdf","https://git.kernel.org/stable/c/aedf8f068d9da774d5cb62e9c9d6e62b2ce64d86","https://git.kernel.org/stable/c/43bce901047e95bbf8fb63eb471460642e497604","https://git.kernel.org/stable/c/777e8ebfe6b3fa733694977f0f4cf849e07e925c","https://git.kernel.org/stable/c/bcd3f72e26314edfce7eaf8d7160b3119c7b7fed"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/89xxx/CVE-2026-89939.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-89939","state":"PUBLISHED","datePublished":"2026-09-16T10:32:27.704Z","dateUpdated":"2026-10-19T08:55:13.701Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-11T19:38:34.776Z"},"containers":{"cna":{"title":"iio: chemical: atlas-sensor: fix PM reference leak in buffer postenable","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\niio: chemical: atlas-sensor: fix PM reference leak in buffer postenable\n\natlas_buffer_postenable() acquires a runtime PM reference with\npm_runtime_resume_and_get() but returns the result of\natlas_set_interrupt() directly. If atlas_set_interrupt() fails,\nthe runtime PM reference is leaked and the device can never\nautosuspend.\n\nAdd pm_runtime_put_autosuspend() on the error path to balance\nthe reference."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0e4f336f50debeacd0f81e931e8451f2ae03f685","status":"affected","lessThan":"c7e91ae6d7802170f53ece09a4ecc6302265d3e4","versionType":"git"},{"version":"0e4f336f50debeacd0f81e931e8451f2ae03f685","status":"affected","lessThan":"a595f4d3e4ee1c91c62a298730a77b16dc26b426","versionType":"git"},{"version":"0e4f336f50debeacd0f81e931e8451f2ae03f685","status":"affected","lessThan":"72daa7eb7fc6202fece0bb56487d72af5c49ccdf","versionType":"git"},{"version":"0e4f336f50debeacd0f81e931e8451f2ae03f685","status":"affected","lessThan":"aedf8f068d9da774d5cb62e9c9d6e62b2ce64d86","versionType":"git"},{"version":"0e4f336f50debeacd0f81e931e8451f2ae03f685","status":"affected","lessThan":"43bce901047e95bbf8fb63eb471460642e497604","versionType":"git"},{"version":"0e4f336f50debeacd0f81e931e8451f2ae03f685","status":"affected","lessThan":"777e8ebfe6b3fa733694977f0f4cf849e07e925c","versionType":"git"},{"version":"0e4f336f50debeacd0f81e931e8451f2ae03f685","status":"affected","lessThan":"bcd3f72e26314edfce7eaf8d7160b3119c7b7fed","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iio/chemical/atlas-sensor.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.14","versionType":"semver"},{"version":"5.15.221","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.188","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.157","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.51","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.5","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iio/chemical/atlas-sensor.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/c7e91ae6d7802170f53ece09a4ecc6302265d3e4"},{"url":"https://git.kernel.org/stable/c/a595f4d3e4ee1c91c62a298730a77b16dc26b426"},{"url":"https://git.kernel.org/stable/c/72daa7eb7fc6202fece0bb56487d72af5c49ccdf"},{"url":"https://git.kernel.org/stable/c/aedf8f068d9da774d5cb62e9c9d6e62b2ce64d86"},{"url":"https://git.kernel.org/stable/c/43bce901047e95bbf8fb63eb471460642e497604"},{"url":"https://git.kernel.org/stable/c/777e8ebfe6b3fa733694977f0f4cf849e07e925c"},{"url":"https://git.kernel.org/stable/c/bcd3f72e26314edfce7eaf8d7160b3119c7b7fed"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T08:55:13.701Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"5.15.221"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"6.1.188"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"6.6.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"6.18.51"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"7.2.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}