[El-errata] ELSA-2018-0007 Important: Oracle Linux 7 kernel security update

Errata Announcements for Oracle Linux el-errata at oss.oracle.com
Thu Jan 4 14:53:36 PST 2018 

Oracle Linux Security Advisory ELSA-2018-0007

http://linux.oracle.com/errata/ELSA-2018-0007.html

The following updated rpms for Oracle Linux 7 have been uploaded to the 
Unbreakable Linux Network:

x86_64:
kernel-3.10.0-693.11.6.el7.x86_64.rpm
kernel-abi-whitelists-3.10.0-693.11.6.el7.noarch.rpm
kernel-debug-3.10.0-693.11.6.el7.x86_64.rpm
kernel-debug-devel-3.10.0-693.11.6.el7.x86_64.rpm
kernel-devel-3.10.0-693.11.6.el7.x86_64.rpm
kernel-doc-3.10.0-693.11.6.el7.noarch.rpm
kernel-headers-3.10.0-693.11.6.el7.x86_64.rpm
kernel-tools-3.10.0-693.11.6.el7.x86_64.rpm
kernel-tools-libs-3.10.0-693.11.6.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-693.11.6.el7.x86_64.rpm
perf-3.10.0-693.11.6.el7.x86_64.rpm
python-perf-3.10.0-693.11.6.el7.x86_64.rpm


SRPMS:
http://oss.oracle.com/ol7/SRPMS-updates/kernel-3.10.0-693.11.6.el7.src.rpm



Description of changes:

[3.10.0-693.11.6.el7.OL7]
- Oracle Linux certificates (Alexey Petrenko)
- Oracle Linux RHCK Module Signing Key was compiled into kernel 
(olkmod_signing_key.x509)(alexey.petrenko at oracle.com)
- Update x509.genkey [bug 24817676]

[3.10.0-693.11.6.el7]
- [x86] spec_ctrl: Eliminate redundant FEATURE Not Present messages 
(Andrea Arcangeli) [1519795 1519798] {CVE-2017-5715}
- [x86] mm/kaiser: init_tss is supposed to go in the PAGE_ALIGNED 
per-cpu section (Andrea Arcangeli) [1519795 1519798] {CVE-2017-5715}
- [x86] spec_ctrl: svm: spec_ctrl at vmexit needs per-cpu areas 
functional (Andrea Arcangeli) [1519795 1519798] {CVE-2017-5715}
- [x86] kaiser/mm: skip IBRS/CR3 restore when paranoid exception returns 
to userland (Andrea Arcangeli) [1519795 1519798] {CVE-2017-5715}
- [x86] kaiser/mm: consider the init_mm.pgd a kaiser pgd (Andrea 
Arcangeli) [1519795 1519798] {CVE-2017-5715}

[3.10.0-693.11.5.el7]
- [x86] kaiser/mm: convert userland visible "kpti" name to "pti" (Andrea 
Arcangeli) [1519795 1519798]
- Revert "x86/entry: Use retpoline for syscall's indirect calls" (Andrea 
Arcangeli) [1519795 1519798]
- [x86] spec_ctrl: set IBRS during resume from RAM if ibrs_enabled is 2 
(Andrea Arcangeli) [1519795 1519798]
- [x86] kaiser/mm: __load_cr3 in resume from RAM after kernel gs has 
been restored (Andrea Arcangeli) [1519795 1519798]

[3.10.0-693.11.4.el7]
- [x86] spec_ctrl: allow use_ibp_disable only if both SPEC_CTRL and 
IBPB_SUPPORT are missing (Andrea Arcangeli) [1519795 1519798]
- [x86] spec_ctrl: Documentation spec_ctrl.txt (Andrea Arcangeli) 
[1519795 1519798]
- [x86] spec_ctrl: remove irqs_disabled() check from intel_idle() 
(Andrea Arcangeli) [1519795 1519798]
- [x86] spec_ctrl: use enum when setting ibrs/ibpb_enabled (Andrea 
Arcangeli) [1519795 1519798]
- [x86] spec_ctrl: undo speculation barrier for ibrs_enabled and 
noibrs_cmdline (Andrea Arcangeli) [1519795 1519798]
- [x86] spec_ctrl: introduce ibpb_enabled = 2 for IBPB instead of IBRS 
(Andrea Arcangeli) [1519795 1519798]
- [x86] spec_ctrl: introduce SPEC_CTRL_PCP_ONLY_IBPB (Andrea Arcangeli) 
[1519795 1519798]
- [x86] spec_ctrl: cleanup s/flush/sync/ naming when sending IPIs 
(Andrea Arcangeli) [1519795 1519798]
- [x86] spec_ctrl: set IBRS during CPU init if in ibrs_enabled == 2 
(Andrea Arcangeli) [1519795 1519798]
- [x86] spec_ctrl: use IBRS_ENABLED instead of 1 (Andrea Arcangeli) 
[1519795 1519798]
- [x86] spec_ctrl: allow the IBP disable feature to be toggled at 
runtime (Andrea Arcangeli) [1519795 1519798]
- [x86] spec_ctrl: always initialize save_reg in 
ENABLE_IBRS_SAVE_AND_CLOBBER (Andrea Arcangeli) [1519795 1519798]
- [x86] spec_ctrl: ibrs_enabled() is expected to return > 1 (Andrea 
Arcangeli) [1519795 1519798]
- [x86] spec_ctrl: issue a __spec_ctrl_ibpb if a credential check isn't 
possible (Andrea Arcangeli) [1519795 1519798]
- [x86] mm/kaiser: disable global pages by default with KAISER (Andrea 
Arcangeli) [1519795 1519798]
- Revert "x86/mm/kaiser: Disable global pages by default with KAISER" 
(Andrea Arcangeli) [1519795 1519798]
- ibpb: don't optimize spec_cntrl_ibpb on PREEMPT_RCU (Andrea Arcangeli) 
[1519795 1519798]
- [x86] spec_ctrl: clear registers after 32bit syscall stackframe is 
setup (Andrea Arcangeli) [1519800 1519801]
- [x86] spec_ctrl: reload spec_ctrl cpuid in all microcode load paths 
(Andrea Arcangeli) [1519800 1519801]
- [x86] kaiser/mm: fix pgd freeing in error path (Andrea Arcangeli) 
[1519800 1519801]

[3.10.0-693.11.3.el7]
- [x86] spec_ctrl: Prevent unwanted speculation without IBRS (Josh 
Poimboeuf) [1519795 1519798] {CVE-2017-5715 CVE-2017-5754}
- [x86] entry: Remove trampoline check from paranoid entry path (Josh 
Poimboeuf) [1519795 1519798] {CVE-2017-5715 CVE-2017-5754}
- [x86] entry: Fix paranoid_exit() trampoline clobber (Josh Poimboeuf) 
[1519795 1519798] {CVE-2017-5715 CVE-2017-5754}
- [x86] entry: Simplify trampoline stack restore code (Josh Poimboeuf) 
[1519795 1519798] {CVE-2017-5715 CVE-2017-5754}
- [x86] dumpstack: Remove raw stack dump (Josh Poimboeuf) [1519795 1519798]
- [x86] spec_ctrl: remove SPEC_CTRL_DEBUG code (Josh Poimboeuf) [1519795 
1519798] {CVE-2017-5715}
- [x86] spec_ctrl: add noibrs noibpb boot options (Josh Poimboeuf) 
[1519795 1519798] {CVE-2017-5715}
- [x86] entry: Use retpoline for syscall's indirect calls (Josh 
Poimboeuf) [1519795 1519798] {CVE-2017-5715}
- [x86] syscall: Clear unused extra registers on 32-bit compatible 
syscall entrance (Josh Poimboeuf) [1519795 1519798] {CVE-2017-5715}
- [x86] spec_ctrl: cleanup unnecessary ptregscall_common function (Josh 
Poimboeuf) [1519795 1519798] {CVE-2017-5715}
- [x86] spec_ctrl: CLEAR_EXTRA_REGS and extra regs save/restore (Josh 
Poimboeuf) [1519795 1519798] {CVE-2017-5715}
- [x86] syscall: Clear unused extra registers on syscall entrance (Josh 
Poimboeuf) [1519795 1519798] {CVE-2017-5715}
- [x86] spec_ctrl: rescan cpuid after a late microcode update (Josh 
Poimboeuf) [1519795 1519798] {CVE-2017-5715}
- [x86] spec_ctrl: add debugfs ibrs_enabled ibpb_enabled (Josh 
Poimboeuf) [1519795 1519798] {CVE-2017-5715}
- [x86] spec_ctrl: consolidate the spec control boot detection (Josh 
Poimboeuf) [1519795 1519798] {CVE-2017-5715}
- [x86] KVM/spec_ctrl: allow IBRS to stay enabled in host userland (Josh 
Poimboeuf) [1519795 1519798] {CVE-2017-5715}
- [x86] spec_ctrl: add debug aid to test the entry code without 
microcode (Josh Poimboeuf) [1519795 1519798] {CVE-2017-5715}
- [x86] spec_ctrl: move stuff_RSB in spec_ctrl.h (Josh Poimboeuf) 
[1519795 1519798] {CVE-2017-5715}
- [x86] entry: Stuff RSB for entry to kernel for non-SMEP platform (Josh 
Poimboeuf) [1519795 1519798] {CVE-2017-5715}
- [x86] mm: Only set IBPB when the new thread cannot ptrace current 
thread (Josh Poimboeuf) [1519795 1519798] {CVE-2017-5715}
- [x86] mm: Set IBPB upon context switch (Josh Poimboeuf) [1519795 
1519798] {CVE-2017-5715}
- [x86] idle: Disable IBRS when offlining cpu and re-enable on wakeup 
(Josh Poimboeuf) [1519795 1519798] {CVE-2017-5715}
- [x86] idle: Disable IBRS entering idle and enable it on wakeup (Josh 
Poimboeuf) [1519795 1519798] {CVE-2017-5715}
- [x86] spec_ctrl: implement spec ctrl C methods (Josh Poimboeuf) 
[1519795 1519798] {CVE-2017-5715}
- [x86] spec_ctrl: save IBRS MSR value in save_paranoid for NMI (Josh 
Poimboeuf) [1519795 1519798] {CVE-2017-5715}
- [x86] enter: Use IBRS on syscall and interrupts (Josh Poimboeuf) 
[1519795 1519798] {CVE-2017-5715}
- [x86] spec_ctrl: swap rdx with rsi for nmi nesting detection (Josh 
Poimboeuf) [1519795 1519798] {CVE-2017-5715}
- [x86] spec_ctrl: spec_ctrl_pcp and kaiser_enabled_pcp in same cachline 
(Josh Poimboeuf) [1519795 1519798] {CVE-2017-5715}
- [x86] spec_ctrl: use per-cpu knob instead of ALTERNATIVES for ibpb and 
ibrs (Josh Poimboeuf) [1519795 1519798] {CVE-2017-5715}
- [x86] enter: MACROS to set/clear IBRS and set IBPB (Josh Poimboeuf) 
[1519795 1519798] {CVE-2017-5715}
- [kvm] x86: add SPEC_CTRL to MSR and CPUID lists (Josh Poimboeuf) 
[1519795 1519798] {CVE-2017-5715}
- [kvm] svm: add MSR_IA32_SPEC_CTRL and MSR_IA32_PRED_CMD (Josh 
Poimboeuf) [1519795 1519798] {CVE-2017-5715}
- [x86] svm: Set IBPB when running a different VCPU (Josh Poimboeuf) 
[1519795 1519798] {CVE-2017-5715}
- [kvm] vmx: add MSR_IA32_SPEC_CTRL and MSR_IA32_PRED_CMD (Josh 
Poimboeuf) [1519795 1519798] {CVE-2017-5715}
- [kvm] vmx: Set IBPB when running a different VCPU (Josh Poimboeuf) 
[1519795 1519798] {CVE-2017-5715}
- [kvm] x86: clear registers on VM exit (Josh Poimboeuf) [1519795 
1519798] {CVE-2017-5715}
- [x86] kvm: pad RSB on VM transition (Josh Poimboeuf) [1519795 1519798] 
{CVE-2017-5715}
- [x86] cpu/AMD: Control indirect branch predictor when SPEC_CTRL not 
available (Josh Poimboeuf) [1519795 1519798] {CVE-2017-5715}
- [x86] feature: Report presence of IBPB and IBRS control (Josh 
Poimboeuf) [1519795 1519798] {CVE-2017-5715}
- [x86] feature: Enable the x86 feature to control Speculation (Josh 
Poimboeuf) [1519795 1519798] {CVE-2017-5715}
- [tools] objtool: Don't print 'call dest' warnings for ignored 
functions (Josh Poimboeuf) [1519795 1519798] {CVE-2017-5715}
- [misc] locking/barriers: prevent speculative execution based on 
Coverity scan results (Josh Poimboeuf) [1519788 1519786] {CVE-2017-5753}
- [fs] udf: prevent speculative execution (Josh Poimboeuf) [1519788 
1519786] {CVE-2017-5753}
- [fs] prevent speculative execution (Josh Poimboeuf) [1519788 1519786] 
{CVE-2017-5753}
- [kernel] userns: prevent speculative execution (Josh Poimboeuf) 
[1519788 1519786] {CVE-2017-5753}
- [scsi] qla2xxx: prevent speculative execution (Josh Poimboeuf) 
[1519788 1519786] {CVE-2017-5753}
- [netdrv] p54: prevent speculative execution (Josh Poimboeuf) [1519788 
1519786] {CVE-2017-5753}
- [netdrv] carl9170: prevent speculative execution (Josh Poimboeuf) 
[1519788 1519786] {CVE-2017-5753}
- [media] uvcvideo: prevent speculative execution (Josh Poimboeuf) 
[1519788 1519786] {CVE-2017-5753}
- [x86] cpu/AMD: Remove now unused definition of MFENCE_RDTSC feature 
(Josh Poimboeuf) [1519788 1519786] {CVE-2017-5753}
- [x86] cpu/AMD: Make the LFENCE instruction serialized (Josh Poimboeuf) 
[1519788 1519786] {CVE-2017-5753}
- [misc] locking/barriers: introduce new memory barrier gmb() (Josh 
Poimboeuf) [1519788 1519786] {CVE-2017-5753}
- [x86] mm/kaiser: Replace kaiser with kpti to sync with upstream (Josh 
Poimboeuf) [1519800 1519801] {CVE-2017-5754}
- [x86] mm/kaiser: add "kaiser" and "nokaiser" boot options (Josh 
Poimboeuf) [1519800 1519801] {CVE-2017-5754}
- [x86] mm/kaiser: map the trace idt tables in userland shadow pgd (Josh 
Poimboeuf) [1519800 1519801] {CVE-2017-5754}
- [x86] mm/kaiser: fix RESTORE_CR3 crash in kaiser_stop_machine (Josh 
Poimboeuf) [1519800 1519801] {CVE-2017-5754}
- [x86] mm/kaiser: use stop_machine for enable/disable knob (Josh 
Poimboeuf) [1519800 1519801] {CVE-2017-5754}
- [x86] mm/kaiser: use atomic ops to poison/unpoison user pagetables 
(Josh Poimboeuf) [1519800 1519801] {CVE-2017-5754}
- [x86] mm/kaiser: use invpcid to flush the two kaiser PCID AISD (Josh 
Poimboeuf) [1519800 1519801] {CVE-2017-5754}
- [x86] mm/kaiser: use two PCID ASIDs optimize the TLB during enter/exit 
kernel (Josh Poimboeuf) [1519800 1519801] {CVE-2017-5754}
- [x86] mm/kaiser: stop patching flush_tlb_single (Josh Poimboeuf) 
[1519800 1519801] {CVE-2017-5754}
- [x86] mm/kaiser: use PCID feature to make user and kernel switches 
faster (Josh Poimboeuf) [1519800 1519801] {CVE-2017-5754}
- [x86] mm: If INVPCID is available, use it to flush global mappings 
(Josh Poimboeuf) [1519800 1519801] {CVE-2017-5754}
- [x86] mm/64: Fix reboot interaction with CR4.PCIDE (Josh Poimboeuf) 
[1519800 1519801] {CVE-2017-5754}
- [x86] mm/64: Initialize CR4.PCIDE early (Josh Poimboeuf) [1519800 
1519801] {CVE-2017-5754}
- [x86] mm: Add a 'noinvpcid' boot option to turn off INVPCID (Josh 
Poimboeuf) [1519800 1519801] {CVE-2017-5754}
- [x86] mm: Add the 'nopcid' boot option to turn off PCID (Josh 
Poimboeuf) [1519800 1519801] {CVE-2017-5754}
- [x86] mm/kaiser: validate trampoline stack (Josh Poimboeuf) [1519800 
1519801] {CVE-2017-5754}
- [x86] entry: Move SYSENTER_stack to the beginning of struct tss_struct 
(Josh Poimboeuf) [1519800 1519801] {CVE-2017-5754}
- [x86] mm/kaiser: isolate the user mapped per cpu areas (Josh 
Poimboeuf) [1519800 1519801] {CVE-2017-5754}
- [x86] mm/kaiser: enable kaiser in build (Josh Poimboeuf) [1519800 
1519801] {CVE-2017-5754}
- [x86] mm/kaiser: selective boot time defaults (Josh Poimboeuf) 
[1519800 1519801] {CVE-2017-5754}
- [x86] mm/kaiser: handle call to xen_pv_domain() on PREEMPT_RT (Josh 
Poimboeuf) [1519800 1519801] {CVE-2017-5754}
- [x86] mm/kaiser/xen: Dynamically disable KAISER when running under Xen 
PV (Josh Poimboeuf) [1519800 1519801] {CVE-2017-5754}
- [x86] mm/kaiser: add Kconfig (Josh Poimboeuf) [1519800 1519801] 
{CVE-2017-5754}
- [x86] mm/kaiser: avoid false positives during non-kaiser pgd updates 
(Josh Poimboeuf) [1519800 1519801] {CVE-2017-5754}
- [x86] mm/kaiser: Respect disabled CPU features (Josh Poimboeuf) 
[1519800 1519801] {CVE-2017-5754}
- [x86] mm/kaiser: trampoline stack comments (Josh Poimboeuf) [1519800 
1519801] {CVE-2017-5754}
- [x86] mm/kaiser: stack trampoline (Josh Poimboeuf) [1519800 1519801] 
{CVE-2017-5754}
- [x86] mm/kaiser: remove paravirt clock warning (Josh Poimboeuf) 
[1519800 1519801] {CVE-2017-5754}
- [x86] mm/kaiser: re-enable vsyscalls (Josh Poimboeuf) [1519800 
1519801] {CVE-2017-5754}
- [x86] mm/kaiser: allow to build KAISER with KASRL (Josh Poimboeuf) 
[1519800 1519801] {CVE-2017-5754}
- [x86] mm/kaiser: allow KAISER to be enabled/disabled at runtime (Josh 
Poimboeuf) [1519800 1519801] {CVE-2017-5754}
- [x86] mm/kaiser: un-poison PGDs at runtime (Josh Poimboeuf) [1519800 
1519801] {CVE-2017-5754}
- [x86] mm/kaiser: add a function to check for KAISER being enabled 
(Josh Poimboeuf) [1519800 1519801] {CVE-2017-5754}
- [x86] mm/kaiser: add debugfs file to turn KAISER on/off at runtime 
(Josh Poimboeuf) [1519800 1519801] {CVE-2017-5754}
- [x86] mm/kaiser: disable native VSYSCALL (Josh Poimboeuf) [1519800 
1519801] {CVE-2017-5754}
- [x86] mm/kaiser: map virtually-addressed performance monitoring 
buffers (Josh Poimboeuf) [1519800 1519801] {CVE-2017-5754}
- [x86] mm/kaiser: map debug IDT tables (Josh Poimboeuf) [1519800 
1519801] {CVE-2017-5754}
- [x86] mm/kaiser: add kprobes text section (Josh Poimboeuf) [1519800 
1519801] {CVE-2017-5754}
- [x86] mm/kaiser: map trace interrupt entry (Josh Poimboeuf) [1519800 
1519801] {CVE-2017-5754}
- [x86] mm/kaiser: map entry stack per-cpu areas (Josh Poimboeuf) 
[1519800 1519801] {CVE-2017-5754}
- [x86] mm/kaiser: map dynamically-allocated LDTs (Josh Poimboeuf) 
[1519800 1519801] {CVE-2017-5754}
- [x86] mm/kaiser: make sure static PGDs are 8k in size (Josh Poimboeuf) 
[1519800 1519801] {CVE-2017-5754}
- [x86] mm/kaiser: allow NX poison to be set in p4d/pgd (Josh Poimboeuf) 
[1519800 1519801] {CVE-2017-5754}
- [x86] mm/kaiser: unmap kernel from userspace page tables (core patch) 
(Josh Poimboeuf) [1519800 1519801] {CVE-2017-5754}
- [x86] mm/kaiser: mark per-cpu data structures required for entry/exit 
(Josh Poimboeuf) [1519800 1519801] {CVE-2017-5754}
- [x86] mm/kaiser: introduce user-mapped per-cpu areas (Josh Poimboeuf) 
[1519800 1519801] {CVE-2017-5754}
- [x86] mm/kaiser: add cr3 switches to entry code (Josh Poimboeuf) 
[1519800 1519801] {CVE-2017-5754}
- [x86] mm/kaiser: remove scratch registers (Josh Poimboeuf) [1519800 
1519801] {CVE-2017-5754}
- [x86] mm/kaiser: prepare assembly for entry/exit CR3 switching (Josh 
Poimboeuf) [1519800 1519801] {CVE-2017-5754}
- [x86] mm/kaiser: Disable global pages by default with KAISER (Josh 
Poimboeuf) [1519800 1519801] {CVE-2017-5754}
- [x86] mm: Document X86_CR4_PGE toggling behavior (Josh Poimboeuf) 
[1519800 1519801] {CVE-2017-5754}
- [x86] mm/tlb: Make CR4-based TLB flushes more robust (Josh Poimboeuf) 
[1519800 1519801] {CVE-2017-5754}
- [x86] mm: Do not set _PAGE_USER for init_mm page tables (Josh 
Poimboeuf) [1519800 1519801] {CVE-2017-5754}
- [x86] increase robusteness of bad_iret fixup handler (Josh Poimboeuf) 
[1519800 1519801] {CVE-2017-5754}
- [perf] x86/intel/uncore: Fix memory leaks on allocation failures (Josh 
Poimboeuf) [1519800 1519801] {CVE-2017-5754}
- [mm] userfaultfd: hugetlbfs: prevent UFFDIO_COPY to fill beyond the 
end of i_size (Josh Poimboeuf) [1519800 1519801] {CVE-2017-5754}
- [fs] userfaultfd: non-cooperative: fix fork use after free (Josh 
Poimboeuf) [1519800 1519801] {CVE-2017-5754}
- [mm] userfaultfd: hugetlbfs: remove superfluous page unlock in 
VM_SHARED case (Josh Poimboeuf) [1519800 1519801] {CVE-2017-5754}
- [mm] fix bad rss-counter if remap_file_pages raced migration (Josh 
Poimboeuf) [1519800 1519801] {CVE-2017-5754}

More information about the El-errata mailing list