{"id":"CVE-2026-80902","summary":"dmaengine: sun6i-dma: Fix reclaim descriptors while terminating DMA","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: sun6i-dma: Fix reclaim descriptors while terminating DMA\n\nWhen terminating DMA transfers, active descriptors are not properly\nreclaimed. Only cyclic descriptors were handled, leaving non-cyclic\ndescriptors and their LLI chains to be permanently leaked.\n\nFix by using vchan_terminate_vdesc() which handles both cyclic and\nnon-cyclic descriptors by adding them to desc_terminated queue for\nproper cleanup.\n\nAdd pchan-\u003edesc != pchan-\u003edone check to prevent double-adding completed\ndescriptors, which would corrupt the list.","modified":"2026-09-05T03:48:22.684346522Z","published":"2026-09-04T17:11:17.510Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80902.json"},"references":[{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"},{"type":"WEB","url":"https://git.kernel.org/stable/c/004a7a02982bed0a727a4ac7be400f00f353e7a2"},{"type":"WEB","url":"https://git.kernel.org/stable/c/1ccc5c059d067c5358682ad5352e7d7e9239ed9b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/27806fe7b9701af0963dcd510e30e7d0cc314c43"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9086b488f2737d5dcee86852b83f2059f1cdfabf"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ab1150115e68a46b687eb38c1ab92782018c9f2c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b150f603083cc8b72b0cbf13ec3e91f85b4390a0"},{"type":"WEB","url":"https://git.kernel.org/stable/c/bb87440561eb72b47a2b848b5373b86433b247e6"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d4ba6aa65fcd797152d3aebd428a7b2da49cd5eb"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80902.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80902"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"555859308723d8d5b828304f5eb9281143fd86b5"},{"fixed":"bb87440561eb72b47a2b848b5373b86433b247e6"},{"fixed":"004a7a02982bed0a727a4ac7be400f00f353e7a2"},{"fixed":"b150f603083cc8b72b0cbf13ec3e91f85b4390a0"},{"fixed":"27806fe7b9701af0963dcd510e30e7d0cc314c43"},{"fixed":"1ccc5c059d067c5358682ad5352e7d7e9239ed9b"},{"fixed":"9086b488f2737d5dcee86852b83f2059f1cdfabf"},{"fixed":"d4ba6aa65fcd797152d3aebd428a7b2da49cd5eb"},{"fixed":"ab1150115e68a46b687eb38c1ab92782018c9f2c"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-80902.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.17.0"},{"fixed":"5.10.265"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.216"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.183"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.151"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.103"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.44"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.1.8"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-80902.json"}}],"schema_version":"1.9.0"}