Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2016-3510)

high Nessus Plugin ID 88033
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

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

Description

Description of changes:

kernel-uek [4.1.12-32.1.2.el7uek]
- KEYS: Fix keyring ref leak in join_session_keyring() (Yevgeny Pats) [Orabug: 22563965] {CVE-2016-0728}

[4.1.12-32.1.1.el7uek]
- ocfs2: return non-zero st_blocks for inline data (John Haxby) [Orabug: 22218243]
- xen/events/fifo: Consume unprocessed events when a CPU dies (Ross Lagerwall) [Orabug: 22498877]
- Revert 'xen/fb: allow xenfb initialization for hvm guests' (Konrad Rzeszutek Wilk)
- xen/pciback: Don't allow MSI-X ops if PCI_COMMAND_MEMORY is not set. (Konrad Rzeszutek Wilk)
- xen/pciback: For XEN_PCI_OP_disable_msi[|x] only disable if device has MSI(X) enabled. (Konrad Rzeszutek Wilk)
- xen/pciback: Do not install an IRQ handler for MSI interrupts. (Konrad Rzeszutek Wilk)
- xen/pciback: Return error on XEN_PCI_OP_enable_msix when device has MSI or MSI-X enabled (Konrad Rzeszutek Wilk)
- xen/pciback: Return error on XEN_PCI_OP_enable_msi when device has MSI or MSI-X enabled (Konrad Rzeszutek Wilk)
- xen/pciback: Save xen_pci_op commands before processing it (Konrad Rzeszutek Wilk)
- xen-scsiback: safely copy requests (David Vrabel) - xen-blkback: read from indirect descriptors only once (Roger Pau Monn&eacute )
- xen-blkback: only read request operation from shared ring once (Roger Pau Monn&eacute )
- xen-netback: use RING_COPY_REQUEST() throughout (David Vrabel)
- xen-netback: don't use last request to determine minimum Tx credit (David Vrabel)
- xen: Add RING_COPY_REQUEST() (David Vrabel)

Solution

Update the affected unbreakable enterprise kernel packages.

See Also

https://oss.oracle.com/pipermail/el-errata/2016-January/005701.html

https://oss.oracle.com/pipermail/el-errata/2016-January/005702.html

Plugin Details

Severity: High

ID: 88033

File Name: oraclelinux_ELSA-2016-3510.nasl

Version: 2.12

Type: local

Agent: unix

Published: 1/21/2016

Updated: 1/14/2021

Dependencies: ssh_get_info.nasl, linux_alt_patch_detect.nasl

Risk Information

VPR

Risk Factor: Critical

Score: 9.7

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 6.3

Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Temporal Vector: E:H/RL:OF/RC:C

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: E:H/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:dtrace-modules-4.1.12-32.1.2.el6uek, p-cpe:/a:oracle:linux:dtrace-modules-4.1.12-32.1.2.el7uek, p-cpe:/a:oracle:linux:kernel-uek, p-cpe:/a:oracle:linux:kernel-uek-debug, p-cpe:/a:oracle:linux:kernel-uek-debug-devel, p-cpe:/a:oracle:linux:kernel-uek-devel, p-cpe:/a:oracle:linux:kernel-uek-doc, p-cpe:/a:oracle:linux:kernel-uek-firmware, cpe:/o:oracle:linux:6, cpe:/o:oracle:linux:7

Required KB Items: Host/local_checks_enabled, Host/OracleLinux, Host/RedHat/release, Host/RedHat/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/20/2016

Vulnerability Publication Date: 2/8/2016

Exploitable With

Core Impact

Reference Information

CVE: CVE-2016-0728