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Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2017-3566)

critical Nessus Plugin ID 100234

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Synopsis

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

Description

The remote Oracle Linux 6 / 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2017-3566 advisory.

 - nfsd: stricter decoding of write-like NFSv2/v3 ops (J. Bruce Fields) [Orabug: 25986990] {CVE-2017-7895}
 - KVM: x86: fix emulation of 'MOV SS, null selector' (Paolo Bonzini) [Orabug: 25719675] {CVE-2017-2583} {CVE-2017-2583}
 - ext4: validate s_first_meta_bg at mount time (Eryu Guan) [Orabug: 25719738] {CVE-2016-10208}
 - sctp: avoid BUG_ON on sctp_wait_for_sndbuf (Marcelo Ricardo Leitner) [Orabug: 25719810] {CVE-2017-5986}
 - tcp: avoid infinite loop in tcp_splice_read() (Eric Dumazet) [Orabug: 25720813] {CVE-2017-6214}
 - USB: visor: fix null-deref at probe (Johan Hovold) [Orabug: 25796594] {CVE-2016-2782}
 - ipc/shm: Fix shmat mmap nil-page protection (Davidlohr Bueso) [Orabug: 25797012] {CVE-2017-5669}
 - vhost: actually track log eventfd file (Marc-Andre Lureau) [Orabug: 25797052] {CVE-2015-6252}
 - xfrm_user: validate XFRM_MSG_NEWAE incoming ESN size harder (Andy Whitcroft) [Orabug: 25814663] {CVE-2017-7184}
 - xfrm_user: validate XFRM_MSG_NEWAE XFRMA_REPLAY_ESN_VAL replay_window (Andy Whitcroft) [Orabug:
 25814663] {CVE-2017-7184}
 - KEYS: Remove key_type::match in favour of overriding default by match_preparse (Aniket Alshi) [Orabug:
 25823962] {CVE-2017-2647} {CVE-2017-2647}
 - USB: whiteheat: fix potential null-deref at probe (Johan Hovold) [Orabug: 25825105] {CVE-2015-5257} {CVE-2015-5257}
 - udf: Check path length when reading symlink (Jan Kara) [Orabug: 25871102] {CVE-2015-9731}
 - udp: properly support MSG_PEEK with truncated buffers (Eric Dumazet) [Orabug: 25876655] {CVE-2016-10229}
 - block: fix use-after-free in seq file (Vegard Nossum) [Orabug: 25877530] {CVE-2016-7910}
 - Revert 'fix minor infoleak in get_user_ex()' (Brian Maly) [Orabug: 25790392] {CVE-2016-9644}
 - net: ping: check minimum size on ICMP header length (Kees Cook) [Orabug: 25766911] {CVE-2016-8399}
 - ipv6: stop sending PTB packets for MTU < 1280 (Hagen Paul Pfeifer) [Orabug: 25765776] {CVE-2016-10142}
 - sg_write()/bsg_write() is not fit to be called under KERNEL_DS (Al Viro) [Orabug: 25765445] {CVE-2016-10088}

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://linux.oracle.com/errata/ELSA-2017-3566.html

Plugin Details

Severity: Critical

ID: 100234

File Name: oraclelinux_ELSA-2017-3566.nasl

Version: 3.15

Type: local

Agent: unix

Published: 5/17/2017

Updated: 10/23/2024

Supported Sensors: Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

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

CVSS Score Source: CVE-2017-7895

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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

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

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:dtrace-modules-3.8.13-118.18.2.el7uek, p-cpe:/a:oracle:linux:kernel-uek-debug-devel, cpe:/o:oracle:linux:7, p-cpe:/a:oracle:linux:kernel-uek-debug, p-cpe:/a:oracle:linux:kernel-uek-devel, p-cpe:/a:oracle:linux:dtrace-modules-3.8.13-118.18.2.el6uek, p-cpe:/a:oracle:linux:kernel-uek-doc, p-cpe:/a:oracle:linux:kernel-uek-firmware, p-cpe:/a:oracle:linux:kernel-uek, cpe:/o:oracle:linux:6

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/16/2017

Vulnerability Publication Date: 8/10/2015

Reference Information

CVE: CVE-2015-5257, CVE-2015-6252, CVE-2015-9731, CVE-2016-10208, CVE-2016-2782, CVE-2017-2583, CVE-2017-2647, CVE-2017-5669, CVE-2017-5986, CVE-2017-6214, CVE-2017-7184, CVE-2017-7895