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

  - In the Linux kernel, the following vulnerability has been resolved: mm/hwpoison: clear MF_COUNT_INCREASED     before retrying get_any_page() Hulk Robot reported a panic in put_page_testzero() when testing madvise()     with MADV_SOFT_OFFLINE. The BUG() is triggered when retrying get_any_page(). This is because we keep     MF_COUNT_INCREASED flag in second try but the refcnt is not increased. page dumped because:
    VM_BUG_ON_PAGE(page_ref_count(page) == 0) ------------[ cut here ]------------ kernel BUG at     include/linux/mm.h:737! invalid opcode: 0000 [#1] PREEMPT SMP CPU: 5 PID: 2135 Comm: sshd Tainted: G B     5.16.0-rc6-dirty #373 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1     04/01/2014 RIP: release_pages+0x53f/0x840 Call Trace: free_pages_and_swap_cache+0x64/0x80     tlb_flush_mmu+0x6f/0x220 unmap_page_range+0xe6c/0x12c0 unmap_single_vma+0x90/0x170 unmap_vmas+0xc4/0x180     exit_mmap+0xde/0x3a0 mmput+0xa3/0x250 do_exit+0x564/0x1470 do_group_exit+0x3b/0x100
    __do_sys_exit_group+0x13/0x20 __x64_sys_exit_group+0x16/0x20 do_syscall_64+0x34/0x80     entry_SYSCALL_64_after_hwframe+0x44/0xae Modules linked in: ---[ end trace e99579b570fe0649 ]--- RIP:
    0010:release_pages+0x53f/0x840 (CVE-2021-47090)

Note that Nessus relies on the presence of the package as reported by the vendor.

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Linux Distros Unpatched Vulnerability : CVE-2021-47090

medium Nessus Plugin ID 248158

Version 1.3

Version 1.2

Version 1.1

Version 1.3 Oct 3, 2026, 11:24 PM Detection (updated detection logic) Plugin metadata Plugin Feed: 202610032324
Version 1.2 Jul 18, 2026, 3:00 PM CVSS temporal metrics ("CVSSv2 temporal vector" set to "CVSS2#E:POC/RL:U/RC:C") CVSS temporal metrics ("CVSSv3 temporal vector" set to "CVSS:3.0/E:P/RL:U/RC:C") Detection (updated detection logic) Plugin Feed: 202607181500
Version 1.1 Aug 11, 2025, 11:36 PM New Plugin Feed: 202508112336