OracleVM 3.3 : kernel-uek (OVMSA-2016-0084)

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 :

- Revert 'x86_64: expand kernel stack to 16K' (Chuck
Anderson) [Orabug: 23608686]

- megaraid_sas : Update threshold based reply post host
index register [Orabug: 23562756]

- xen/events: Don't move disabled irqs (Ross Lagerwall)
[Orabug: 23055234]

- xen/events: Mask a moving irq (Boris Ostrovsky) [Orabug:
23055234]

- xen/pciback: Save the number of MSI-X entries to be
copied later. (Dongli Zhang) [Orabug: 23202410]

- xen/pciback: Save xen_pci_op commands before processing
it (Dongli Zhang) [Orabug: 23202410]

- xen-blkback: read from indirect descriptors only once
(Dongli Zhang)

- xen-blkback: only read request operation from shared
ring once (Dongli Zhang) [Orabug: 23202410]

- xen-netback: use RING_COPY_REQUEST throughout (Dongli
Zhang)

- xen-netback: don't use last request to determine minimum
Tx credit (Dongli Zhang) [Orabug: 23202410]

- xen: Add RING_COPY_REQUEST (Dongli Zhang) [Orabug:
23202410]

- IB/security: Restrict use of the write interface (Jason
Gunthorpe) [Orabug: 23283925] (CVE-2016-4565)

See also :

https://oss.oracle.com/pipermail/oraclevm-errata/2016-June/000498.html

Solution :

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

Risk factor :

High / CVSS Base Score : 7.2
(CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 5.3
(CVSS2#E:U/RL:OF/RC:C)
Public Exploit Available : false

Family: OracleVM Local Security Checks

Nessus Plugin ID: 91776 ()

Bugtraq ID:

CVE ID: CVE-2016-4565

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