OracleVM 3.3 : Unbreakable / etc (OVMSA-2017-0105)

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 :

- nfsd: stricter decoding of write-like NFSv2/v3 ops (J.
Bruce Fields) [Orabug: 25986990] (CVE-2017-7895)

- fnic: Update fnic driver version to 1.6.0.24 (John
Sobecki) [Orabug: 24448585]

- xen-netfront: Rework the fix for Rx stall during OOM and
network stress (Dongli Zhang) [Orabug: 25450703]

- xen-netfront: Fix Rx stall during network stress and OOM
(Dongli Zhang) [Orabug: 25450703]

- ipv6: Skip XFRM lookup if dst_entry in socket cache is
valid (Jakub Sitnicki)

- uek-rpm: enable CONFIG_KSPLICE. (Jamie Iles) [Orabug:
25549809]

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

- signal: protect SIGNAL_UNKILLABLE from unintentional
clearing. (Jamie Iles) [Orabug: 25549809]

- VSOCK: Fix lockdep issue. (Dongli Zhang) [Orabug:
25559937]

- VSOCK: sock_put wasn't safe to call in interrupt context
(Dongli Zhang) [Orabug: 25559937]

- IB/CORE: sync the resouce access in fmr_pool (Wengang
Wang) [Orabug: 25677469]

- 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)

- lpfc cannot establish connection with targets that send
PRLI under P2P mode (Joe Jin) [Orabug: 25759083]

- 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-Andr&eacute 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)

- scsi: sg: check length passed to SG_NEXT_CMD_LEN (peter
chang) [Orabug: 25751996] (CVE-2017-7187)

See also :

https://oss.oracle.com/pipermail/oraclevm-errata/2017-May/000727.html

Solution :

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

Risk factor :

Critical / CVSS Base Score : 10.0
(CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 7.4
(CVSS2#E:U/RL:OF/RC:C)
Public Exploit Available : false

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