{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2022-49083","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-02-26T01:49:39.248Z","datePublished":"2025-02-26T01:54:42.582Z","dateUpdated":"2025-05-04T08:29:21.393Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T08:29:21.393Z"},"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":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iommu/omap-iommu.c"],"versions":[{"version":"6785eb9105e3363aa51408c700a55e8b5f88fcf6","lessThan":"bd905fed87ce01ac010011bb8f44ed0140116ceb","status":"affected","versionType":"git"},{"version":"6785eb9105e3363aa51408c700a55e8b5f88fcf6","lessThan":"47e239117bd97c8556f9187af7a9a7938db4e021","status":"affected","versionType":"git"},{"version":"6785eb9105e3363aa51408c700a55e8b5f88fcf6","lessThan":"ea518578aa8a9a0280605b53cc33f707e10c8178","status":"affected","versionType":"git"},{"version":"6785eb9105e3363aa51408c700a55e8b5f88fcf6","lessThan":"1d89f2b9eadbcf3ce93c6d7238f68299a1f84968","status":"affected","versionType":"git"},{"version":"6785eb9105e3363aa51408c700a55e8b5f88fcf6","lessThan":"71ff461c3f41f6465434b9e980c01782763e7ad8","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/iommu/omap-iommu.c"],"versions":[{"version":"5.8","status":"affected"},{"version":"0","lessThan":"5.8","status":"unaffected","versionType":"semver"},{"version":"5.10.111","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.34","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"5.16.20","lessThanOrEqual":"5.16.*","status":"unaffected","versionType":"semver"},{"version":"5.17.3","lessThanOrEqual":"5.17.*","status":"unaffected","versionType":"semver"},{"version":"5.18","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":"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"}]}]}],"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"}],"title":"iommu/omap: Fix regression in probe for NULL pointer dereference","x_generator":{"engine":"bippy-1.2.0"}}}}