{"id":"CVE-2025-71233","summary":"PCI: endpoint: Avoid creating sub-groups asynchronously","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: endpoint: Avoid creating sub-groups asynchronously\n\nThe asynchronous creation of sub-groups by a delayed work could lead to a\nNULL pointer dereference when the driver directory is removed before the\nwork completes.\n\nThe crash can be easily reproduced with the following commands:\n\n  # cd /sys/kernel/config/pci_ep/functions/pci_epf_test\n  # for i in {1..20}; do mkdir test && rmdir test; done\n\n  BUG: kernel NULL pointer dereference, address: 0000000000000088\n  ...\n  Call Trace:\n   configfs_register_group+0x3d/0x190\n   pci_epf_cfs_work+0x41/0x110\n   process_one_work+0x18f/0x350\n   worker_thread+0x25a/0x3a0\n\nFix this issue by using configfs_add_default_group() API which does not\nhave the deadlock problem as configfs_register_group() and does not require\nthe delayed work handler.\n\n[mani: slightly reworded the description and added stable list]","modified":"2026-04-28T18:29:33.640295367Z","published":"2026-02-18T14:53:17.926Z","related":["SUSE-SU-2026:20838-1","SUSE-SU-2026:20931-1","SUSE-SU-2026:21284-1","openSUSE-SU-2026:10387-1","openSUSE-SU-2026:20416-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/71xxx/CVE-2025-71233.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/24a253c3aa6d9a2cde46158ce9782e023bfbf32d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5f609b3bffd4207cf9f2c9b41e1978457a5a1ea9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/73cee890adafa2c219bb865356e08e7f82423fe5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7c5c7d06bd1f86d2c3ebe62be903a4ba42db4d2c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8cb905eca73944089a0db01443c7628a9e87012d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d9af3cf58bb4c8d6dea4166011c780756b1138b5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/fa9fb38f5fe9c80094c2138354d45cdc8d094d69"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/71xxx/CVE-2025-71233.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-71233"},{"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":"e85a2d7837622bd99c96f5bbc7f972da90c285a2"},{"fixed":"fa9fb38f5fe9c80094c2138354d45cdc8d094d69"},{"fixed":"5f609b3bffd4207cf9f2c9b41e1978457a5a1ea9"},{"fixed":"8cb905eca73944089a0db01443c7628a9e87012d"},{"fixed":"d9af3cf58bb4c8d6dea4166011c780756b1138b5"},{"fixed":"24a253c3aa6d9a2cde46158ce9782e023bfbf32d"},{"fixed":"73cee890adafa2c219bb865356e08e7f82423fe5"},{"fixed":"7c5c7d06bd1f86d2c3ebe62be903a4ba42db4d2c"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-71233.json"}}],"schema_version":"1.7.5"}