[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-CVE-2024-46830":6},{"stargazers_count":4,"fetched_at":5},7,"2026-07-31T03:17:55.401Z",{"id":7,"descriptions":8,"cisa":9,"weaknesses":10,"exploits":18,"aliases":19,"duplicate_of":9,"upstream":20,"downstream":21,"duplicates":82,"related":83,"reserved_at":9,"published_at":95,"modified_at":96,"state":97,"summary":98,"references_raw":107,"kevs":136,"epss":137,"epss_history":140,"metrics":401,"affected":407},"CVE-2024-46830","In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: x86: Acquire kvm->srcu when handling KVM_SET_VCPU_EVENTS\n\nGrab kvm->srcu when processing KVM_SET_VCPU_EVENTS, as KVM will forcibly\nleave nested VMX/SVM if SMM mode is being toggled, and leaving nested VMX\nreads guest memory.\n\nNote, kvm_vcpu_ioctl_x86_set_vcpu_events() can also be called from KVM_RUN\nvia sync_regs(), which already holds SRCU.  I.e. trying to precisely use\nkvm_vcpu_srcu_read_lock() around the problematic SMM code would cause\nproblems.  Acquiring SRCU isn't all that expensive, so for simplicity,\ngrab it unconditionally for KVM_SET_VCPU_EVENTS.\n\n =============================\n WARNING: suspicious RCU usage\n 6.10.0-rc7-332d2c1d713e-next-vm #552 Not tainted\n -----------------------------\n include/linux/kvm_host.h:1027 suspicious rcu_dereference_check() usage!\n\n other info that might help us debug this:\n\n rcu_scheduler_active = 2, debug_locks = 1\n 1 lock held by repro/1071:\n  #0: ffff88811e424430 (&vcpu->mutex){+.+.}-{3:3}, at: kvm_vcpu_ioctl+0x7d/0x970 [kvm]\n\n stack backtrace:\n CPU: 15 PID: 1071 Comm: repro Not tainted 6.10.0-rc7-332d2c1d713e-next-vm #552\n Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 0.0.0 02/06/2015\n Call Trace:\n  \u003CTASK>\n  dump_stack_lvl+0x7f/0x90\n  lockdep_rcu_suspicious+0x13f/0x1a0\n  kvm_vcpu_gfn_to_memslot+0x168/0x190 [kvm]\n  kvm_vcpu_read_guest+0x3e/0x90 [kvm]\n  nested_vmx_load_msr+0x6b/0x1d0 [kvm_intel]\n  load_vmcs12_host_state+0x432/0xb40 [kvm_intel]\n  vmx_leave_nested+0x30/0x40 [kvm_intel]\n  kvm_vcpu_ioctl_x86_set_vcpu_events+0x15d/0x2b0 [kvm]\n  kvm_arch_vcpu_ioctl+0x1107/0x1750 [kvm]\n  ? mark_held_locks+0x49/0x70\n  ? kvm_vcpu_ioctl+0x7d/0x970 [kvm]\n  ? kvm_vcpu_ioctl+0x497/0x970 [kvm]\n  kvm_vcpu_ioctl+0x497/0x970 [kvm]\n  ? lock_acquire+0xba/0x2d0\n  ? find_held_lock+0x2b/0x80\n  ? do_user_addr_fault+0x40c/0x6f0\n  ? lock_release+0xb7/0x270\n  __x64_sys_ioctl+0x82/0xb0\n  do_syscall_64+0x6c/0x170\n  entry_SYSCALL_64_after_hwframe+0x4b/0x53\n RIP: 0033:0x7ff11eb1b539\n  \u003C/TASK>",null,[11],{"_key":12,"id":12,"name":13,"description":14,"type":15,"status":16,"abstraction":9,"likelihood_of_exploit":9,"capec":17},"NVD-CWE-NOINFO","Insufficient Information","NVD uses this CWE ID when there is insufficient information to assign a specific 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