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Oracle Linux 6 : kernel (ELSA-2015-2636)

critical Nessus Plugin ID 87396

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Synopsis

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

Description

The remote Oracle Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2015-2636 advisory.

 - [kvm] svm: unconditionally intercept DB (Paolo Bonzini) [1279467 1279468] {CVE-2015-8104}
 - [x86] virt: guest to host DoS by triggering an infinite loop in microcode (Paolo Bonzini) [1277557 1277559] {CVE-2015-5307}
 - [security] keys: Don't permit request_key() to construct a new keyring (David Howells) [1275927 1273463] {CVE-2015-7872}
 - [security] keys: Fix crash when attempt to garbage collect an uninstantiated keyring (David Howells) [1275927 1273463] {CVE-2015-7872}
 - [security] keys: Fix race between key destruction and finding a keyring by name (David Howells) [1275927 1273463] {CVE-2015-7872}
 - [ipc] Initialize msg/shm IPC objects before doing ipc_addid() (Stanislav Kozina) [1271504 1271505] {CVE-2015-7613}
 - [fs] vfs: Test for and handle paths that are unreachable from their mnt_root (Eric W. Biederman) [1209368 1209369] {CVE-2015-2925}
 - [fs] dcache: Handle escaped paths in prepend_path (Eric W. Biederman) [1209368 1209369] {CVE-2015-2925}

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://linux.oracle.com/errata/ELSA-2015-2636.html

Plugin Details

Severity: Critical

ID: 87396

File Name: oraclelinux_ELSA-2015-2636.nasl

Version: 2.15

Type: local

Agent: unix

Published: 12/16/2015

Updated: 10/22/2024

Supported Sensors: Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.9

Temporal Score: 5.4

Vector: CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2015-7613

CVSS v3

Risk Factor: Critical

Base Score: 10

Temporal Score: 9

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

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS Score Source: CVE-2015-8104

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:kernel-abi-whitelists, p-cpe:/a:oracle:linux:kernel-devel, p-cpe:/a:oracle:linux:perf, p-cpe:/a:oracle:linux:kernel-firmware, p-cpe:/a:oracle:linux:python-perf, p-cpe:/a:oracle:linux:kernel-debug-devel, p-cpe:/a:oracle:linux:kernel-debug, p-cpe:/a:oracle:linux:kernel-headers, p-cpe:/a:oracle:linux:kernel, cpe:/o:oracle:linux:6

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

Exploit Ease: No known exploits are available

Patch Publication Date: 12/15/2015

Vulnerability Publication Date: 4/6/2015

Reference Information

CVE: CVE-2015-2925, CVE-2015-5307, CVE-2015-7613, CVE-2015-7872, CVE-2015-8104

RHSA: 2015:2636