{"id":"CVE-2022-50524","state":"PUBLISHED","title":"iommu/mediatek: Check return value after calling platform_get_resource()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\niommu/mediatek: Check return value after calling platform_get_resource()\n\nplatform_get_resource() may return NULL pointer, we need check its\nreturn value to avoid null-ptr-deref in resource_size().","publishedAt":"2025-10-07T15:19:17.251Z","updatedAt":"2026-05-11T19:21:05.702Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"42d57fc58aebc5801804424082028f43bad1b73c","status":"affected","lessThan":"bfebf05883cdcf9ac983033987fae869bd59ca53","versionType":"git"},{"version":"42d57fc58aebc5801804424082028f43bad1b73c","status":"affected","lessThan":"feca904412483b2e0a903dd1f2e2843afd445f8c","versionType":"git"},{"version":"42d57fc58aebc5801804424082028f43bad1b73c","status":"affected","lessThan":"73b6924cdebc899de9b719e1319aa86c6bed4acf","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iommu/mtk_iommu.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.19","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/iommu/mtk_iommu.c"]}],"references":["https://git.kernel.org/stable/c/bfebf05883cdcf9ac983033987fae869bd59ca53","https://git.kernel.org/stable/c/feca904412483b2e0a903dd1f2e2843afd445f8c","https://git.kernel.org/stable/c/73b6924cdebc899de9b719e1319aa86c6bed4acf"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50524.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50524","state":"PUBLISHED","datePublished":"2025-10-07T15:19:17.251Z","dateUpdated":"2026-05-11T19:21:05.702Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-10-07T15:15:38.663Z"},"containers":{"cna":{"title":"iommu/mediatek: Check return value after calling platform_get_resource()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\niommu/mediatek: Check return value after calling platform_get_resource()\n\nplatform_get_resource() may return NULL pointer, we need check its\nreturn value to avoid null-ptr-deref in resource_size()."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"42d57fc58aebc5801804424082028f43bad1b73c","status":"affected","lessThan":"bfebf05883cdcf9ac983033987fae869bd59ca53","versionType":"git"},{"version":"42d57fc58aebc5801804424082028f43bad1b73c","status":"affected","lessThan":"feca904412483b2e0a903dd1f2e2843afd445f8c","versionType":"git"},{"version":"42d57fc58aebc5801804424082028f43bad1b73c","status":"affected","lessThan":"73b6924cdebc899de9b719e1319aa86c6bed4acf","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iommu/mtk_iommu.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.19","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/iommu/mtk_iommu.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/bfebf05883cdcf9ac983033987fae869bd59ca53"},{"url":"https://git.kernel.org/stable/c/feca904412483b2e0a903dd1f2e2843afd445f8c"},{"url":"https://git.kernel.org/stable/c/73b6924cdebc899de9b719e1319aa86c6bed4acf"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:21:05.702Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"6.0.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"6.1.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"6.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}