Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2017-3534)

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:

[3.8.13-118.17.4.el7uek]
- Revert 'fix minor infoleak in get_user_ex()' (Brian Maly) [Orabug:
25790392] {CVE-2016-9644}

[3.8.13-118.17.3.el7uek]
- net: ping: check minimum size on ICMP header length (Kees Cook)
[Orabug: 25766911] {CVE-2016-8399}

[3.8.13-118.17.2.el7uek]
- 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}

[3.8.13-118.17.1.el7uek]
- tty: n_hdlc: get rid of racy n_hdlc.tbuf (Alexander Popov) [Orabug:
25696686] {CVE-2017-2636}
- TTY: n_hdlc, fix lockdep false positive (Jiri Slaby) [Orabug:
25696686] {CVE-2017-2636}
- drivers/tty/n_hdlc.c: replace kmalloc/memset by kzalloc (Fabian
Frederick) [Orabug: 25696686] {CVE-2017-2636}
- x86: bpf_jit: fix compilation of large bpf programs (Alexei
Starovoitov) [Orabug: 21305080] {CVE-2015-4700}
- net: filter: return -EINVAL if BPF_S_ANC* operation is not supported
(Daniel Borkmann) [Orabug: 22187148] - KEYS: request_key() should reget
expired keys rather than give EKEYEXPIRED (David Howells) - KEYS:
Increase root_maxkeys and root_maxbytes sizes (Steve Dickson) -
firewire: net: guard against rx buffer overflows (Stefan Richter)
[Orabug: 25451530] {CVE-2016-8633}
- x86/mm/32: Enable full randomization on i386 and X86_32 (Hector
Marco-Gisbert) [Orabug: 25463927] {CVE-2016-3672}
- x86 get_unmapped_area: Access mmap_legacy_base through mm_struct
member (Radu Caragea) [Orabug: 25463927] {CVE-2016-3672}
- pptp: verify sockaddr_len in pptp_bind() and pptp_connect() (WANG
Cong) [Orabug: 25490335] {CVE-2015-8569}
- sg_start_req(): make sure that there's not too many elements in iovec
(Al Viro) [Orabug: 25490372] {CVE-2015-5707}
- kvm: nVMX: Allow L1 to intercept software exceptions (#BP and #OF)
(Jim Mattson) [Orabug: 25507195] {CVE-2016-9588}
- tcp: take care of truncations done by sk_filter() (Eric Dumazet)
[Orabug: 25507230] {CVE-2016-8645}
- rose: limit sk_filter trim to payload (Willem de Bruijn) [Orabug:
25507230] {CVE-2016-8645}
- fix minor infoleak in get_user_ex() (Al Viro) [Orabug: 25507281]
{CVE-2016-9178}
- scsi: arcmsr: Simplify user_len checking (Borislav Petkov) [Orabug:
25507328] {CVE-2016-7425}
- scsi: arcmsr: Buffer overflow in arcmsr_iop_message_xfer() (Dan
Carpenter) [Orabug: 25507328] {CVE-2016-7425}
- net: fix a kernel infoleak in x25 module (Kangjie Lu) [Orabug:
25512413] {CVE-2016-4580}
- USB: digi_acceleport: do sanity checking for the number of ports
(Oliver Neukum) [Orabug: 25512471] {CVE-2016-3140}
- ipv4: keep skb->dst around in presence of IP options (Eric Dumazet)
[Orabug: 25543892] {CVE-2017-5970}
- net/llc: avoid BUG_ON() in skb_orphan() (Eric Dumazet) [Orabug:
25682430] {CVE-2017-6345}
- dccp: fix freeing skb too early for IPV6_RECVPKTINFO (Andrey
Konovalov) {CVE-2017-6074}
- crypto: algif_hash - Only export and import on sockets with data
(Herbert Xu) [Orabug: 25417805] {CVE-2016-8646}
- USB: usbfs: fix potential infoleak in devio (Kangjie Lu) [Orabug:
25462760] {CVE-2016-4482}
- net: fix infoleak in llc (Kangjie Lu) [Orabug: 25462807] {CVE-2016-4485}
- af_unix: Guard against other == sk in unix_dgram_sendmsg (Rainer
Weikusat) [Orabug: 25463996] {CVE-2013-7446}
- unix: avoid use-after-free in ep_remove_wait_queue (Rainer Weikusat)
[Orabug: 25463996] {CVE-2013-7446}
- net: avoid signed overflows for SO_{SND|RCV}BUFFORCE (Eric Dumazet)
[Orabug: 25203623] {CVE-2016-9793}

See also :

https://oss.oracle.com/pipermail/el-errata/2017-April/006817.html
https://oss.oracle.com/pipermail/el-errata/2017-April/006818.html

Solution :

Update the affected unbreakable enterprise kernel 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 : 7.7
(CVSS2#E:F/RL:OF/RC:ND)
Public Exploit Available : true