{"id":"CVE-2024-56767","summary":"dmaengine: at_xdmac: avoid null_prt_deref in at_xdmac_prep_dma_memset","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: at_xdmac: avoid null_prt_deref in at_xdmac_prep_dma_memset\n\nThe at_xdmac_memset_create_desc may return NULL, which will lead to a\nnull pointer dereference. For example, the len input is error, or the\natchan-\u003efree_descs_list is empty and memory is exhausted. Therefore, add\ncheck to avoid this.","modified":"2026-03-20T12:41:00.777866Z","published":"2025-01-06T16:20:45.430Z","related":["MGASA-2025-0030","MGASA-2025-0032","SUSE-SU-2025:0289-1","SUSE-SU-2025:0428-1","SUSE-SU-2025:0499-1","SUSE-SU-2025:0557-1","SUSE-SU-2025:20165-1","SUSE-SU-2025:20166-1","SUSE-SU-2025:20248-1","SUSE-SU-2025:20249-1","USN-7379-2","USN-7380-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/56xxx/CVE-2024-56767.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/3d229600c54e9e0909080ecaf1aab0642aefa5f0"},{"type":"WEB","url":"https://git.kernel.org/stable/c/54376d8d26596f98ed7432a788314bb9154bf3e3"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8d364597de9ce2a5f52714224bfe6c2e7a29b303"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c43ec96e8d34399bd9dab2f2dc316b904892133f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e658f1c133b854b2ae799147301d82dddb8f3162"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ed1a8aaa344522c0c349ac9042db27ad130ef913"},{"type":"WEB","url":"https://git.kernel.org/stable/c/fdba6d5e455388377ec7e82a5913ddfcc7edd93b"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/56xxx/CVE-2024-56767.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-56767"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"b206d9a23ac71cb905f5fb6e0cd813406f89b678"},{"fixed":"3d229600c54e9e0909080ecaf1aab0642aefa5f0"},{"fixed":"ed1a8aaa344522c0c349ac9042db27ad130ef913"},{"fixed":"8d364597de9ce2a5f52714224bfe6c2e7a29b303"},{"fixed":"fdba6d5e455388377ec7e82a5913ddfcc7edd93b"},{"fixed":"e658f1c133b854b2ae799147301d82dddb8f3162"},{"fixed":"54376d8d26596f98ed7432a788314bb9154bf3e3"},{"fixed":"c43ec96e8d34399bd9dab2f2dc316b904892133f"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-56767.json"}}],"schema_version":"1.7.5"}