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

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


Synopsis :

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

Description :

Description of changes:

kernel-uek
[3.8.13-118.18.2.el7uek]
- nfsd: stricter decoding of write-like NFSv2/v3 ops (J. Bruce Fields)
[Orabug: 25986990] {CVE-2017-7895}

[3.8.13-118.18.1.el7uek]
- 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)
[Orabug: 25549809]
- 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/el-errata/2017-May/006911.html
https://oss.oracle.com/pipermail/el-errata/2017-May/006912.html

Solution :

Update the affected unbreakable enterprise kernel 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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