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OracleVM 3.2 : Unbreakable / etc (OVMSA-2016-0158) (Dirty COW)

high Nessus Plugin ID 94929

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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 :

 - mm, gup: close FOLL MAP_PRIVATE race (Linus Torvalds) [Orabug: 24928646] (CVE-2016-5195)

 - HID: hiddev: validate num_values for HIDIOCGUSAGES, HIDIOCSUSAGES commands (Scott Bauer) [Orabug: 24798694] (CVE-2016-5829)

 - Revert 'rds: skip rx/tx work when destroying connection' (Brian Maly) [Orabug: 24790158]

 - netfilter: x_tables: speed up jump target validation (Florian Westphal) [Orabug: 24690302] (CVE-2016-3134)

 - netfilter: x_tables: enforce nul-terminated table name from getsockopt GET_ENTRIES (Pablo Neira Ayuso) [Orabug:
 24690302] (CVE-2016-3134)

 - netfilter: remove unused comefrom hookmask argument (Florian Westphal) [Orabug: 24690302] (CVE-2016-3134)

 - netfilter: x_tables: introduce and use xt_copy_counters_from_user (Florian Westphal) [Orabug:
 24690302] (CVE-2016-3134)

 - netfilter: x_tables: do compat validation via translate_table (Florian Westphal) [Orabug: 24690302] (CVE-2016-3134)

 - netfilter: x_tables: xt_compat_match_from_user doesn't need a retval (Florian Westphal) [Orabug: 24690302] (CVE-2016-3134)

 - netfilter: ip6_tables: simplify translate_compat_table args (Florian Westphal) [Orabug: 24690302] (CVE-2016-3134)

 - netfilter: ip_tables: simplify translate_compat_table args (Florian Westphal) [Orabug: 24690302] (CVE-2016-3134)

 - netfilter: arp_tables: simplify translate_compat_table args (Florian Westphal) [Orabug: 24690302] (CVE-2016-3134)

 - netfilter: x_tables: don't reject valid target size on some architectures (Florian Westphal) [Orabug: 24690302] (CVE-2016-3134)

 - netfilter: x_tables: validate all offsets and sizes in a rule (Florian Westphal) [Orabug: 24690302] (CVE-2016-3134)

 - netfilter: x_tables: check for bogus target offset (Florian Westphal) [Orabug: 24690302] (CVE-2016-3134)

 - netfilter: x_tables: check standard target size too (Florian Westphal) [Orabug: 24690302] (CVE-2016-3134)

 - netfilter: x_tables: add compat version of xt_check_entry_offsets (Florian Westphal) [Orabug:
 24690302] (CVE-2016-3134)

 - netfilter: x_tables: assert minimum target size (Florian Westphal) [Orabug: 24690302] (CVE-2016-3134)

 - netfilter: x_tables: kill check_entry helper (Florian Westphal) [Orabug: 24690302] (CVE-2016-3134)

 - netfilter: x_tables: add and use xt_check_entry_offsets (Florian Westphal) [Orabug: 24690302] (CVE-2016-3134)

 - netfilter: x_tables: validate targets of jumps (Florian Westphal) [Orabug: 24690302] (CVE-2016-3134)

 - netfilter: x_tables: fix unconditional helper (Florian Westphal) [Orabug: 24690302] (CVE-2016-3134)

 - netfilter: x_tables: validate targets of jumps (Florian Westphal) [Orabug: 24690302] (CVE-2016-3134)

 - netfilter: x_tables: don't move to non-existent next rule (Florian Westphal) [Orabug: 24690302] (CVE-2016-3134)

 - netfilter: x_tables: fix unconditional helper (Florian Westphal) [Orabug: 24690302] (CVE-2016-3134)

 - netfilter: x_tables: check for size overflow (Florian Westphal) [Orabug: 24690302] (CVE-2016-3134)

 - ocfs2: Fix double put of recount tree in ocfs2_lock_refcount_tree (Ashish Samant) [Orabug:
 24587406]

 - TTY: do not reset master's packet mode (Jiri Slaby) [Orabug: 24569399]

 - ocfs2: Fix start offset to ocfs2_zero_range_for_truncate (Ashish Samant) [Orabug: 24500401]

 - rds: skip rx/tx work when destroying connection (Wengang Wang)

- Revert 'IPoIB: serialize changing on tx_outstanding' (Wengang Wang)

- xen/events: document behaviour when scanning the start word for events (Dongli Zhang) [Orabug: 23083945]

 - xen/events: mask events when changing their VCPU binding (Dongli Zhang) [Orabug: 23083945]

 - xen/events: initialize local per-cpu mask for all possible events (Dongli Zhang) [Orabug: 23083945]

 - IB/mlx4: Replace kfree with kvfree in mlx4_ib_destroy_srq (Wengang Wang) [Orabug: 22570922]

 - NFS: Remove BUG_ON calls from the generic writeback code (Trond Myklebust) [Orabug: 22386565]

 - ocfs2: return non-zero st_blocks for inline data (John Haxby)

- oracleasm: Classify device connectivity issues as global errors (Martin K. Petersen) [Orabug: 21760143]

 - Btrfs: fix truncation of compressed and inlined extents (Divya Indi) [Orabug: 22307286] (CVE-2015-8374)

 - Btrfs: fix file corruption and data loss after cloning inline extents (Divya Indi) [Orabug: 22307286] (CVE-2015-8374)

 - netfilter: x_tables: make sure e->next_offset covers remaining blob size (Florian Westphal) [Orabug:
 24682073] (CVE-2016-4997) (CVE-2016-4998)

 - netfilter: x_tables: validate e->target_offset early (Florian Westphal) [Orabug: 24682071] (CVE-2016-4997) (CVE-2016-4998)

 - rds: schedule local connection activity in proper workqueue (Ajaykumar Hotchandani) [Orabug: 22819661]

 - ib_core: make wait_event uninterruptible in ib_flush_fmr_pool (Avinash Repaka) [Orabug: 24525022]

 - net/mlx4: Support shutdown interface (Ajaykumar Hotchandani)

- KEYS: potential uninitialized variable (Dan Carpenter) [Orabug: 24393863] (CVE-2016-4470)

 - atl2: Disable unimplemented scatter/gather feature (Ben Hutchings) [Orabug: 23703990] (CVE-2016-2117)

 - mlx4_core: add module parameter to disable background init (Mukesh Kacker) [Orabug: 23292107]

 - NFSv4: Don't decode fs_locations if we didn't ask for them... (Trond Myklebust) [Orabug: 23633714]

 - mm/slab: Improve performance of slabinfo stats gathering (Aruna Ramakrishna) [Orabug: 23050884]

 - offload ib subnet manager port and node get info query handling. (Rama Nichanamatlu) [Orabug: 22521735]

 - fix typo/thinko in get_random_bytes (Tony Luck) [Orabug:
 23726807]

Solution

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

See Also

http://www.nessus.org/u?77f7352c

Plugin Details

Severity: High

ID: 94929

File Name: oraclevm_OVMSA-2016-0158.nasl

Version: 2.13

Type: local

Published: 11/17/2016

Updated: 3/8/2022

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.8

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 v3

Risk Factor: High

Base Score: 8.4

Temporal Score: 8

Vector: CVSS:3.0/AV:L/AC:L/PR:N/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, p-cpe:/a:oracle:vm:kernel-uek-firmware, cpe:/o:oracle:vm_server:3.2

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: 11/16/2016

Vulnerability Publication Date: 12/28/2015

CISA Known Exploited Vulnerability Due Dates: 3/24/2022

Exploitable With

CANVAS (CANVAS)

Core Impact

Metasploit (Linux Kernel 4.6.3 Netfilter Privilege Escalation)

Reference Information

CVE: CVE-2015-8374, CVE-2016-2117, CVE-2016-3134, CVE-2016-4470, CVE-2016-4997, CVE-2016-4998, CVE-2016-5195, CVE-2016-5829

IAVA: 2016-A-0306-S