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

high Nessus Plugin ID 92658
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 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)

Solution

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

See Also

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

Plugin Details

Severity: High

ID: 92658

File Name: oraclevm_OVMSA-2016-0091.nasl

Version: 2.7

Type: local

Published: 8/1/2016

Updated: 1/4/2021

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

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

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: p-cpe:/a:oracle:vm:kernel-uek, p-cpe:/a:oracle:vm:kernel-uek-firmware, cpe:/o:oracle:vm_server:3.4

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/29/2016

Vulnerability Publication Date: 5/2/2016

Reference Information

CVE: CVE-2016-2117, CVE-2016-6197, CVE-2016-6198