Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2017-3635)

High Nessus Plugin ID 104369

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VPR Score: 8.9

Synopsis

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

Description

Description of changes:

[4.1.12-103.9.2.el7uek]
- Revert 'drivers/char/mem.c: deny access in open operation when securelevel is set' (Brian Maly) [Orabug: 27037811]

[4.1.12-103.9.1.el7uek]
- xfs: use dedicated log worker wq to avoid deadlock with cil wq (Brian Foster) [Orabug: 27013241]
- scsi: scsi_transport_iscsi: fix the issue that iscsi_if_rx doesn't parse nlmsg properly (Xin Long) [Orabug: 26988633] {CVE-2017-14489}
- nvme: honor RTD3 Entry Latency for shutdowns (Martin K. Petersen) [Orabug: 26999097]
- ipv6: avoid overflow of offset in ip6_find_1stfragopt (Sabrina Dubroca) [Orabug: 27013220] {CVE-2017-7542}
- udp: consistently apply ufo or fragmentation (Willem de Bruijn) [Orabug: 27013227] {CVE-2017-1000112}
- drivers/char/mem.c: deny access in open operation when securelevel is set (Ethan Zhao) [Orabug: 26943884]

[4.1.12-103.8.1.el7uek]
- tcp: fix tcp_mark_head_lost to check skb len before fragmenting (Neal Cardwell) [Orabug: 26923675]
- timerfd: Protect the might cancel mechanism proper (Thomas Gleixner) [Orabug: 26899775] {CVE-2017-10661}
- kvm: nVMX: Don't allow L2 to access the hardware CR8 (Jim Mattson) {CVE-2017-12154} {CVE-2017-12154}
- brcmfmac: fix possible buffer overflow in brcmf_cfg80211_mgmt_tx() (Tim Tianyang Chen) [Orabug: 26880590] {CVE-2017-7541}
- crypto: ahash - Fix EINPROGRESS notification callback (Herbert Xu) [Orabug: 26916575] {CVE-2017-7618}
- ovl: use O_LARGEFILE in ovl_copy_up() (David Howells) [Orabug: 25953280]
- rxrpc: Fix several cases where a padded len isn't checked in ticket decode (David Howells) [Orabug: 26880508] {CVE-2017-7482} {CVE-2017-7482}
- tcp: initialize rcv_mss to TCP_MIN_MSS instead of 0 (Wei Wang) [Orabug: 26813385] {CVE-2017-14106}

Solution

Update the affected unbreakable enterprise kernel packages.

See Also

https://oss.oracle.com/pipermail/el-errata/2017-November/007319.html

https://oss.oracle.com/pipermail/el-errata/2017-November/007320.html

Plugin Details

Severity: High

ID: 104369

File Name: oraclelinux_ELSA-2017-3635.nasl

Version: 3.11

Type: local

Agent: unix

Published: 2017/11/03

Updated: 2019/09/27

Dependencies: 12634, 122878

Risk Information

Risk Factor: High

VPR Score: 8.9

CVSS v2.0

Base Score: 7.8

Temporal Score: 6.4

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

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

CVSS v3.0

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:C

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: 2017/11/02

Vulnerability Publication Date: 2017/04/10

Exploitable With

Core Impact

Metasploit (Linux Kernel UDP Fragmentation Offset (UFO) Privilege Escalation)

Reference Information

CVE: CVE-2017-1000112, CVE-2017-10661, CVE-2017-12154, CVE-2017-14106, CVE-2017-14489, CVE-2017-7482, CVE-2017-7541, CVE-2017-7542, CVE-2017-7618