[El-errata] ELSA-2018-4214 Important: Oracle Linux 6 Unbreakable Enterprise kernel security update

[Errata Announcements for Oracle Linux]

Oracle Linux Security Advisory ELSA-2018-4214

http://linux.oracle.com/errata/ELSA-2018-4214.html

The following updated rpms for Oracle Linux 6 have been uploaded to the 
Unbreakable Linux Network:

i386:
kernel-uek-2.6.39-400.301.1.el6uek.i686.rpm
kernel-uek-debug-2.6.39-400.301.1.el6uek.i686.rpm
kernel-uek-debug-devel-2.6.39-400.301.1.el6uek.i686.rpm
kernel-uek-devel-2.6.39-400.301.1.el6uek.i686.rpm
kernel-uek-doc-2.6.39-400.301.1.el6uek.noarch.rpm
kernel-uek-firmware-2.6.39-400.301.1.el6uek.noarch.rpm

x86_64:
kernel-uek-firmware-2.6.39-400.301.1.el6uek.noarch.rpm
kernel-uek-doc-2.6.39-400.301.1.el6uek.noarch.rpm
kernel-uek-2.6.39-400.301.1.el6uek.x86_64.rpm
kernel-uek-devel-2.6.39-400.301.1.el6uek.x86_64.rpm
kernel-uek-debug-devel-2.6.39-400.301.1.el6uek.x86_64.rpm
kernel-uek-debug-2.6.39-400.301.1.el6uek.x86_64.rpm


SRPMS:
http://oss.oracle.com/ol6/SRPMS-updates/kernel-uek-2.6.39-400.301.1.el6uek.src.rpm



Description of changes:

[2.6.39-400.301.1.el6uek]
- 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}
- Disable kaiser if the cpu is not vulnerable to X86_BUG_CPU_MELTDOWN 
(Kanth Ghatraju)  [Orabug: 28001909]
- x86/pti: Do not enable PTI on CPUs which are not vulnerable to 
Meltdown (David Woodhouse)  [Orabug: 28001909]
- x86/msr: Add definitions for IA32_ARCH_CAPABILITIES MSR (David 
Woodhouse)  [Orabug: 28001909]
- Add driver auto probing for x86 features v4 (Andi Kleen)  [Orabug: 
28001909]
- mm/mempolicy: fix use after free when calling get_mempolicy (zhong 
jiang)  [Orabug: 28022110]  {CVE-2018-10675}
- xen-netback: do not requeue skb if xenvif is already disconnected 
(Dongli Zhang)  [Orabug: 28247698]
- posix-timer: Properly check sigevent->sigev_notify (Thomas Gleixner) 
[Orabug: 28481397]  {CVE-2017-18344}