Improper Access Control Affecting kernel-uek-debug package, versions <0:2.6.39-400.304.1.el5uek
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Test your applications- Snyk ID SNYK-ORACLE5-KERNELUEKDEBUG-2533796
- published 10 Apr 2022
- disclosed 27 Jun 2016
Introduced: 27 Jun 2016
CVE-2016-3713 Open this link in a new tabHow to fix?
Upgrade Oracle:5 kernel-uek-debug to version 0:2.6.39-400.304.1.el5uek or higher.
This issue was patched in ELSA-2018-4301.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-uek-debug package and not the kernel-uek-debug package as distributed by Oracle.
See How to fix? for Oracle:5 relevant fixed versions and status.
The msr_mtrr_valid function in arch/x86/kvm/mtrr.c in the Linux kernel before 4.6.1 supports MSR 0x2f8, which allows guest OS users to read or write to the kvm_arch_vcpu data structure, and consequently obtain sensitive information or cause a denial of service (system crash), via a crafted ioctl call.
References
- https://linux.oracle.com/cve/CVE-2016-3713.html
- https://linux.oracle.com/errata/ELSA-2018-4300.html
- https://linux.oracle.com/errata/ELSA-2018-4301.html
- https://linux.oracle.com/errata/ELSA-2019-4316.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1332139
- http://www.openwall.com/lists/oss-security/2016/05/16/2
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9842df62004f366b9fed2423e24df10542ee0dc5
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.1
- https://github.com/torvalds/linux/commit/9842df62004f366b9fed2423e24df10542ee0dc5