[Oraclevm-errata] OVMSA-2018-0041 Important: Oracle VM 3.3 Unbreakable Enterprise kernel security update

Errata Announcements for Oracle VM oraclevm-errata at oss.oracle.com
Wed May 9 19:16:47 PDT 2018

Oracle VM Security Advisory OVMSA-2018-0041

The following updated rpms for Oracle VM 3.3 have been uploaded to the 
Unbreakable Linux Network:



Description of changes:

- x86/entry/64: Dont use IST entry for #BP stack (Andy Lutomirski) 

- perf/hwbp: Simplify the perf-hwbp code, fix documentation (Linus 
Torvalds)  [Orabug: 27947608]  {CVE-2018-100199}

- x86/microcode: probe CPU features on microcode update (Ankur Arora) 
[Orabug: 27806667]
- x86/microcode: microcode_write() should not reference boot_cpu_data 
(Ankur Arora)  [Orabug: 27806667]
- x86/cpufeatures: use cpu_data in init_scattered_cpuid_flags() (Ankur 
Arora)  [Orabug: 27806667]

- Drivers: hv: fcopy: set .owner reference for file operations (Joe Jin) 
  [Orabug: 21191022]
- ALSA: usb-audio: Kill stray URB at exiting (Takashi Iwai)  [Orabug: 
27148281]  {CVE-2017-16527}
- HID: usbhid: fix out-of-bounds bug (Jaejoong Kim)  [Orabug: 27207929] 
- [media] cx231xx-cards: fix NULL-deref on missing association 
descriptor (Johan Hovold)  [Orabug: 27208072]  {CVE-2017-16536}
- net: cdc_ether: fix divide by 0 on bad descriptors (Bjørn Mork) 
[Orabug: 27215201]  {CVE-2017-16649}
- x86/microcode/intel: Extend BDW late-loading with a revision check 
(Jia Zhang)  [Orabug: 27343577]
- x86/microcode/intel: Disable late loading on model 79 (Borislav 
Petkov)  [Orabug: 27343577]
- Bluetooth: bnep: bnep_add_connection() should verify that it's dealing 
with l2cap socket (Al Viro)  [Orabug: 27344793]  {CVE-2017-15868}
- Bluetooth: hidp: verify l2cap sockets (David Herrmann)  [Orabug: 
27344793]  {CVE-2017-15868}
- ALSA: pcm: prevent UAF in snd_pcm_info (Robb Glasser)  [Orabug: 
27344843]  {CVE-2017-0861} {CVE-2017-0861}
- ptrace: use fsuid, fsgid, effective creds for fs access checks (Jann 
Horn)  [Orabug: 27364691]  {CVE-2017-14140}
- sctp: do not peel off an assoc from one netns to another one (Xin 
Long)  [Orabug: 27387001]  {CVE-2017-15115}
- Revert "x86/spec_ctrl: Add 'nolfence' knob to disable fallback for 
spectre_v2 mitigation" (Ankur Arora)  [Orabug: 27601787]  {CVE-2017-5715}
- Revert "x86/spec: Add 'lfence_enabled' in sysfs" (Ankur Arora) 
[Orabug: 27601787]  {CVE-2017-5715}
- Revert "x86/mitigation/spectre_v2: Add reporting of 'lfence'" (Ankur 
Arora)  [Orabug: 27601787]  {CVE-2017-5715}
- x86/mitigation/spectre_v2: Add reporting of 'lfence' (Konrad Rzeszutek 
Wilk)   {CVE-2017-5715}
- x86/spec: Add 'lfence_enabled' in sysfs (Konrad Rzeszutek Wilk) 
- x86/spec_ctrl: Add 'nolfence' knob to disable fallback for spectre_v2 
mitigation (Konrad Rzeszutek Wilk)   {CVE-2017-5715}
- x86/spectre: bring spec_ctrl management logic closer to UEK4 (Ankur 
Arora)  [Orabug: 27516512]  {CVE-2017-5715}
- x86/cpufeatures: Clean up Spectre v2 related CPUID flags (David 
Woodhouse)  [Orabug: 27516357]  {CVE-2017-5715}
- x86/spectre_v2: Remove 0xc2 from spectre_bad_microcodes (Darren Kenny) 
  [Orabug: 27516419]  {CVE-2017-5715}
- x86/cpufeature: Blacklist SPEC_CTRL/PRED_CMD on early Spectre v2 
microcodes (David Woodhouse)  [Orabug: 27516419]  {CVE-2017-5715}
- x86: intel-family.h: Add GEMINI_LAKE SOC (Len Brown)  [Orabug: 27516419]
- x86/cpu/intel: Introduce macros for Intel family numbers (Dave Hansen) 
  [Orabug: 27516419]
- x86/spectre: expose 'stibp' (Konrad Rzeszutek Wilk)  [Orabug: 
27516419]  {CVE-2017-5715}
- x86/speculation: Add basic IBPB (Indirect Branch Prediction Barrier) 
support (David Woodhouse)  [Orabug: 27516379]  {CVE-2017-5715}
- x86/speculation: Use Indirect Branch Prediction Barrier in context 
switch (Tim Chen)  [Orabug: 27516379]  {CVE-2017-5715}
- x86/spectre: fix spectre_v1 mitigation indicators (Ankur Arora) 
[Orabug: 27509932]  {CVE-2017-5715}
- x86/ia32/syscall: Clear extended registers %r8-%r15 (Ankur Arora) 
[Orabug: 27452028]  {CVE-2017-5715}
- x86/ia32/syscall: Save full stack frame throughout the entry code 
(Ankur Arora)  [Orabug: 27452028]  {CVE-2017-5715}
- x86/ia32/syscall: cleanup trailing whitespace (Ankur Arora)  [Orabug: 
27452028]  {CVE-2017-5715}
- x86/syscall: Clear callee saved registers (%r12-%r15, %rbp, %rbx) 
(Ankur Arora)  [Orabug: 27452028]  {CVE-2017-5715}
- x86/syscall: Save callee saved registers on syscall entrance (Ankur 
Arora)  [Orabug: 27452028]  {CVE-2017-5715}

- gre: fix a possible skb leak (Eric Dumazet)  [Orabug: 26403972] 
- ipv6: Fix leak in ipv6_gso_segment(). (David S. Miller)  [Orabug: 
26403972]  {CVE-2017-9074}
- ipv6: xfrm: Handle errors reported by xfrm6_find_1stfragopt() (Ben 
Hutchings)  [Orabug: 26403972]  {CVE-2017-9074}
- ipv6: Check ip6_find_1stfragopt() return value properly. (David S. 
Miller)  [Orabug: 26403972]  {CVE-2017-9074}
- ipv6: Prevent overrun when parsing v6 header options (Craig Gallek) 
[Orabug: 26403972]  {CVE-2017-9074}
- tcp: initialize rcv_mss to TCP_MIN_MSS instead of 0 (Wei Wang) 
[Orabug: 26813390]  {CVE-2017-14106}
- rxrpc: Fix several cases where a padded len isn't checked in ticket 
decode (David Howells)  [Orabug: 26880517]  {CVE-2017-7482} {CVE-2017-7482}
- xen/mmu: Call xen_cleanhighmap() with 4MB aligned for page tables 
mapping (Zhenzhong Duan)  [Orabug: 26883322]
- KVM: x86: fix deadlock in clock-in-progress request handling (Marcelo 
Tosatti)  [Orabug: 27065995]
- ocfs2: fstrim: Fix start offset of first cluster group during fstrim 
(Ashish Samant)  [Orabug: 27099835]
- USB: serial: console: fix use-after-free after failed setup (Johan 
Hovold)  [Orabug: 27206837]  {CVE-2017-16525}
- uwb: properly check kthread_run return value (Andrey Konovalov) 
[Orabug: 27206897]  {CVE-2017-16526}
- ALSA: usb-audio: Check out-of-bounds access by corrupted buffer 
descriptor (Takashi Iwai)  [Orabug: 27206928]  {CVE-2017-16529}
- USB: fix out-of-bounds in usb_set_configuration (Greg Kroah-Hartman) 
[Orabug: 27207240]  {CVE-2017-16531}
- USB: core: fix out-of-bounds access bug in usb_get_bos_descriptor() 
(Alan Stern)  [Orabug: 27207983]  {CVE-2017-16535}
- dccp: CVE-2017-8824: use-after-free in DCCP code (Mohamed Ghannam) 
[Orabug: 27290301]  {CVE-2017-8824}

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