The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - VMCI: fix race between vmci_host_setup_notify and vmci_ctx_unset_notify During our test, it is found that     a warning can be trigger in try_grab_folio as follow: ------------[ cut here ]------------ WARNING: CPU: 0     PID: 1678 at mm/gup.c:147 try_grab_folio+0x106/0x130 Modules linked in: CPU: 0 UID: 0 PID: 1678 Comm:
    syz.3.31 Not tainted 6.15.0-rc5 #163 PREEMPT(undef) RIP: 0010:try_grab_folio+0x106/0x130 Call Trace:
    <TASK> follow_huge_pmd+0x240/0x8e0 follow_pmd_mask.constprop.0.isra.0+0x40b/0x5c0     follow_pud_mask.constprop.0.isra.0+0x14a/0x170 follow_page_mask+0x1c2/0x1f0 __get_user_pages+0x176/0x950
    __gup_longterm_locked+0x15b/0x1060 ? gup_fast+0x120/0x1f0 gup_fast_fallback+0x17e/0x230     get_user_pages_fast+0x5f/0x80 vmci_host_unlocked_ioctl+0x21c/0xf80 RIP: 0033:0x54d2cd ---[ end trace     0000000000000000 ]--- Digging into the source, context->notify_page may init by get_user_pages_fast and     can be seen in vmci_ctx_unset_notify which will try to put_page. However get_user_pages_fast is not     finished here and lead to following try_grab_folio warning. The race condition is shown as follow: cpu0     cpu1 vmci_host_do_set_notify vmci_host_setup_notify get_user_pages_fast(uva, 1, FOLL_WRITE,     &context->notify_page); lockless_pages_from_mm gup_pgd_range gup_huge_pmd // update &context->notify_page     vmci_host_do_set_notify vmci_ctx_unset_notify notify_page = context->notify_page; if (notify_page)     put_page(notify_page); // page is freed __gup_longterm_locked __get_user_pages follow_trans_huge_pmd     try_grab_folio // warn here To slove this, use local variable page to make notify_page can be seen after     finish get_user_pages_fast. (CVE-2025-38102)

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Linux Distros Unpatched Vulnerability : CVE-2025-38102

medium Nessus Plugin ID 246047

Version 1.1