{"id":"CVE-2025-39783","title":"PCI: endpoint: Fix configfs group list head handling","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: endpoint: Fix configfs group list head handling\n\nDoing a list_del() on the epf_group field of struct pci_epf_driver in\npci_epf_remove_cfs() is not correct as this …","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= ef1433f717a2c63747a519d86965d73ff9bd08b3 < 80ea6e6904fb2ba4ccb5d909579988466ec65358","Linux >= ef1433f717a2c63747a519d86965d73ff9bd08b3 < d5aecddc3452371d9da82cdbb0c715812524b54b","Linux >= ef1433f717a2c63747a519d86965d73ff9bd08b3 < dc4ffbd571716ff3b171418fb03abe80e720a7b1","Linux >= ef1433f717a2c63747a519d86965d73ff9bd08b3 < 409af8b9f7b4f23cd0464e71c6cd6fe13c076ae2","Linux >= ef1433f717a2c63747a519d86965d73ff9bd08b3 < 0758862386f114d9ab1e23181461bd1e2e9ec4c6","Linux >= ef1433f717a2c63747a519d86965d73ff9bd08b3 < 6cf65505523224cab1449d726d2ce8180c2941ee","Linux >= ef1433f717a2c63747a519d86965d73ff9bd08b3 < a302bd89db35d8b7e279de4d2b41c16c7f191069","Linux >= ef1433f717a2c63747a519d86965d73ff9bd08b3 < d79123d79a8154b4318529b7b2ff7e15806f480b","Linux 4.18"],"published":"2025-09-11","updated":"2026-10-15","sourceUpdated":"2026-10-15T01:08:19.552Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-39783","references":[{"url":"https://git.kernel.org/stable/c/80ea6e6904fb2ba4ccb5d909579988466ec65358"},{"url":"https://git.kernel.org/stable/c/d5aecddc3452371d9da82cdbb0c715812524b54b"},{"url":"https://git.kernel.org/stable/c/dc4ffbd571716ff3b171418fb03abe80e720a7b1"},{"url":"https://git.kernel.org/stable/c/409af8b9f7b4f23cd0464e71c6cd6fe13c076ae2"},{"url":"https://git.kernel.org/stable/c/0758862386f114d9ab1e23181461bd1e2e9ec4c6"},{"url":"https://git.kernel.org/stable/c/6cf65505523224cab1449d726d2ce8180c2941ee"},{"url":"https://git.kernel.org/stable/c/a302bd89db35d8b7e279de4d2b41c16c7f191069"},{"url":"https://git.kernel.org/stable/c/d79123d79a8154b4318529b7b2ff7e15806f480b"}],"tags":["cve.org"],"epss":0.00167,"epssPercentile":0.05899,"ingestedAt":"2026-10-15T05:52:46.077Z","slug":"CVE-2025-39783","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nPCI: endpoint: Fix configfs group list head handling\n\nDoing a list_del() on the epf_group field of struct pci_epf_driver in\npci_epf_remove_cfs() is not correct as this field is a list head, not\na list entry. This list_del() call triggers a KASAN warning when an\nendpoint function driver which has a configfs attribute group is torn\ndown:\n\n==================================================================\nBUG: KASAN: slab-use-after-free in pci_epf_remove_cfs+0x17c/0x198\nWrite of size 8 at addr ffff00010f4a0d80 by task rmmod/319\n\nCPU: 3 UID: 0 PID: 319 Comm: rmmod Not tainted 6.16.0-rc2 #1 NONE\nHardware name: Radxa ROCK 5B (DT)\nCall trace:\nshow_stack+0x2c/0x84 (C)\ndump_stack_lvl+0x70/0x98\nprint_report+0x17c/0x538\nkasan_report+0xb8/0x190\n__asan_report_store8_noabort+0x20/0x2c\npci_epf_remove_cfs+0x17c/0x198\npci_epf_unregister_driver+0x18/0x30\nnvmet_pci_epf_cleanup_module+0x24/0x30 [nvmet_pci_epf]\n__arm64_sys_delete_module+0x264/0x424\ninvoke_syscall+0x70/0x260\nel0_svc_common.constprop.0+0xac/0x230\ndo_el0_svc+0x40/0x58\nel0_svc+0x48/0xdc\nel0t_64_sync_handler+0x10c/0x138\nel0t_64_sync+0x198/0x19c\n...\n\nRemove this incorrect list_del() call from pci_epf_remove_cfs().\n\n## Affected\n\n- `Linux >= ef1433f717a2c63747a519d86965d73ff9bd08b3 < 80ea6e6904fb2ba4ccb5d909579988466ec65358`\n- `Linux >= ef1433f717a2c63747a519d86965d73ff9bd08b3 < d5aecddc3452371d9da82cdbb0c715812524b54b`\n- `Linux >= ef1433f717a2c63747a519d86965d73ff9bd08b3 < dc4ffbd571716ff3b171418fb03abe80e720a7b1`\n- `Linux >= ef1433f717a2c63747a519d86965d73ff9bd08b3 < 409af8b9f7b4f23cd0464e71c6cd6fe13c076ae2`\n- `Linux >= ef1433f717a2c63747a519d86965d73ff9bd08b3 < 0758862386f114d9ab1e23181461bd1e2e9ec4c6`\n- `Linux >= ef1433f717a2c63747a519d86965d73ff9bd08b3 < 6cf65505523224cab1449d726d2ce8180c2941ee`\n- `Linux >= ef1433f717a2c63747a519d86965d73ff9bd08b3 < a302bd89db35d8b7e279de4d2b41c16c7f191069`\n- `Linux >= ef1433f717a2c63747a519d86965d73ff9bd08b3 < d79123d79a8154b4318529b7b2ff7e15806f480b`\n- `Linux 4.18`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}