{"id":"CVE-2025-68238","state":"PUBLISHED","title":"mtd: rawnand: cadence: fix DMA device NULL pointer dereference","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: rawnand: cadence: fix DMA device NULL pointer dereference\n\nThe DMA device pointer `dma_dev` was being dereferenced before ensuring\nthat `cdns_ctrl->dmac` is properly initialized.\n\nMove the assignment of `dma_dev` after successfully acquiring the DMA\nchannel to ensure the pointer is valid before use.","publishedAt":"2025-12-16T14:08:31.672Z","updatedAt":"2026-05-23T16:02:26.527Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0cae7c285f4771a9927ef592899234d307aea5d4","status":"affected","lessThan":"2178b0255eae108bb10e5e99658b28641bc06f43","versionType":"git"},{"version":"099a316518508be7c57de4134ef919b2dea948ce","status":"affected","lessThan":"9c58c64ec41290c12490ca7e1df45013fbbb41fd","versionType":"git"},{"version":"e630d32162a8aab92d4aaebae0a8d93039257593","status":"affected","lessThan":"e282a4fdf3c6ee842a720010a8b5f7d77bedd126","versionType":"git"},{"version":"ad9393467fbd788ac2b8a01e492e45ab1b68a1b1","status":"affected","lessThan":"b146e0b085d9d6bfe838e0a15481cba7d093c67f","versionType":"git"},{"version":"0ce5416863965ddd86e066484a306867cf1e01a8","status":"affected","lessThan":"0c635241a62f2f5da1b48bfffae226d1f86a76ef","versionType":"git"},{"version":"d76d22b5096c5b05208fd982b153b3f182350b19","status":"affected","lessThan":"0c2a43cb43786011b48eeab6093db14888258c6b","versionType":"git"},{"version":"d76d22b5096c5b05208fd982b153b3f182350b19","status":"affected","lessThan":"5c56bf214af85ca042bf97f8584aab2151035840","versionType":"git"},{"version":"a33c7492dcdf804b705b6c21018a481414d48038","status":"affected","versionType":"git"},{"version":"5.10.235","status":"affected","lessThan":"5.10.247","versionType":"semver"},{"version":"5.15.179","status":"affected","lessThan":"5.15.197","versionType":"semver"},{"version":"6.1.130","status":"affected","lessThan":"6.1.159","versionType":"semver"},{"version":"6.6.80","status":"affected","lessThan":"6.6.118","versionType":"semver"},{"version":"6.12.17","status":"affected","lessThan":"6.12.60","versionType":"semver"},{"version":"6.13.5","status":"affected","lessThan":"6.14","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mtd/nand/raw/cadence-nand-controller.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.14","versionType":"semver"},{"version":"5.10.247","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.197","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.159","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.118","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.60","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.17.10","status":"unaffected","lessThanOrEqual":"6.17.*","versionType":"semver"},{"version":"6.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mtd/nand/raw/cadence-nand-controller.c"]}],"references":["https://git.kernel.org/stable/c/2178b0255eae108bb10e5e99658b28641bc06f43","https://git.kernel.org/stable/c/9c58c64ec41290c12490ca7e1df45013fbbb41fd","https://git.kernel.org/stable/c/e282a4fdf3c6ee842a720010a8b5f7d77bedd126","https://git.kernel.org/stable/c/b146e0b085d9d6bfe838e0a15481cba7d093c67f","https://git.kernel.org/stable/c/0c635241a62f2f5da1b48bfffae226d1f86a76ef","https://git.kernel.org/stable/c/0c2a43cb43786011b48eeab6093db14888258c6b","https://git.kernel.org/stable/c/5c56bf214af85ca042bf97f8584aab2151035840"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:56.034Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/68xxx/CVE-2025-68238.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-68238","state":"PUBLISHED","datePublished":"2025-12-16T14:08:31.672Z","dateUpdated":"2026-05-23T16:02:26.527Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-12-16T13:41:40.263Z"},"containers":{"cna":{"title":"mtd: rawnand: cadence: fix DMA device NULL pointer dereference","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: rawnand: cadence: fix DMA device NULL pointer dereference\n\nThe DMA device pointer `dma_dev` was being dereferenced before ensuring\nthat `cdns_ctrl->dmac` is properly initialized.\n\nMove the assignment of `dma_dev` after successfully acquiring the DMA\nchannel to ensure the pointer is valid before use."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0cae7c285f4771a9927ef592899234d307aea5d4","status":"affected","lessThan":"2178b0255eae108bb10e5e99658b28641bc06f43","versionType":"git"},{"version":"099a316518508be7c57de4134ef919b2dea948ce","status":"affected","lessThan":"9c58c64ec41290c12490ca7e1df45013fbbb41fd","versionType":"git"},{"version":"e630d32162a8aab92d4aaebae0a8d93039257593","status":"affected","lessThan":"e282a4fdf3c6ee842a720010a8b5f7d77bedd126","versionType":"git"},{"version":"ad9393467fbd788ac2b8a01e492e45ab1b68a1b1","status":"affected","lessThan":"b146e0b085d9d6bfe838e0a15481cba7d093c67f","versionType":"git"},{"version":"0ce5416863965ddd86e066484a306867cf1e01a8","status":"affected","lessThan":"0c635241a62f2f5da1b48bfffae226d1f86a76ef","versionType":"git"},{"version":"d76d22b5096c5b05208fd982b153b3f182350b19","status":"affected","lessThan":"0c2a43cb43786011b48eeab6093db14888258c6b","versionType":"git"},{"version":"d76d22b5096c5b05208fd982b153b3f182350b19","status":"affected","lessThan":"5c56bf214af85ca042bf97f8584aab2151035840","versionType":"git"},{"version":"a33c7492dcdf804b705b6c21018a481414d48038","status":"affected","versionType":"git"},{"version":"5.10.235","status":"affected","lessThan":"5.10.247","versionType":"semver"},{"version":"5.15.179","status":"affected","lessThan":"5.15.197","versionType":"semver"},{"version":"6.1.130","status":"affected","lessThan":"6.1.159","versionType":"semver"},{"version":"6.6.80","status":"affected","lessThan":"6.6.118","versionType":"semver"},{"version":"6.12.17","status":"affected","lessThan":"6.12.60","versionType":"semver"},{"version":"6.13.5","status":"affected","lessThan":"6.14","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mtd/nand/raw/cadence-nand-controller.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.14","versionType":"semver"},{"version":"5.10.247","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.197","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.159","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.118","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.60","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.17.10","status":"unaffected","lessThanOrEqual":"6.17.*","versionType":"semver"},{"version":"6.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mtd/nand/raw/cadence-nand-controller.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/2178b0255eae108bb10e5e99658b28641bc06f43"},{"url":"https://git.kernel.org/stable/c/9c58c64ec41290c12490ca7e1df45013fbbb41fd"},{"url":"https://git.kernel.org/stable/c/e282a4fdf3c6ee842a720010a8b5f7d77bedd126"},{"url":"https://git.kernel.org/stable/c/b146e0b085d9d6bfe838e0a15481cba7d093c67f"},{"url":"https://git.kernel.org/stable/c/0c635241a62f2f5da1b48bfffae226d1f86a76ef"},{"url":"https://git.kernel.org/stable/c/0c2a43cb43786011b48eeab6093db14888258c6b"},{"url":"https://git.kernel.org/stable/c/5c56bf214af85ca042bf97f8584aab2151035840"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-23T16:02:26.527Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10.235","versionEndExcluding":"5.10.247"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15.179","versionEndExcluding":"5.15.197"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1.130","versionEndExcluding":"6.1.159"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6.80","versionEndExcluding":"6.6.118"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12.17","versionEndExcluding":"6.12.60"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.14","versionEndExcluding":"6.17.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.14","versionEndExcluding":"6.18"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13.5"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}