{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50019","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-06-18T10:57:27.393Z","datePublished":"2025-06-18T11:01:23.332Z","dateUpdated":"2026-05-11T19:11:12.898Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:11:12.898Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ntty: serial: Fix refcount leak bug in ucc_uart.c\n\nIn soc_info(), of_find_node_by_type() will return a node pointer\nwith refcount incremented. We should use of_node_put() when it is\nnot used anymore."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/tty/serial/ucc_uart.c"],"versions":[{"version":"d7584ed2b994a572326650b0c4d2c25961e6f49d","lessThan":"8245e7d1d7f75a9255ad1e8146752e5051d528b8","status":"affected","versionType":"git"},{"version":"d7584ed2b994a572326650b0c4d2c25961e6f49d","lessThan":"ec56f886f3bf0f15f7a3844d4c025e165b8e8de7","status":"affected","versionType":"git"},{"version":"d7584ed2b994a572326650b0c4d2c25961e6f49d","lessThan":"59bc4c19d53bdac61ec952c01c6e864f5f0f8367","status":"affected","versionType":"git"},{"version":"d7584ed2b994a572326650b0c4d2c25961e6f49d","lessThan":"ca3fc1c38e4253bc019881301a28ea60b8b0bca3","status":"affected","versionType":"git"},{"version":"d7584ed2b994a572326650b0c4d2c25961e6f49d","lessThan":"81939c4fbc2d5c754d0f1c1f05149d4b70d751ed","status":"affected","versionType":"git"},{"version":"d7584ed2b994a572326650b0c4d2c25961e6f49d","lessThan":"17c32546166d8a7d2579c4b57c8b16241f94a66b","status":"affected","versionType":"git"},{"version":"d7584ed2b994a572326650b0c4d2c25961e6f49d","lessThan":"f6ed634eedb1a8a6a8cb110a7695c7abb70ffcbf","status":"affected","versionType":"git"},{"version":"d7584ed2b994a572326650b0c4d2c25961e6f49d","lessThan":"d24d7bb2cd947676f9b71fb944d045e09b8b282f","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/tty/serial/ucc_uart.c"],"versions":[{"version":"2.6.25","status":"affected"},{"version":"0","lessThan":"2.6.25","status":"unaffected","versionType":"semver"},{"version":"4.9.326","lessThanOrEqual":"4.9.*","status":"unaffected","versionType":"semver"},{"version":"4.14.291","lessThanOrEqual":"4.14.*","status":"unaffected","versionType":"semver"},{"version":"4.19.256","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.211","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.138","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.63","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"5.19.4","lessThanOrEqual":"5.19.*","status":"unaffected","versionType":"semver"},{"version":"6.0","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.25","versionEndExcluding":"4.9.326"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.25","versionEndExcluding":"4.14.291"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.25","versionEndExcluding":"4.19.256"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.25","versionEndExcluding":"5.4.211"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.25","versionEndExcluding":"5.10.138"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.25","versionEndExcluding":"5.15.63"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.25","versionEndExcluding":"5.19.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.25","versionEndExcluding":"6.0"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/8245e7d1d7f75a9255ad1e8146752e5051d528b8"},{"url":"https://git.kernel.org/stable/c/ec56f886f3bf0f15f7a3844d4c025e165b8e8de7"},{"url":"https://git.kernel.org/stable/c/59bc4c19d53bdac61ec952c01c6e864f5f0f8367"},{"url":"https://git.kernel.org/stable/c/ca3fc1c38e4253bc019881301a28ea60b8b0bca3"},{"url":"https://git.kernel.org/stable/c/81939c4fbc2d5c754d0f1c1f05149d4b70d751ed"},{"url":"https://git.kernel.org/stable/c/17c32546166d8a7d2579c4b57c8b16241f94a66b"},{"url":"https://git.kernel.org/stable/c/f6ed634eedb1a8a6a8cb110a7695c7abb70ffcbf"},{"url":"https://git.kernel.org/stable/c/d24d7bb2cd947676f9b71fb944d045e09b8b282f"}],"title":"tty: serial: Fix refcount leak bug in ucc_uart.c","x_generator":{"engine":"bippy-1.2.0"}}}}