{"id":"CVE-2025-68173","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nftrace: Fix softlockup in ftrace_module_enable\n\nA soft lockup was observed when loading amdgpu module.\nIf a module has a lot of tracable functions, multiple calls\nto ka…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nftrace: Fix softlockup in ftrace_module_enable\n\nA soft lockup was observed when loading amdgpu module.\nIf a module has a lot of tracable functions, multiple calls\nto ka…","severity":"none","published":"2025-12-16","updated":"2026-10-14","sourceUpdated":"2026-10-14T13:10:00.187","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-68173","references":[{"url":"https://git.kernel.org/stable/c/4099b98203d6b33d990586542fa5beee408032a3","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/40c8ee40e48a2c82c762539952ed8fc0571db5bf","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7e3c96010ade29bb340a5bdce8675f50c7f59001","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a1dd0abd741a8111260676da729825d6c1461a71","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e81e6d6d99b16dae11adbeda5c996317942a940c","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd"],"epss":0.00201,"epssPercentile":0.09278,"ingestedAt":"2026-10-14T13:30:58.444Z","slug":"CVE-2025-68173","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nftrace: Fix softlockup in ftrace_module_enable\n\nA soft lockup was observed when loading amdgpu module.\nIf a module has a lot of tracable functions, multiple calls\nto kallsyms_lookup can spend too much time in RCU critical\nsection and with disabled preemption, causing kernel panic.\nThis is the same issue that was fixed in\ncommit d0b24b4e91fc (\"ftrace: Prevent RCU stall on PREEMPT_VOLUNTARY\nkernels\") and commit 42ea22e754ba (\"ftrace: Add cond_resched() to\nftrace_graph_set_hash()\").\n\nFix it the same way by adding cond_resched() in ftrace_module_enable.\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":[]}