OracleVM 3.4 : Unbreakable / etc (OVMSA-2017-0062)

This script is Copyright (C) 2017 Tenable Network Security, Inc.


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 :

- uek-rpm: enable CONFIG_KSPLICE. (Jamie Iles) [Orabug:
25698171]

- ksplice: add sysctls for determining Ksplice features.
(Jamie Iles)

- signal: protect SIGNAL_UNKILLABLE from unintentional
clearing. (Jamie Iles) [Orabug: 25698171]

- KVM: x86: fix emulation of 'MOV SS, null selector'
(Paolo Bonzini) [Orabug: 25719659] (CVE-2017-2583)
(CVE-2017-2583)

- ext4: store checksum seed in superblock (Darrick J.
Wong) [Orabug: 25719728] (CVE-2016-10208)

- ext4: reserve code points for the project quota feature
(Theodore Ts'o) [Orabug: 25719728] (CVE-2016-10208)

- ext4: validate s_first_meta_bg at mount time (Eryu Guan)
[Orabug: 25719728] (CVE-2016-10208)

- ext4: clean up feature test macros with predicate
functions (Darrick J. Wong) [Orabug: 25719728]
(CVE-2016-10208)

- sctp: avoid BUG_ON on sctp_wait_for_sndbuf (Marcelo
Ricardo Leitner) [Orabug: 25719793] (CVE-2017-5986)

- tcp: avoid infinite loop in tcp_splice_read (Eric
Dumazet) [Orabug: 25720805] (CVE-2017-6214)

- ip: fix IP_CHECKSUM handling (Paolo Abeni) [Orabug:
25720839] (CVE-2017-6347)

- udp: fix IP_CHECKSUM handling (Eric Dumazet) [Orabug:
25720839] (CVE-2017-6347)

- udp: do not expect udp headers in recv cmsg
IP_CMSG_CHECKSUM (Willem de Bruijn) [Orabug: 25720839]
(CVE-2017-6347)

- xfrm_user: validate XFRM_MSG_NEWAE incoming ESN size
harder (Andy Whitcroft) [Orabug: 25814641]
(CVE-2017-7184)

- xfrm_user: validate XFRM_MSG_NEWAE XFRMA_REPLAY_ESN_VAL
replay_window (Andy Whitcroft) [Orabug: 25814641]
(CVE-2017-7184)

- block: fix use-after-free in seq file (Vegard Nossum)
[Orabug: 25877509] (CVE-2016-7910)

See also :

http://www.nessus.org/u?d24288bf

Solution :

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

Risk factor :

High / CVSS Base Score : 9.3
(CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 6.9
(CVSS2#E:U/RL:OF/RC:C)
Public Exploit Available : false

Family: OracleVM Local Security Checks

Nessus Plugin ID: 99392 ()

Bugtraq ID:

CVE ID: CVE-2016-10208
CVE-2016-7910
CVE-2017-2583
CVE-2017-5986
CVE-2017-6214
CVE-2017-6347
CVE-2017-7184

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