{"id":"CVE-2022-50161","state":"PUBLISHED","title":"mtd: maps: Fix refcount leak in of_flash_probe_versatile","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: maps: Fix refcount leak in of_flash_probe_versatile\n\nof_find_matching_node_and_match() returns a node pointer with refcount\nincremented, we should use of_node_put() on it when not need anymore.\nAdd missing of_node_put() to avoid refcount leak.","publishedAt":"2025-06-18T11:03:17.091Z","updatedAt":"2026-05-11T19:13:59.245Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b0afd44bc192ff4c0e90a5fc1724350bcfc32b33","status":"affected","lessThan":"3c8de6a838b7e0eb392754ac89dd66e698684342","versionType":"git"},{"version":"b0afd44bc192ff4c0e90a5fc1724350bcfc32b33","status":"affected","lessThan":"79e57889aa0d92a6d769bad808fb105e7b6ea495","versionType":"git"},{"version":"b0afd44bc192ff4c0e90a5fc1724350bcfc32b33","status":"affected","lessThan":"9124d51e01232a91da4034768a2a8d1688472179","versionType":"git"},{"version":"b0afd44bc192ff4c0e90a5fc1724350bcfc32b33","status":"affected","lessThan":"52ae2b14f76ef2d490337ddc0037bc37125be7b8","versionType":"git"},{"version":"b0afd44bc192ff4c0e90a5fc1724350bcfc32b33","status":"affected","lessThan":"4d67c8f74d804b20febf716ec96e9a475457ec60","versionType":"git"},{"version":"b0afd44bc192ff4c0e90a5fc1724350bcfc32b33","status":"affected","lessThan":"5d5ddd8771fa9cabeb247fba5f6ab60d63f3fbce","versionType":"git"},{"version":"b0afd44bc192ff4c0e90a5fc1724350bcfc32b33","status":"affected","lessThan":"f516fbb63873ee23cba5b7c3d239677c30f13df8","versionType":"git"},{"version":"b0afd44bc192ff4c0e90a5fc1724350bcfc32b33","status":"affected","lessThan":"33ec82a6d2b119938f26e5c8040ed5d92378eb54","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mtd/maps/physmap-versatile.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.7","versionType":"semver"},{"version":"4.14.291","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.256","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.211","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.137","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.61","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.18.18","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19.2","status":"unaffected","lessThanOrEqual":"5.19.*","versionType":"semver"},{"version":"6.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mtd/maps/physmap-versatile.c"]}],"references":["https://git.kernel.org/stable/c/3c8de6a838b7e0eb392754ac89dd66e698684342","https://git.kernel.org/stable/c/79e57889aa0d92a6d769bad808fb105e7b6ea495","https://git.kernel.org/stable/c/9124d51e01232a91da4034768a2a8d1688472179","https://git.kernel.org/stable/c/52ae2b14f76ef2d490337ddc0037bc37125be7b8","https://git.kernel.org/stable/c/4d67c8f74d804b20febf716ec96e9a475457ec60","https://git.kernel.org/stable/c/5d5ddd8771fa9cabeb247fba5f6ab60d63f3fbce","https://git.kernel.org/stable/c/f516fbb63873ee23cba5b7c3d239677c30f13df8","https://git.kernel.org/stable/c/33ec82a6d2b119938f26e5c8040ed5d92378eb54"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50161.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50161","state":"PUBLISHED","datePublished":"2025-06-18T11:03:17.091Z","dateUpdated":"2026-05-11T19:13:59.245Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-06-18T10:57:27.425Z"},"containers":{"cna":{"title":"mtd: maps: Fix refcount leak in of_flash_probe_versatile","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: maps: Fix refcount leak in of_flash_probe_versatile\n\nof_find_matching_node_and_match() returns a node pointer with refcount\nincremented, we should use of_node_put() on it when not need anymore.\nAdd missing of_node_put() to avoid refcount leak."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b0afd44bc192ff4c0e90a5fc1724350bcfc32b33","status":"affected","lessThan":"3c8de6a838b7e0eb392754ac89dd66e698684342","versionType":"git"},{"version":"b0afd44bc192ff4c0e90a5fc1724350bcfc32b33","status":"affected","lessThan":"79e57889aa0d92a6d769bad808fb105e7b6ea495","versionType":"git"},{"version":"b0afd44bc192ff4c0e90a5fc1724350bcfc32b33","status":"affected","lessThan":"9124d51e01232a91da4034768a2a8d1688472179","versionType":"git"},{"version":"b0afd44bc192ff4c0e90a5fc1724350bcfc32b33","status":"affected","lessThan":"52ae2b14f76ef2d490337ddc0037bc37125be7b8","versionType":"git"},{"version":"b0afd44bc192ff4c0e90a5fc1724350bcfc32b33","status":"affected","lessThan":"4d67c8f74d804b20febf716ec96e9a475457ec60","versionType":"git"},{"version":"b0afd44bc192ff4c0e90a5fc1724350bcfc32b33","status":"affected","lessThan":"5d5ddd8771fa9cabeb247fba5f6ab60d63f3fbce","versionType":"git"},{"version":"b0afd44bc192ff4c0e90a5fc1724350bcfc32b33","status":"affected","lessThan":"f516fbb63873ee23cba5b7c3d239677c30f13df8","versionType":"git"},{"version":"b0afd44bc192ff4c0e90a5fc1724350bcfc32b33","status":"affected","lessThan":"33ec82a6d2b119938f26e5c8040ed5d92378eb54","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mtd/maps/physmap-versatile.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.7","versionType":"semver"},{"version":"4.14.291","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.256","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.211","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.137","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.61","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.18.18","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19.2","status":"unaffected","lessThanOrEqual":"5.19.*","versionType":"semver"},{"version":"6.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mtd/maps/physmap-versatile.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/3c8de6a838b7e0eb392754ac89dd66e698684342"},{"url":"https://git.kernel.org/stable/c/79e57889aa0d92a6d769bad808fb105e7b6ea495"},{"url":"https://git.kernel.org/stable/c/9124d51e01232a91da4034768a2a8d1688472179"},{"url":"https://git.kernel.org/stable/c/52ae2b14f76ef2d490337ddc0037bc37125be7b8"},{"url":"https://git.kernel.org/stable/c/4d67c8f74d804b20febf716ec96e9a475457ec60"},{"url":"https://git.kernel.org/stable/c/5d5ddd8771fa9cabeb247fba5f6ab60d63f3fbce"},{"url":"https://git.kernel.org/stable/c/f516fbb63873ee23cba5b7c3d239677c30f13df8"},{"url":"https://git.kernel.org/stable/c/33ec82a6d2b119938f26e5c8040ed5d92378eb54"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:13:59.245Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"4.14.291"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"4.19.256"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"5.4.211"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"5.10.137"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"5.15.61"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"5.18.18"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"5.19.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"6.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}