{"cve":"CVE-2024-36925","nvd":{"published":"2024-05-30T16:15:15.800","modified":"2026-06-17T07:37:22.387","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nswiotlb: initialise restricted pool list_head when SWIOTLB_DYNAMIC=y\n\nUsing restricted DMA pools (CONFIG_DMA_RESTRICTED_POOL=y) in conjunction\nwith dynamic SWIOTLB (CONFIG_SWIOTLB_DYNAMIC=y) leads to the following\ncrash when initialising the restricted pools at boot-time:\n\n  | Unable to handle kernel NULL pointer dereference at virtual address 0000000000000008\n  | Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP\n  | pc : rmem_swiotlb_device_init+0xfc/0x1ec\n  | lr : rmem_swiotlb_device_init+0xf0/0x1ec\n  | Call trace:\n  |  rmem_swiotlb_device_init+0xfc/0x1ec\n  |  of_reserved_mem_device_init_by_idx+0x18c/0x238\n  |  of_dma_configure_id+0x31c/0x33c\n  |  platform_dma_configure+0x34/0x80\n\nfaddr2line reveals that the crash is in the list validation code:\n\n  include/linux/list.h:83\n  include/linux/rculist.h:79\n  include/linux/rculist.h:106\n  kernel/dma/swiotlb.c:306\n  kernel/dma/swiotlb.c:1695\n\nbecause add_mem_pool() is trying to list_add_rcu() to a NULL\n'mem->pools'.\n\nFix the crash by initialising the 'mem->pools' list_head in\nrmem_swiotlb_device_init() before calling add_mem_pool().","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-476"],"references":["https://git.kernel.org/stable/c/75961ffb5cb3e5196f19cae7683f35cc88b50800","https://git.kernel.org/stable/c/f2a6b3ed20f2dea4cb645abc6a73c4595662adca","https://git.kernel.org/stable/c/f62e0fefcdfe2c05ccb1aa80521a69524eea9c84","https://git.kernel.org/stable/c/75961ffb5cb3e5196f19cae7683f35cc88b50800","https://git.kernel.org/stable/c/f2a6b3ed20f2dea4cb645abc6a73c4595662adca"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:51:20.603330631+00:00"},"epss":{"cve":"CVE-2024-36925","score":0.00227,"percentile":0.13448,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}