Oracle Linux 5 / 6 : Unbreakable Enterprise kernel (ELSA-2012-2001)
High Nessus Plugin ID 68668
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.