CVE-2024-56767
dmaengine: at_xdmac: avoid null_prt_deref in at_xdmac_prep_dma_memset
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: dmaengine: at_xdmac: avoid null_prt_deref in at_xdmac_prep_dma_memset The at_xdmac_memset_create_desc may return NULL, which will lead to a null pointer dereference. For example, the len input is error, or the atchan->free_descs_list is empty and memory is exhausted. Therefore, add check to avoid this.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Jan 6, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
b206d9a23ac71cb905f5fb6e0cd813406f89b678 < 3d229600c54e9e0909080ecaf1aab0642aefa5f0 b206d9a23ac71cb905f5fb6e0cd813406f89b678 < ed1a8aaa344522c0c349ac9042db27ad130ef913 b206d9a23ac71cb905f5fb6e0cd813406f89b678 < 8d364597de9ce2a5f52714224bfe6c2e7a29b303 b206d9a23ac71cb905f5fb6e0cd813406f89b678 < fdba6d5e455388377ec7e82a5913ddfcc7edd93b b206d9a23ac71cb905f5fb6e0cd813406f89b678 < e658f1c133b854b2ae799147301d82dddb8f3162 b206d9a23ac71cb905f5fb6e0cd813406f89b678 < 54376d8d26596f98ed7432a788314bb9154bf3e3 b206d9a23ac71cb905f5fb6e0cd813406f89b678 < c43ec96e8d34399bd9dab2f2dc316b904892133f
Linux / Linux
4.2
References
git.kernel.org: https://git.kernel.org/stable/c/3d229600c54e9e0909080ecaf1aab0642aefa5f0 git.kernel.org: https://git.kernel.org/stable/c/ed1a8aaa344522c0c349ac9042db27ad130ef913 git.kernel.org: https://git.kernel.org/stable/c/8d364597de9ce2a5f52714224bfe6c2e7a29b303 git.kernel.org: https://git.kernel.org/stable/c/fdba6d5e455388377ec7e82a5913ddfcc7edd93b git.kernel.org: https://git.kernel.org/stable/c/e658f1c133b854b2ae799147301d82dddb8f3162 git.kernel.org: https://git.kernel.org/stable/c/54376d8d26596f98ed7432a788314bb9154bf3e3 git.kernel.org: https://git.kernel.org/stable/c/c43ec96e8d34399bd9dab2f2dc316b904892133f lists.debian.org: https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html lists.debian.org: https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html