{"id":"CVE-2022-50474","state":"PUBLISHED","title":"macintosh: fix possible memory leak in macio_add_one_device()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmacintosh: fix possible memory leak in macio_add_one_device()\n\nAfer commit 1fa5ae857bb1 (\"driver core: get rid of struct device's\nbus_id string array\"), the name of device is allocated dynamically. It\nneeds to be freed when of_device_register() fails. Call put_device() to\ngive up the reference that's taken in device_initialize(), so that it\ncan be freed in kobject_cleanup() when the refcount hits 0.\n\nmacio device is freed in macio_release_dev(), so the kfree() can be\nremoved.","publishedAt":"2025-10-04T15:16:35.537Z","updatedAt":"2026-05-11T19:20:11.509Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1fa5ae857bb14f6046205171d98506d8112dd74e","status":"affected","lessThan":"3a866ff6fc2232c8e393cdb55ffb8ce947349e03","versionType":"git"},{"version":"1fa5ae857bb14f6046205171d98506d8112dd74e","status":"affected","lessThan":"aa9054267366ff0a382d403d17728e21951ddbb9","versionType":"git"},{"version":"1fa5ae857bb14f6046205171d98506d8112dd74e","status":"affected","lessThan":"35858b87a943917fa30172aa4bf01ce7adbcb42c","versionType":"git"},{"version":"1fa5ae857bb14f6046205171d98506d8112dd74e","status":"affected","lessThan":"b29a2f1dd33ae9b94821ab2f4d398b9081786748","versionType":"git"},{"version":"1fa5ae857bb14f6046205171d98506d8112dd74e","status":"affected","lessThan":"2ac0a7059b7bcbed35bfffa34a82c9a9e99638ef","versionType":"git"},{"version":"1fa5ae857bb14f6046205171d98506d8112dd74e","status":"affected","lessThan":"19ded60b40e86b0903c8d5bd0161437ed5107a8b","versionType":"git"},{"version":"1fa5ae857bb14f6046205171d98506d8112dd74e","status":"affected","lessThan":"ca765257feb89dacf604ced9cd233db5f865dee0","versionType":"git"},{"version":"1fa5ae857bb14f6046205171d98506d8112dd74e","status":"affected","lessThan":"76837e7f6b30da72ad59f56291e22804a219e015","versionType":"git"},{"version":"1fa5ae857bb14f6046205171d98506d8112dd74e","status":"affected","lessThan":"5ca86eae55a2f006e6c1edd2029b2cacb6979515","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/macintosh/macio_asic.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.30","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.30","versionType":"semver"},{"version":"4.9.337","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.303","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.270","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.229","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.163","status":"unaffected","lessThanOrEqual":"5.10.*","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/macintosh/macio_asic.c"]}],"references":["https://git.kernel.org/stable/c/3a866ff6fc2232c8e393cdb55ffb8ce947349e03","https://git.kernel.org/stable/c/aa9054267366ff0a382d403d17728e21951ddbb9","https://git.kernel.org/stable/c/35858b87a943917fa30172aa4bf01ce7adbcb42c","https://git.kernel.org/stable/c/b29a2f1dd33ae9b94821ab2f4d398b9081786748","https://git.kernel.org/stable/c/2ac0a7059b7bcbed35bfffa34a82c9a9e99638ef","https://git.kernel.org/stable/c/19ded60b40e86b0903c8d5bd0161437ed5107a8b","https://git.kernel.org/stable/c/ca765257feb89dacf604ced9cd233db5f865dee0","https://git.kernel.org/stable/c/76837e7f6b30da72ad59f56291e22804a219e015","https://git.kernel.org/stable/c/5ca86eae55a2f006e6c1edd2029b2cacb6979515"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50474.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50474","state":"PUBLISHED","datePublished":"2025-10-04T15:16:35.537Z","dateUpdated":"2026-05-11T19:20:11.509Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-10-04T15:13:33.467Z"},"containers":{"cna":{"title":"macintosh: fix possible memory leak in macio_add_one_device()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmacintosh: fix possible memory leak in macio_add_one_device()\n\nAfer commit 1fa5ae857bb1 (\"driver core: get rid of struct device's\nbus_id string array\"), the name of device is allocated dynamically. It\nneeds to be freed when of_device_register() fails. Call put_device() to\ngive up the reference that's taken in device_initialize(), so that it\ncan be freed in kobject_cleanup() when the refcount hits 0.\n\nmacio device is freed in macio_release_dev(), so the kfree() can be\nremoved."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1fa5ae857bb14f6046205171d98506d8112dd74e","status":"affected","lessThan":"3a866ff6fc2232c8e393cdb55ffb8ce947349e03","versionType":"git"},{"version":"1fa5ae857bb14f6046205171d98506d8112dd74e","status":"affected","lessThan":"aa9054267366ff0a382d403d17728e21951ddbb9","versionType":"git"},{"version":"1fa5ae857bb14f6046205171d98506d8112dd74e","status":"affected","lessThan":"35858b87a943917fa30172aa4bf01ce7adbcb42c","versionType":"git"},{"version":"1fa5ae857bb14f6046205171d98506d8112dd74e","status":"affected","lessThan":"b29a2f1dd33ae9b94821ab2f4d398b9081786748","versionType":"git"},{"version":"1fa5ae857bb14f6046205171d98506d8112dd74e","status":"affected","lessThan":"2ac0a7059b7bcbed35bfffa34a82c9a9e99638ef","versionType":"git"},{"version":"1fa5ae857bb14f6046205171d98506d8112dd74e","status":"affected","lessThan":"19ded60b40e86b0903c8d5bd0161437ed5107a8b","versionType":"git"},{"version":"1fa5ae857bb14f6046205171d98506d8112dd74e","status":"affected","lessThan":"ca765257feb89dacf604ced9cd233db5f865dee0","versionType":"git"},{"version":"1fa5ae857bb14f6046205171d98506d8112dd74e","status":"affected","lessThan":"76837e7f6b30da72ad59f56291e22804a219e015","versionType":"git"},{"version":"1fa5ae857bb14f6046205171d98506d8112dd74e","status":"affected","lessThan":"5ca86eae55a2f006e6c1edd2029b2cacb6979515","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/macintosh/macio_asic.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.30","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.30","versionType":"semver"},{"version":"4.9.337","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.303","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.270","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.229","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.163","status":"unaffected","lessThanOrEqual":"5.10.*","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/macintosh/macio_asic.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/3a866ff6fc2232c8e393cdb55ffb8ce947349e03"},{"url":"https://git.kernel.org/stable/c/aa9054267366ff0a382d403d17728e21951ddbb9"},{"url":"https://git.kernel.org/stable/c/35858b87a943917fa30172aa4bf01ce7adbcb42c"},{"url":"https://git.kernel.org/stable/c/b29a2f1dd33ae9b94821ab2f4d398b9081786748"},{"url":"https://git.kernel.org/stable/c/2ac0a7059b7bcbed35bfffa34a82c9a9e99638ef"},{"url":"https://git.kernel.org/stable/c/19ded60b40e86b0903c8d5bd0161437ed5107a8b"},{"url":"https://git.kernel.org/stable/c/ca765257feb89dacf604ced9cd233db5f865dee0"},{"url":"https://git.kernel.org/stable/c/76837e7f6b30da72ad59f56291e22804a219e015"},{"url":"https://git.kernel.org/stable/c/5ca86eae55a2f006e6c1edd2029b2cacb6979515"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:20:11.509Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.30","versionEndExcluding":"4.9.337"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.30","versionEndExcluding":"4.14.303"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.30","versionEndExcluding":"4.19.270"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.30","versionEndExcluding":"5.4.229"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.30","versionEndExcluding":"5.10.163"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.30","versionEndExcluding":"5.15.86"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.30","versionEndExcluding":"6.0.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.30","versionEndExcluding":"6.1.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.30","versionEndExcluding":"6.2"}]}]}],"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