{"id":"CVE-2022-50146","state":"PUBLISHED","title":"PCI: dwc: Deallocate EPC memory on dw_pcie_ep_init() errors","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: dwc: Deallocate EPC memory on dw_pcie_ep_init() errors\n\nIf dw_pcie_ep_init() fails to perform any action after the EPC memory is\ninitialized and the MSI memory region is allocated, the latter parts won't\nbe undone thus causing a memory leak.  Add a cleanup-on-error path to fix\nthese leaks.\n\n[bhelgaas: commit log]","publishedAt":"2025-06-18T11:03:07.031Z","updatedAt":"2026-05-11T19:13:43.087Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"2fd0c9d966cc11bb5f73556dd788d12f501d8755","status":"affected","lessThan":"e7599a5974d4c64eaae8009c3f2e47b9e3223e07","versionType":"git"},{"version":"2fd0c9d966cc11bb5f73556dd788d12f501d8755","status":"affected","lessThan":"b03a8f1264ea8c363bec9ef6e37b467f27cb04ea","versionType":"git"},{"version":"2fd0c9d966cc11bb5f73556dd788d12f501d8755","status":"affected","lessThan":"2d546db5c80c45cac3ccd929550244fd58f4ff58","versionType":"git"},{"version":"2fd0c9d966cc11bb5f73556dd788d12f501d8755","status":"affected","lessThan":"3b453f5d06d1f1d6b20a75ea51dc7b53ae78f479","versionType":"git"},{"version":"2fd0c9d966cc11bb5f73556dd788d12f501d8755","status":"affected","lessThan":"8161e9626b50892eaedbd8070ecb1586ecedb109","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pci/controller/dwc/pcie-designware-ep.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.16","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/pci/controller/dwc/pcie-designware-ep.c"]}],"references":["https://git.kernel.org/stable/c/e7599a5974d4c64eaae8009c3f2e47b9e3223e07","https://git.kernel.org/stable/c/b03a8f1264ea8c363bec9ef6e37b467f27cb04ea","https://git.kernel.org/stable/c/2d546db5c80c45cac3ccd929550244fd58f4ff58","https://git.kernel.org/stable/c/3b453f5d06d1f1d6b20a75ea51dc7b53ae78f479","https://git.kernel.org/stable/c/8161e9626b50892eaedbd8070ecb1586ecedb109"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50146.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50146","state":"PUBLISHED","datePublished":"2025-06-18T11:03:07.031Z","dateUpdated":"2026-05-11T19:13:43.087Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-06-18T10:57:27.424Z"},"containers":{"cna":{"title":"PCI: dwc: Deallocate EPC memory on dw_pcie_ep_init() errors","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: dwc: Deallocate EPC memory on dw_pcie_ep_init() errors\n\nIf dw_pcie_ep_init() fails to perform any action after the EPC memory is\ninitialized and the MSI memory region is allocated, the latter parts won't\nbe undone thus causing a memory leak.  Add a cleanup-on-error path to fix\nthese leaks.\n\n[bhelgaas: commit log]"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"2fd0c9d966cc11bb5f73556dd788d12f501d8755","status":"affected","lessThan":"e7599a5974d4c64eaae8009c3f2e47b9e3223e07","versionType":"git"},{"version":"2fd0c9d966cc11bb5f73556dd788d12f501d8755","status":"affected","lessThan":"b03a8f1264ea8c363bec9ef6e37b467f27cb04ea","versionType":"git"},{"version":"2fd0c9d966cc11bb5f73556dd788d12f501d8755","status":"affected","lessThan":"2d546db5c80c45cac3ccd929550244fd58f4ff58","versionType":"git"},{"version":"2fd0c9d966cc11bb5f73556dd788d12f501d8755","status":"affected","lessThan":"3b453f5d06d1f1d6b20a75ea51dc7b53ae78f479","versionType":"git"},{"version":"2fd0c9d966cc11bb5f73556dd788d12f501d8755","status":"affected","lessThan":"8161e9626b50892eaedbd8070ecb1586ecedb109","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pci/controller/dwc/pcie-designware-ep.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.16","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/pci/controller/dwc/pcie-designware-ep.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/e7599a5974d4c64eaae8009c3f2e47b9e3223e07"},{"url":"https://git.kernel.org/stable/c/b03a8f1264ea8c363bec9ef6e37b467f27cb04ea"},{"url":"https://git.kernel.org/stable/c/2d546db5c80c45cac3ccd929550244fd58f4ff58"},{"url":"https://git.kernel.org/stable/c/3b453f5d06d1f1d6b20a75ea51dc7b53ae78f479"},{"url":"https://git.kernel.org/stable/c/8161e9626b50892eaedbd8070ecb1586ecedb109"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:13:43.087Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"5.10.137"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"5.15.61"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"5.18.18"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"5.19.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"6.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}