{"id":"CVE-2022-50311","state":"PUBLISHED","title":"cxl: Fix refcount leak in cxl_calc_capp_routing","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncxl: Fix refcount leak in cxl_calc_capp_routing\n\nof_get_next_parent() returns a node pointer with refcount incremented,\nwe should use of_node_put() on it when not need anymore.\nThis function only calls of_node_put() in normal path,\nmissing it in the error path.\nAdd missing of_node_put() to avoid refcount leak.","publishedAt":"2025-09-15T14:46:06.504Z","updatedAt":"2026-05-11T19:16:51.472Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"f24be42aab37c6d07c05126673138e06223a6399","status":"affected","lessThan":"c9bebc503881c1391f6c4f820134884adecf1519","versionType":"git"},{"version":"f24be42aab37c6d07c05126673138e06223a6399","status":"affected","lessThan":"ee870f72465015327ad96204b0e92450d04870cd","versionType":"git"},{"version":"f24be42aab37c6d07c05126673138e06223a6399","status":"affected","lessThan":"f2d60f6ba173cded65081cee690b67802395a479","versionType":"git"},{"version":"f24be42aab37c6d07c05126673138e06223a6399","status":"affected","lessThan":"81c8bbf5b2b5f0c8030fff1716c00849cda8571a","versionType":"git"},{"version":"f24be42aab37c6d07c05126673138e06223a6399","status":"affected","lessThan":"6a310e8db5409676b4b3e6c1f54dff174e4fd04d","versionType":"git"},{"version":"f24be42aab37c6d07c05126673138e06223a6399","status":"affected","lessThan":"651e8bc9d0418c20a1989b7c078c64c2a6346fa3","versionType":"git"},{"version":"f24be42aab37c6d07c05126673138e06223a6399","status":"affected","lessThan":"2d7b6580384e6d65419933ddc525bd176095da54","versionType":"git"},{"version":"f24be42aab37c6d07c05126673138e06223a6399","status":"affected","lessThan":"1d09697ff22908ae487fc8c4fbde1811732be523","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/misc/cxl/pci.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.12","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/misc/cxl/pci.c"]}],"references":["https://git.kernel.org/stable/c/c9bebc503881c1391f6c4f820134884adecf1519","https://git.kernel.org/stable/c/ee870f72465015327ad96204b0e92450d04870cd","https://git.kernel.org/stable/c/f2d60f6ba173cded65081cee690b67802395a479","https://git.kernel.org/stable/c/81c8bbf5b2b5f0c8030fff1716c00849cda8571a","https://git.kernel.org/stable/c/6a310e8db5409676b4b3e6c1f54dff174e4fd04d","https://git.kernel.org/stable/c/651e8bc9d0418c20a1989b7c078c64c2a6346fa3","https://git.kernel.org/stable/c/2d7b6580384e6d65419933ddc525bd176095da54","https://git.kernel.org/stable/c/1d09697ff22908ae487fc8c4fbde1811732be523"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50311.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50311","state":"PUBLISHED","datePublished":"2025-09-15T14:46:06.504Z","dateUpdated":"2026-05-11T19:16:51.472Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-09-15T14:18:36.813Z"},"containers":{"cna":{"title":"cxl: Fix refcount leak in cxl_calc_capp_routing","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncxl: Fix refcount leak in cxl_calc_capp_routing\n\nof_get_next_parent() returns a node pointer with refcount incremented,\nwe should use of_node_put() on it when not need anymore.\nThis function only calls of_node_put() in normal path,\nmissing it in the error path.\nAdd missing of_node_put() to avoid refcount leak."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"f24be42aab37c6d07c05126673138e06223a6399","status":"affected","lessThan":"c9bebc503881c1391f6c4f820134884adecf1519","versionType":"git"},{"version":"f24be42aab37c6d07c05126673138e06223a6399","status":"affected","lessThan":"ee870f72465015327ad96204b0e92450d04870cd","versionType":"git"},{"version":"f24be42aab37c6d07c05126673138e06223a6399","status":"affected","lessThan":"f2d60f6ba173cded65081cee690b67802395a479","versionType":"git"},{"version":"f24be42aab37c6d07c05126673138e06223a6399","status":"affected","lessThan":"81c8bbf5b2b5f0c8030fff1716c00849cda8571a","versionType":"git"},{"version":"f24be42aab37c6d07c05126673138e06223a6399","status":"affected","lessThan":"6a310e8db5409676b4b3e6c1f54dff174e4fd04d","versionType":"git"},{"version":"f24be42aab37c6d07c05126673138e06223a6399","status":"affected","lessThan":"651e8bc9d0418c20a1989b7c078c64c2a6346fa3","versionType":"git"},{"version":"f24be42aab37c6d07c05126673138e06223a6399","status":"affected","lessThan":"2d7b6580384e6d65419933ddc525bd176095da54","versionType":"git"},{"version":"f24be42aab37c6d07c05126673138e06223a6399","status":"affected","lessThan":"1d09697ff22908ae487fc8c4fbde1811732be523","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/misc/cxl/pci.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.12","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/misc/cxl/pci.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/c9bebc503881c1391f6c4f820134884adecf1519"},{"url":"https://git.kernel.org/stable/c/ee870f72465015327ad96204b0e92450d04870cd"},{"url":"https://git.kernel.org/stable/c/f2d60f6ba173cded65081cee690b67802395a479"},{"url":"https://git.kernel.org/stable/c/81c8bbf5b2b5f0c8030fff1716c00849cda8571a"},{"url":"https://git.kernel.org/stable/c/6a310e8db5409676b4b3e6c1f54dff174e4fd04d"},{"url":"https://git.kernel.org/stable/c/651e8bc9d0418c20a1989b7c078c64c2a6346fa3"},{"url":"https://git.kernel.org/stable/c/2d7b6580384e6d65419933ddc525bd176095da54"},{"url":"https://git.kernel.org/stable/c/1d09697ff22908ae487fc8c4fbde1811732be523"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:16:51.472Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"4.14.303"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"4.19.270"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"5.4.229"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"5.10.163"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"5.15.86"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"6.0.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"6.1.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"6.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}