{"cve":"CVE-2025-37754","nvd":{"published":"2025-05-01T13:15:54.157","modified":"2026-06-17T09:15:22.433","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/i915/huc: Fix fence not released on early probe errors\n\nHuC delayed loading fence, introduced with commit 27536e03271da\n(\"drm/i915/huc: track delayed HuC load with a fence\"), is registered with\nobject tracker early on driver probe but unregistered only from driver\nremove, which is not called on early probe errors.  Since its memory is\nallocated under devres, then released anyway, it may happen to be\nallocated again to the fence and reused on future driver probes, resulting\nin kernel warnings that taint the kernel:\n\n<4> [309.731371] ------------[ cut here ]------------\n<3> [309.731373] ODEBUG: init destroyed (active state 0) object: ffff88813d7dd2e0 object type: i915_sw_fence hint: sw_fence_dummy_notify+0x0/0x20 [i915]\n<4> [309.731575] WARNING: CPU: 2 PID: 3161 at lib/debugobjects.c:612 debug_print_object+0x93/0xf0\n...\n<4> [309.731693] CPU: 2 UID: 0 PID: 3161 Comm: i915_module_loa Tainted: G     U             6.14.0-CI_DRM_16362-gf0fd77956987+ #1\n...\n<4> [309.731700] RIP: 0010:debug_print_object+0x93/0xf0\n...\n<4> [309.731728] Call Trace:\n<4> [309.731730]  <TASK>\n...\n<4> [309.731949]  __debug_object_init+0x17b/0x1c0\n<4> [309.731957]  debug_object_init+0x34/0x50\n<4> [309.732126]  __i915_sw_fence_init+0x34/0x60 [i915]\n<4> [309.732256]  intel_huc_init_early+0x4b/0x1d0 [i915]\n<4> [309.732468]  intel_uc_init_early+0x61/0x680 [i915]\n<4> [309.732667]  intel_gt_common_init_early+0x105/0x130 [i915]\n<4> [309.732804]  intel_root_gt_init_early+0x63/0x80 [i915]\n<4> [309.732938]  i915_driver_probe+0x1fa/0xeb0 [i915]\n<4> [309.733075]  i915_pci_probe+0xe6/0x220 [i915]\n<4> [309.733198]  local_pci_probe+0x44/0xb0\n<4> [309.733203]  pci_device_probe+0xf4/0x270\n<4> [309.733209]  really_probe+0xee/0x3c0\n<4> [309.733215]  __driver_probe_device+0x8c/0x180\n<4> [309.733219]  driver_probe_device+0x24/0xd0\n<4> [309.733223]  __driver_attach+0x10f/0x220\n<4> [309.733230]  bus_for_each_dev+0x7d/0xe0\n<4> [309.733236]  driver_attach+0x1e/0x30\n<4> [309.733239]  bus_add_driver+0x151/0x290\n<4> [309.733244]  driver_register+0x5e/0x130\n<4> [309.733247]  __pci_register_driver+0x7d/0x90\n<4> [309.733251]  i915_pci_register_driver+0x23/0x30 [i915]\n<4> [309.733413]  i915_init+0x34/0x120 [i915]\n<4> [309.733655]  do_one_initcall+0x62/0x3f0\n<4> [309.733667]  do_init_module+0x97/0x2a0\n<4> [309.733671]  load_module+0x25ff/0x2890\n<4> [309.733688]  init_module_from_file+0x97/0xe0\n<4> [309.733701]  idempotent_init_module+0x118/0x330\n<4> [309.733711]  __x64_sys_finit_module+0x77/0x100\n<4> [309.733715]  x64_sys_call+0x1f37/0x2650\n<4> [309.733719]  do_syscall_64+0x91/0x180\n<4> [309.733763]  entry_SYSCALL_64_after_hwframe+0x76/0x7e\n<4> [309.733792]  </TASK>\n...\n<4> [309.733806] ---[ end trace 0000000000000000 ]---\n\nThat scenario is most easily reproducible with\nigt@i915_module_load@reload-with-fault-injection.\n\nFix the issue by moving the cleanup step to driver release path.\n\n(cherry picked from commit 795dbde92fe5c6996a02a5b579481de73035e7bf)","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":[],"references":["https://git.kernel.org/stable/c/4bd4bf79bcfe101f0385ab81dbabb6e3f7d96c00","https://git.kernel.org/stable/c/9f5ef4a5eaa61a7a4ed31231da45deb85065397a","https://git.kernel.org/stable/c/c5a906806162aea62dbe5d327760ce3b7117ca17","https://git.kernel.org/stable/c/e3ea2eae70692a455e256787e4f54153fb739b90","https://git.kernel.org/stable/c/f104ef4db9f8f3923cc06ed1fafb3da38df6006d"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:01:11.054312287+00:00"},"epss":{"cve":"CVE-2025-37754","score":0.00212,"percentile":0.11499,"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."]}