{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-38300","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-04-16T04:51:24.002Z","datePublished":"2025-07-10T07:42:12.826Z","dateUpdated":"2026-05-11T21:25:18.683Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:25:18.683Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: sun8i-ce-cipher - fix error handling in sun8i_ce_cipher_prepare()\n\nFix two DMA cleanup issues on the error path in sun8i_ce_cipher_prepare():\n\n1] If dma_map_sg() fails for areq->dst, the device driver would try to free\n   DMA memory it has not allocated in the first place. To fix this, on the\n   \"theend_sgs\" error path, call dma unmap only if the corresponding dma\n   map was successful.\n\n2] If the dma_map_single() call for the IV fails, the device driver would\n   try to free an invalid DMA memory address on the \"theend_iv\" path:\n   ------------[ cut here ]------------\n   DMA-API: sun8i-ce 1904000.crypto: device driver tries to free an invalid DMA memory address\n   WARNING: CPU: 2 PID: 69 at kernel/dma/debug.c:968 check_unmap+0x123c/0x1b90\n   Modules linked in: skcipher_example(O+)\n   CPU: 2 UID: 0 PID: 69 Comm: 1904000.crypto- Tainted: G           O        6.15.0-rc3+ #24 PREEMPT\n   Tainted: [O]=OOT_MODULE\n   Hardware name: OrangePi Zero2 (DT)\n   pc : check_unmap+0x123c/0x1b90\n   lr : check_unmap+0x123c/0x1b90\n   ...\n   Call trace:\n    check_unmap+0x123c/0x1b90 (P)\n    debug_dma_unmap_page+0xac/0xc0\n    dma_unmap_page_attrs+0x1f4/0x5fc\n    sun8i_ce_cipher_do_one+0x1bd4/0x1f40\n    crypto_pump_work+0x334/0x6e0\n    kthread_worker_fn+0x21c/0x438\n    kthread+0x374/0x664\n    ret_from_fork+0x10/0x20\n   ---[ end trace 0000000000000000 ]---\n\nTo fix this, check for !dma_mapping_error() before calling\ndma_unmap_single() on the \"theend_iv\" path."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c"],"versions":[{"version":"06f751b613296cc34b86fc83fccaf30d646eb8bc","lessThan":"a0ac3f85b2e3ef529e852f252a70311f9029d5e6","status":"affected","versionType":"git"},{"version":"06f751b613296cc34b86fc83fccaf30d646eb8bc","lessThan":"c62b79c1c51303dbcb6edfa4de0ee176f4934c52","status":"affected","versionType":"git"},{"version":"06f751b613296cc34b86fc83fccaf30d646eb8bc","lessThan":"19d267d9fad00d94ad8477899e38ed7c11f33fb6","status":"affected","versionType":"git"},{"version":"06f751b613296cc34b86fc83fccaf30d646eb8bc","lessThan":"4051250e5db489f8ad65fc337e2677b9b568ac72","status":"affected","versionType":"git"},{"version":"06f751b613296cc34b86fc83fccaf30d646eb8bc","lessThan":"f31adc3e356f7350d4a4d68c98d3f60f2f6e26b3","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/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c"],"versions":[{"version":"5.5","status":"affected"},{"version":"0","lessThan":"5.5","status":"unaffected","versionType":"semver"},{"version":"6.1.142","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.94","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.34","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.15.3","lessThanOrEqual":"6.15.*","status":"unaffected","versionType":"semver"},{"version":"6.16","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":"5.5","versionEndExcluding":"6.1.142"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.6.94"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.12.34"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.15.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.16"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/a0ac3f85b2e3ef529e852f252a70311f9029d5e6"},{"url":"https://git.kernel.org/stable/c/c62b79c1c51303dbcb6edfa4de0ee176f4934c52"},{"url":"https://git.kernel.org/stable/c/19d267d9fad00d94ad8477899e38ed7c11f33fb6"},{"url":"https://git.kernel.org/stable/c/4051250e5db489f8ad65fc337e2677b9b568ac72"},{"url":"https://git.kernel.org/stable/c/f31adc3e356f7350d4a4d68c98d3f60f2f6e26b3"}],"title":"crypto: sun8i-ce-cipher - fix error handling in sun8i_ce_cipher_prepare()","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T17:36:20.735Z"}}]}}