CVEvulnerability
CVE-2016-3713
7.1 HIGH
Official page ↗
- Status
- Modified
- Published
- 2016-06-27
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 7.1 HIGH — CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.6 MEDIUM — AV:L/AC:L/Au:N/C:P/I:N/A:C
- Weaknesses
- CWE-284
Description
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.
Affected configurations
• linux linux kernel (<= 4.6)
Related
Weakness · CWE (1)
- CWE-284 Improper Access Control weakness
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9842df62004f366b9fed2423e24df10542ee0dc5 Vendor Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.1 www.kernel.org
- http://www.openwall.com/lists/oss-security/2016/05/16/2 www.openwall.com
- https://bugzilla.redhat.com/show_bug.cgi?id=1332139 bugzilla.redhat.com
- https://github.com/torvalds/linux/commit/9842df62004f366b9fed2423e24df10542ee0dc5 Vendor Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9842df62004f366b9fed2423e24df10542ee0dc5 Vendor Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.1 www.kernel.org
- http://www.openwall.com/lists/oss-security/2016/05/16/2 www.openwall.com
- https://bugzilla.redhat.com/show_bug.cgi?id=1332139 bugzilla.redhat.com
- https://github.com/torvalds/linux/commit/9842df62004f366b9fed2423e24df10542ee0dc5 Vendor Advisory