{"id":"CVE-2022-50561","state":"PUBLISHED","title":"iio: fix memory leak in iio_device_register_eventset()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\niio: fix memory leak in iio_device_register_eventset()\n\nWhen iio_device_register_sysfs_group() returns failed,\niio_device_register_eventset() needs to free attrs array.\n\nOtherwise, kmemleak would scan & report memory leak as below:\n\nunreferenced object 0xffff88810a1cc3c0 (size 32):\n  comm \"100-i2c-vcnl302\", pid 728, jiffies 4295052307 (age 156.027s)\n  backtrace:\n    __kmalloc+0x46/0x1b0\n    iio_device_register_eventset at drivers/iio/industrialio-event.c:541\n    __iio_device_register at drivers/iio/industrialio-core.c:1959\n    __devm_iio_device_register at drivers/iio/industrialio-core.c:2040","publishedAt":"2025-10-22T13:23:20.802Z","updatedAt":"2026-05-11T19:21:48.314Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"32f171724e5cbecc80594fb6eced057cfdd6eb6f","status":"affected","lessThan":"dc6afd6070f3a5b086c8c5cfa6ded63ae44494da","versionType":"git"},{"version":"32f171724e5cbecc80594fb6eced057cfdd6eb6f","status":"affected","lessThan":"5de3add7509c95685f1185683b817dd206c4b1f1","versionType":"git"},{"version":"32f171724e5cbecc80594fb6eced057cfdd6eb6f","status":"affected","lessThan":"a154b1c139fbf6a49762159be81d425d41ceec87","versionType":"git"},{"version":"32f171724e5cbecc80594fb6eced057cfdd6eb6f","status":"affected","lessThan":"86fdd15e10e404e70ecb2a3bff24d70356d42b36","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iio/industrialio-event.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.13","versionType":"semver"},{"version":"5.15.86","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.16","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1.2","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iio/industrialio-event.c"]}],"references":["https://git.kernel.org/stable/c/dc6afd6070f3a5b086c8c5cfa6ded63ae44494da","https://git.kernel.org/stable/c/5de3add7509c95685f1185683b817dd206c4b1f1","https://git.kernel.org/stable/c/a154b1c139fbf6a49762159be81d425d41ceec87","https://git.kernel.org/stable/c/86fdd15e10e404e70ecb2a3bff24d70356d42b36"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50561.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50561","state":"PUBLISHED","datePublished":"2025-10-22T13:23:20.802Z","dateUpdated":"2026-05-11T19:21:48.314Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-10-22T13:20:23.759Z"},"containers":{"cna":{"title":"iio: fix memory leak in iio_device_register_eventset()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\niio: fix memory leak in iio_device_register_eventset()\n\nWhen iio_device_register_sysfs_group() returns failed,\niio_device_register_eventset() needs to free attrs array.\n\nOtherwise, kmemleak would scan & report memory leak as below:\n\nunreferenced object 0xffff88810a1cc3c0 (size 32):\n  comm \"100-i2c-vcnl302\", pid 728, jiffies 4295052307 (age 156.027s)\n  backtrace:\n    __kmalloc+0x46/0x1b0\n    iio_device_register_eventset at drivers/iio/industrialio-event.c:541\n    __iio_device_register at drivers/iio/industrialio-core.c:1959\n    __devm_iio_device_register at drivers/iio/industrialio-core.c:2040"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"32f171724e5cbecc80594fb6eced057cfdd6eb6f","status":"affected","lessThan":"dc6afd6070f3a5b086c8c5cfa6ded63ae44494da","versionType":"git"},{"version":"32f171724e5cbecc80594fb6eced057cfdd6eb6f","status":"affected","lessThan":"5de3add7509c95685f1185683b817dd206c4b1f1","versionType":"git"},{"version":"32f171724e5cbecc80594fb6eced057cfdd6eb6f","status":"affected","lessThan":"a154b1c139fbf6a49762159be81d425d41ceec87","versionType":"git"},{"version":"32f171724e5cbecc80594fb6eced057cfdd6eb6f","status":"affected","lessThan":"86fdd15e10e404e70ecb2a3bff24d70356d42b36","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iio/industrialio-event.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.13","versionType":"semver"},{"version":"5.15.86","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.16","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1.2","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iio/industrialio-event.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/dc6afd6070f3a5b086c8c5cfa6ded63ae44494da"},{"url":"https://git.kernel.org/stable/c/5de3add7509c95685f1185683b817dd206c4b1f1"},{"url":"https://git.kernel.org/stable/c/a154b1c139fbf6a49762159be81d425d41ceec87"},{"url":"https://git.kernel.org/stable/c/86fdd15e10e404e70ecb2a3bff24d70356d42b36"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:21:48.314Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"5.15.86"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.0.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.1.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}