Oracle Linux 5 / 6 : Unbreakable Enterprise kernel (ELSA-2012-2001)

High Nessus Plugin ID 68668

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VPR Score: 9

Synopsis

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

Description

Description of changes:

* Improved fix for CVE-2010-2962.

The original upstream fix for CVE-2010-2962 had an overflow bug in its bounds checking.


* CVE-2012-0056: Privilege escalation in /proc/[pid]/mem writing.

It was found that permissions were not checked properly in the Linux kernel when handling the /proc/[pid]/mem writing functionality. A local, unprivileged user could use this flaw to escalate their privileges.

[2.6.32-300.7.1.el6uek]
- Revert 'proc: enable writing to /proc/pid/mem' [orabug 13619701] {CVE-2012-0056}
- [PATCH] x86, tsc: Skip TSC synchronization checks for tsc=reliable (Suresh Siddha)

[2.6.32-300.6.1.el6uek]
- tracing: Fix NULL pointer deref with SEND_SIG_FORCED (Oleg Nesterov) [orabug 13611655]

[2.6.32-300.5.1.el6uek]
- sched, x86: Avoid unnecessary overflow in sched_clock (Salman Qazi) [orabug 13604567]
- [x86]: Don't resume/restore cpu if not of the expected cpu (Joe Jin) [orabug 13492670]
- drm/i915: Rephrase pwrite bounds checking to avoid any potential overflow (Chris Wilson) [CVE-2010-296]
- x2apic: Enable the bios request for x2apic optout (Suresh Siddha) [orabug 13565303]
- fuse: split queues to scale I/O throughput (Srinivas Eeda) [orabug 10004611]
- fuse: break fc spinlock (Srinivas Eeda) [orabug 10004611]

Solution

Update the affected unbreakable enterprise kernel packages.

See Also

https://oss.oracle.com/pipermail/el-errata/2012-January/002572.html

https://oss.oracle.com/pipermail/el-errata/2012-January/002573.html

Plugin Details

Severity: High

ID: 68668

File Name: oraclelinux_ELSA-2012-2001.nasl

Version: 1.19

Type: local

Agent: unix

Published: 2013/07/12

Updated: 2021/01/14

Dependencies: 12634, 122878

Risk Information

Risk Factor: High

VPR Score: 9

CVSS v2.0

Base Score: 7.2

Temporal Score: 5.6

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

Temporal Vector: CVSS2#E:POC/RL:OF/RC:C

Vulnerability Information

CPE: 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, p-cpe:/a:oracle:linux:kernel-uek-headers, p-cpe:/a:oracle:linux:mlnx_en-2.6.32-300.7.1.el6uek, p-cpe:/a:oracle:linux:mlnx_en-2.6.32-300.7.1.el6uekdebug, p-cpe:/a:oracle:linux:ofa-2.6.32-300.7.1.el5uek, p-cpe:/a:oracle:linux:ofa-2.6.32-300.7.1.el5uekdebug, p-cpe:/a:oracle:linux:ofa-2.6.32-300.7.1.el6uek, p-cpe:/a:oracle:linux:ofa-2.6.32-300.7.1.el6uekdebug, cpe:/o:oracle:linux:5, cpe:/o:oracle:linux:6

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: 2012/01/25

Vulnerability Publication Date: 2010/11/26

Exploitable With

CANVAS (CANVAS)

Core Impact

Reference Information

CVE: CVE-2010-2962, CVE-2012-0056

BID: 44067, 51625