Oracle Linux 5 / 6 : Unbreakable Enterprise kernel (ELSA-2012-2001)
high Nessus Plugin ID 68668
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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: 7/12/2013
Updated: 1/14/2021
Dependencies: ssh_get_info.nasl, linux_alt_patch_detect.nasl
Risk Information
VPR
Risk Factor: Critical
Score: 9.6
CVSS v2
Risk Factor: High
Base Score: 7.2
Temporal Score: 5.6
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C
Temporal Vector: 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: 1/25/2012
Vulnerability Publication Date: 11/26/2010
Exploitable With
CANVAS (CANVAS)
Core Impact
Reference Information
CVE: CVE-2010-2962, CVE-2012-0056