{"id":"CVE-2022-49083","state":"PUBLISHED","title":"iommu/omap: Fix regression in probe for NULL pointer dereference","description":"In the Linux kernel, the following vulnerability has been resolved:\n\niommu/omap: Fix regression in probe for NULL pointer dereference\n\nCommit 3f6634d997db (\"iommu: Use right way to retrieve iommu_ops\") started\ntriggering a NULL pointer dereference for some omap variants:\n\n__iommu_probe_device from probe_iommu_group+0x2c/0x38\nprobe_iommu_group from bus_for_each_dev+0x74/0xbc\nbus_for_each_dev from bus_iommu_probe+0x34/0x2e8\nbus_iommu_probe from bus_set_iommu+0x80/0xc8\nbus_set_iommu from omap_iommu_init+0x88/0xcc\nomap_iommu_init from do_one_initcall+0x44/0x24\n\nThis is caused by omap iommu probe returning 0 instead of ERR_PTR(-ENODEV)\nas noted by Jason Gunthorpe <jgg@ziepe.ca>.\n\nLooks like the regression already happened with an earlier commit\n6785eb9105e3 (\"iommu/omap: Convert to probe/release_device() call-backs\")\nthat changed the function return type and missed converting one place.","publishedAt":"2025-02-26T01:54:42.582Z","updatedAt":"2026-05-11T18:52:42.349Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"6785eb9105e3363aa51408c700a55e8b5f88fcf6","status":"affected","lessThan":"bd905fed87ce01ac010011bb8f44ed0140116ceb","versionType":"git"},{"version":"6785eb9105e3363aa51408c700a55e8b5f88fcf6","status":"affected","lessThan":"47e239117bd97c8556f9187af7a9a7938db4e021","versionType":"git"},{"version":"6785eb9105e3363aa51408c700a55e8b5f88fcf6","status":"affected","lessThan":"ea518578aa8a9a0280605b53cc33f707e10c8178","versionType":"git"},{"version":"6785eb9105e3363aa51408c700a55e8b5f88fcf6","status":"affected","lessThan":"1d89f2b9eadbcf3ce93c6d7238f68299a1f84968","versionType":"git"},{"version":"6785eb9105e3363aa51408c700a55e8b5f88fcf6","status":"affected","lessThan":"71ff461c3f41f6465434b9e980c01782763e7ad8","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iommu/omap-iommu.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.8","versionType":"semver"},{"version":"5.10.111","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.34","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.16.20","status":"unaffected","lessThanOrEqual":"5.16.*","versionType":"semver"},{"version":"5.17.3","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iommu/omap-iommu.c"]}],"references":["https://git.kernel.org/stable/c/bd905fed87ce01ac010011bb8f44ed0140116ceb","https://git.kernel.org/stable/c/47e239117bd97c8556f9187af7a9a7938db4e021","https://git.kernel.org/stable/c/ea518578aa8a9a0280605b53cc33f707e10c8178","https://git.kernel.org/stable/c/1d89f2b9eadbcf3ce93c6d7238f68299a1f84968","https://git.kernel.org/stable/c/71ff461c3f41f6465434b9e980c01782763e7ad8"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49083.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49083","state":"PUBLISHED","datePublished":"2025-02-26T01:54:42.582Z","dateUpdated":"2026-05-11T18:52:42.349Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T01:49:39.248Z"},"containers":{"cna":{"title":"iommu/omap: Fix regression in probe for NULL pointer dereference","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\niommu/omap: Fix regression in probe for NULL pointer dereference\n\nCommit 3f6634d997db (\"iommu: Use right way to retrieve iommu_ops\") started\ntriggering a NULL pointer dereference for some omap variants:\n\n__iommu_probe_device from probe_iommu_group+0x2c/0x38\nprobe_iommu_group from bus_for_each_dev+0x74/0xbc\nbus_for_each_dev from bus_iommu_probe+0x34/0x2e8\nbus_iommu_probe from bus_set_iommu+0x80/0xc8\nbus_set_iommu from omap_iommu_init+0x88/0xcc\nomap_iommu_init from do_one_initcall+0x44/0x24\n\nThis is caused by omap iommu probe returning 0 instead of ERR_PTR(-ENODEV)\nas noted by Jason Gunthorpe <jgg@ziepe.ca>.\n\nLooks like the regression already happened with an earlier commit\n6785eb9105e3 (\"iommu/omap: Convert to probe/release_device() call-backs\")\nthat changed the function return type and missed converting one place."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"6785eb9105e3363aa51408c700a55e8b5f88fcf6","status":"affected","lessThan":"bd905fed87ce01ac010011bb8f44ed0140116ceb","versionType":"git"},{"version":"6785eb9105e3363aa51408c700a55e8b5f88fcf6","status":"affected","lessThan":"47e239117bd97c8556f9187af7a9a7938db4e021","versionType":"git"},{"version":"6785eb9105e3363aa51408c700a55e8b5f88fcf6","status":"affected","lessThan":"ea518578aa8a9a0280605b53cc33f707e10c8178","versionType":"git"},{"version":"6785eb9105e3363aa51408c700a55e8b5f88fcf6","status":"affected","lessThan":"1d89f2b9eadbcf3ce93c6d7238f68299a1f84968","versionType":"git"},{"version":"6785eb9105e3363aa51408c700a55e8b5f88fcf6","status":"affected","lessThan":"71ff461c3f41f6465434b9e980c01782763e7ad8","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iommu/omap-iommu.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.8","versionType":"semver"},{"version":"5.10.111","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.34","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.16.20","status":"unaffected","lessThanOrEqual":"5.16.*","versionType":"semver"},{"version":"5.17.3","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iommu/omap-iommu.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/bd905fed87ce01ac010011bb8f44ed0140116ceb"},{"url":"https://git.kernel.org/stable/c/47e239117bd97c8556f9187af7a9a7938db4e021"},{"url":"https://git.kernel.org/stable/c/ea518578aa8a9a0280605b53cc33f707e10c8178"},{"url":"https://git.kernel.org/stable/c/1d89f2b9eadbcf3ce93c6d7238f68299a1f84968"},{"url":"https://git.kernel.org/stable/c/71ff461c3f41f6465434b9e980c01782763e7ad8"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T18:52:42.349Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"5.10.111"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"5.15.34"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"5.16.20"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"5.17.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"5.18"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}