The remote Oracle Linux 5 / 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2018-4214 advisory.

    - x86/speculation/l1tf: Fix overflow in l1tf_pfn_limit() on 32bit (Vlastimil Babka)  [Orabug: 28505519]     {CVE-2018-3620}
    - x86/speculation/l1tf: Exempt zeroed PTEs from inversion (Sean Christopherson)  [Orabug: 28505519]     {CVE-2018-3620}
    - x86/speculation/l1tf: Protect PAE swap entries against L1TF (Vlastimil Babka)  [Orabug: 28505519]     {CVE-2018-3620}
    - x86/speculation/l1tf: Extend 64bit swap file size limit (Vlastimil Babka)  [Orabug: 28505519]     {CVE-2018-3620}
    - mm, fremap: mitigate L1TF in remap_file_pages (Daniel Jordan)  [Orabug: 28505519]  {CVE-2018-3620}
    - x86/speculation: Don't mark cpu_no_l1tf __initconst (Boris Ostrovsky)  [Orabug: 28505519]     {CVE-2018-3620}
    - x86/mm/kmmio: Make the tracer robust against L1TF (Andi Kleen)  [Orabug: 28505519]  {CVE-2018-3620}
    - x86/speculation/l1tf: Make pmd/pud_mknotpresent() invert (Andi Kleen)  [Orabug: 28505519]     {CVE-2018-3620}
    - x86/speculation/l1tf: Invert all not present mappings (Andi Kleen)  [Orabug: 28505519]  {CVE-2018-3620}
    - x86/bugs: Move the l1tf function and define pr_fmt properly (Konrad Rzeszutek Wilk)  [Orabug: 28505519]     {CVE-2018-3620}
    - x86/speculation/l1tf: Limit swap file size to MAX_PA/2 (Andi Kleen)  [Orabug: 28505519]  {CVE-2018-3620}
    - x86/speculation/l1tf: Disallow non privileged high MMIO PROT_NONE mappings (Andi Kleen)  [Orabug:
    28505519]  {CVE-2018-3620}
    - mm/pagewalk.c: prevent positive return value of walk_page_test() from being passed to callers (Naoya     Horiguchi)  [Orabug: 28505519]  {CVE-2018-3620}
    - mm: pagewalk: fix misbehavior of walk_page_range for vma(VM_PFNMAP) (Naoya Horiguchi)  [Orabug:
    28505519]  {CVE-2018-3620}
    - pagewalk: improve vma handling (Naoya Horiguchi)  [Orabug: 28505519]  {CVE-2018-3620}
    - mm/pagewalk: remove pgd_entry() and pud_entry() (Naoya Horiguchi)  [Orabug: 28505519]  {CVE-2018-3620}
    - mm/pagewalk.c: fix walk_page_range() access of wrong PTEs (Chen LinX)  [Orabug: 28505519]     {CVE-2018-3620}
    - mm/pagewalk.c: walk_page_range should avoid VM_PFNMAP areas (Cliff Wickman)  [Orabug: 28505519]     {CVE-2018-3620}
    - pagewalk: don't look up vma if walk->hugetlb_entry is unused (KOSAKI Motohiro)  [Orabug: 28505519]     {CVE-2018-3620}
    - x86/speculation/l1tf: Add sysfs reporting for l1tf (Andi Kleen)  [Orabug: 28505519]  {CVE-2018-3620}
    - x86/bugs: Concentrate bug reporting into a separate function (Konrad Rzeszutek Wilk)  [Orabug: 28505519]     {CVE-2018-3620}
    - x86/bugs: Concentrate bug detection into a separate function (Konrad Rzeszutek Wilk)  [Orabug: 28505519]     {CVE-2018-3620}
    - x86/cpufeature: Add X86_FEATURE_IA32_ARCH_CAPS and X86_FEATURE_IBRS_ATT (Konrad Rzeszutek Wilk)     [Orabug: 28505519]  {CVE-2018-3620}
    - x86/speculation/l1tf: Make sure the first page is always reserved (Andi Kleen)  [Orabug: 28505519]     {CVE-2018-3620}
    - x86/speculation/l1tf: Fix up pte->pfn conversion for PAE (Michal Hocko)  [Orabug: 28505519]     {CVE-2018-3620}
    - x86/speculation/l1tf: Protect PROT_NONE PTEs against speculation (Andi Kleen)  [Orabug: 28505519]     {CVE-2018-3620}
    - x86/speculation/l1tf: Protect swap entries against L1TF (Linus Torvalds)  [Orabug: 28505519]     {CVE-2018-3620}
    - x86/speculation/l1tf: Change order of offset/type in swap entry (Linus Torvalds)  [Orabug: 28505519]     {CVE-2018-3620}
    - x86/mm: Fix swap entry comment and macro (Dave Hansen)  [Orabug: 28505519]  {CVE-2018-3620}
    - x86/mm: Move swap offset/type up in PTE to work around erratum (Dave Hansen)  [Orabug: 28505519]     {CVE-2018-3620}
    - mm: x86 pgtable: drop unneeded preprocessor ifdef (Cyrill Gorcunov)  [Orabug: 28505519]  {CVE-2018-3620}
    - x86/speculation/l1tf: Increase 32bit PAE __PHYSICAL_PAGE_SHIFT (Andi Kleen)  [Orabug: 28505519]     {CVE-2018-3620}
    - x86/mm: Fix regression with huge pages on PAE (Kirill A. Shutemov)  [Orabug: 28505519]  {CVE-2018-3620}
    - x86/asm: Fix pud/pmd interfaces to handle large PAT bit (Toshi Kani)  [Orabug: 28505519]     {CVE-2018-3620}
    - x86/asm: Add pud/pmd mask interfaces to handle large PAT bit (Toshi Kani)  [Orabug: 28505519]     {CVE-2018-3620}
    - x86/asm: Move PUD_PAGE macros to page_types.h (Toshi Kani)  [Orabug: 28505519]  {CVE-2018-3620}
    - x86/cpufeature: uniquely define *IA32_ARCH_CAPS and *IBRS_ATT (Daniel Jordan)  [Orabug: 28505519]     {CVE-2018-3620}
    - mm/mempolicy: fix use after free when calling get_mempolicy (zhong jiang)  [Orabug: 28022110]     {CVE-2018-10675}

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Detections

Analytics

Oracle Linux 5 / 6 : Unbreakable Enterprise kernel (ELSA-2018-4214)

high Nessus Plugin ID 117513

Version 1.15