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OracleVM 3.3 : Unbreakable / etc (OVMSA-2018-0041) (Spectre)

high Nessus Plugin ID 109668

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Synopsis

The remote OracleVM host is missing one or more security updates.

Description

The remote OracleVM system is missing necessary patches to address critical security updates :

 - x86/entry/64: Don't use IST entry for #BP stack (Andy Lutomirski) (CVE-2018-8897)

 - 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)

- 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] (CVE-2017-16533)

 - [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 (Bj&oslash rn 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) (CVE-2017-5715)

 - 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] (CVE-2017-9074)

 - 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)

Solution

Update the affected kernel-uek / kernel-uek-firmware packages.

See Also

https://oss.oracle.com/pipermail/oraclevm-errata/2018-May/000852.html

Plugin Details

Severity: High

ID: 109668

File Name: oraclevm_OVMSA-2018-0041.nasl

Version: 1.10

Type: local

Published: 5/10/2018

Updated: 10/10/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.5

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 6.3

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2018-8897

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:oracle:vm:kernel-uek, cpe:/o:oracle:vm_server:3.3, p-cpe:/a:oracle:vm:kernel-uek-firmware

Required KB Items: Host/local_checks_enabled, Host/OracleVM/release, Host/OracleVM/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/9/2018

Vulnerability Publication Date: 5/19/2017

Exploitable With

Metasploit (Microsoft Windows POP/MOV SS Local Privilege Elevation Vulnerability)

Reference Information

CVE: CVE-2017-0861, CVE-2017-14106, CVE-2017-14140, CVE-2017-15115, CVE-2017-15868, CVE-2017-16525, CVE-2017-16526, CVE-2017-16527, CVE-2017-16529, CVE-2017-16531, CVE-2017-16533, CVE-2017-16535, CVE-2017-16536, CVE-2017-16649, CVE-2017-5715, CVE-2017-7482, CVE-2017-8824, CVE-2017-9074, CVE-2018-100199, CVE-2018-8897