Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2017-3651) (Dirty COW)

High Nessus Plugin ID 105143

Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

Description of changes:

[4.1.12-103.10.1.el7uek]
- mm, thp: Do not make page table dirty unconditionally in follow_trans_huge_pmd() (Kirill A. Shutemov) [Orabug: 27200879] {CVE-2017-1000405}
- NFS: Add static NFS I/O tracepoints (Chuck Lever)
- storvsc: don't assume SG list is contiguous (Aruna Ramakrishna) [Orabug: 27044692]
- fix unbalanced page refcounting in bio_map_user_iov (Vitaly Mayatskikh) [Orabug: 27069038] {CVE-2017-12190}
- more bio_map_user_iov() leak fixes (Al Viro) [Orabug: 27069038] {CVE-2017-12190}
- packet: in packet_do_bind, test fanout with bind_lock held (Willem de Bruijn) [Orabug: 27069065] {CVE-2017-15649}
- packet: hold bind lock when rebinding to fanout hook (Willem de Bruijn) [Orabug: 27069065] {CVE-2017-15649}
- net: convert packet_fanout.sk_ref from atomic_t to refcount_t (Reshetova, Elena) [Orabug: 27069065] {CVE-2017-15649}
- packet: fix races in fanout_add() (Eric Dumazet) [Orabug: 27069065] {CVE-2017-15649}
- refcount_t: Introduce a special purpose refcount type (Peter Zijlstra) [Orabug: 27069065] {CVE-2017-15649}
- locking/atomics: Add _{acquire|release|relaxed}() variants of some atomic operations (Will Deacon) [Orabug: 27069065] {CVE-2017-15649}
- net: qmi_wwan: fix divide by 0 on bad descriptors (Bj&oslash rn Mork) [Orabug: 27215225] {CVE-2017-16650}
- ALSA: usb-audio: Kill stray URB at exiting (Takashi Iwai) [Orabug: 27148276] {CVE-2017-16527}
- scsi: Add STARGET_CREATED_REMOVE state to scsi_target_state (Ewan D. Milne) [Orabug: 27187217]
- ocfs2: fix posix_acl_create deadlock (Junxiao Bi) [Orabug: 27126129]
- scsi: Don't abort scsi_scan due to unexpected response (John Sobecki) [Orabug: 27119628]
- ocfs2: code clean up for direct io (Ryan Ding)
- xscore: add dma address check (Zhu Yanjun) [Orabug: 27076919]
- KVM: nVMX: Fix loss of L2's NMI blocking state (Wanpeng Li) [Orabug: 27062498]
- KVM: nVMX: track NMI blocking state separately for each VMCS (Paolo Bonzini) [Orabug: 27062498]
- KVM: VMX: require virtual NMI support (Paolo Bonzini) [Orabug: 27062498]
- KVM: nVMX: Fix the NMI IDT-vectoring handling (Wanpeng Li) [Orabug: 27062498]
- uek-rpm: disable CONFIG_NUMA_BALANCING_DEFAULT_ENABLED (Fred Herard) [Orabug: 26798697]
- thp: run vma_adjust_trans_huge() outside i_mmap_rwsem (Kirill A. Shutemov) [Orabug: 27026180]
- selinux: fix off-by-one in setprocattr (Stephen Smalley) [Orabug: 27001717] {CVE-2017-2618} {CVE-2017-2618} {CVE-2017-2618}
- sysctl: Drop reference added by grab_header in proc_sys_readdir (Zhou Chengming) [Orabug: 27036903] {CVE-2016-9191} {CVE-2016-9191} {CVE-2016-9191}
- KEYS: prevent KEYCTL_READ on negative key (Eric Biggers) [Orabug: 27050248] {CVE-2017-12192}
- IB/ipoib: For sendonly join free the multicast group on leave (Christoph Lameter) [Orabug: 27077718]
- IB/ipoib: increase the max mcast backlog queue (Doug Ledford) [Orabug: 27077718]
- IB/ipoib: Make sendonly multicast joins create the mcast group (Doug Ledford) [Orabug: 27077718]
- IB/ipoib: Expire sendonly multicast joins (Christoph Lameter) [Orabug: 27077718]
- IB/ipoib: Suppress warning for send only join failures (Jason Gunthorpe) [Orabug: 27077718]
- IB/ipoib: Clean up send-only multicast joins (Doug Ledford) [Orabug: 27077718]
- netlink: allow to listen 'all' netns (Nicolas Dichtel) [Orabug: 27077944]
- netlink: rename private flags and states (Nicolas Dichtel) [Orabug: 27077944]
- netns: use a spin_lock to protect nsid management (Nicolas Dichtel) [Orabug: 27077944]
- netns: notify new nsid outside __peernet2id() (Nicolas Dichtel) [Orabug: 27077944]
- netns: rename peernet2id() to peernet2id_alloc() (Nicolas Dichtel) [Orabug: 27077944]
- netns: always provide the id to rtnl_net_fill() (Nicolas Dichtel) [Orabug: 27077944]
- netns: returns always an id in __peernet2id() (Nicolas Dichtel) [Orabug: 27077944]
- Hang/soft lockup in d_invalidate with simultaneous calls (Al Viro) [Orabug: 27052681]
- Revert 'drivers/char/mem.c: deny access in open operation when securelevel is set' (Brian Maly) [Orabug: 27037811]

Solution

Update the affected unbreakable enterprise kernel packages.

See Also

https://oss.oracle.com/pipermail/el-errata/2017-December/007405.html

https://oss.oracle.com/pipermail/el-errata/2017-December/007406.html

Plugin Details

Severity: High

ID: 105143

File Name: oraclelinux_ELSA-2017-3651.nasl

Version: $Revision: 3.4 $

Type: local

Agent: unix

Published: 2017/12/11

Modified: 2018/02/01

Dependencies: 12634

Risk Information

Risk Factor: High

CVSSv2

Base Score: 7.2

Temporal Score: 6

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

Temporal Vector: CVSS2#E:F/RL:OF/RC:ND

CVSSv3

Base Score: 7.8

Temporal Score: 7.2

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:F/RL:O/RC:X

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:kernel-uek, p-cpe:/a:oracle:linux:kernel-uek-debug, p-cpe:/a:oracle:linux:kernel-uek-debug-devel, p-cpe:/a:oracle:linux:kernel-uek-devel, p-cpe:/a:oracle:linux:kernel-uek-doc, p-cpe:/a:oracle:linux:kernel-uek-firmware, cpe:/o:oracle:linux:6, cpe:/o:oracle:linux:7

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2017/12/08

Reference Information

CVE: CVE-2016-9191, CVE-2017-1000405, CVE-2017-12190, CVE-2017-12192, CVE-2017-15649, CVE-2017-16527, CVE-2017-16650, CVE-2017-2618