OracleVM 3.4 : kernel-uek (OVMSA-2016-0091)

This script is Copyright (C) 2016-2017 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 :

- vfs: rename: check backing inode being equal (Miklos
Szeredi) [Orabug: 24010060] (CVE-2016-6198)
(CVE-2016-6197)

- vfs: add vfs_select_inode helper (Miklos Szeredi)
[Orabug: 24010060] (CVE-2016-6198) (CVE-2016-6197)

- ovl: verify upper dentry before unlink and rename
(Miklos Szeredi) [Orabug: 24010060] (CVE-2016-6198)
(CVE-2016-6197)

- ovl: fix getcwd failure after unsuccessful rmdir (Rui
Wang) [Orabug: 24010060] (CVE-2016-6198) (CVE-2016-6197)

- xen: use same main loop for counting and remapping pages
(Juergen Gross) [Orabug: 24012238]

- Revert 'ocfs2: bump up o2cb network protocol version'
(Junxiao Bi)

- atl2: Disable unimplemented scatter/gather feature (Ben
Hutchings) [Orabug: 23704078] (CVE-2016-2117)

- Revert 'perf tools: Bump default sample freq to 4 kHz'
(ashok.vairavan) [Orabug: 23634802]

- block: Initialize max_dev_sectors to 0 (Keith Busch)
[Orabug: 23333444]

- sd: Fix rw_max for devices that report an optimal xfer
size (Martin K. Petersen) [Orabug: 23333444]

- sd: Fix excessive capacity printing on devices with
blocks bigger than 512 bytes (Martin K. Petersen)
[Orabug: 23333444]

- sd: Optimal I/O size is in bytes, not sectors (Martin K.
Petersen)

- sd: Reject optimal transfer length smaller than page
size (Martin K. Petersen) [Orabug: 23333444]

- Fix kabi issue for upstream commit ca369d51 (Joe Jin)
[Orabug: 23333444]

- block/sd: Fix device-imposed transfer length limits (Joe
Jin)

See also :

https://oss.oracle.com/pipermail/oraclevm-errata/2016-July/000506.html

Solution :

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

Risk factor :

Medium / CVSS Base Score : 5.0
(CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N)
CVSS Temporal Score : 4.1
(CVSS2#E:F/RL:OF/RC:ND)
Public Exploit Available : true

Family: OracleVM Local Security Checks

Nessus Plugin ID: 92658 ()

Bugtraq ID:

CVE ID: CVE-2016-2117
CVE-2016-6197
CVE-2016-6198

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