Vulnerability Details : CVE-2016-9588
arch/x86/kvm/vmx.c in the Linux kernel through 4.9 mismanages the #BP and #OF exceptions, which allows guest OS users to cause a denial of service (guest OS crash) by declining to handle an exception thrown by an L2 guest.
Vulnerability category: Denial of service
Products affected by CVE-2016-9588
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-9588
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 25 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-9588
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
2.1
|
LOW | AV:L/AC:L/Au:N/C:N/I:N/A:P |
3.9
|
2.9
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2016-9588
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-9588
-
http://www.openwall.com/lists/oss-security/2016/12/15/3
oss-security - CVE-2016-9588 Kernel: kvm: nVMX: uncaught software exceptions in L1 guest lead to DoSMailing List;Patch
-
https://bugzilla.redhat.com/show_bug.cgi?id=1404924
1404924 – (CVE-2016-9588) CVE-2016-9588 Kernel: kvm: nVMX: uncaught software exceptions in L1 guest leads to DoSIssue Tracking
-
https://access.redhat.com/errata/RHSA-2017:1842
RHSA-2017:1842 - Security Advisory - Red Hat Customer Portal
-
https://access.redhat.com/errata/RHSA-2017:2077
RHSA-2017:2077 - Security Advisory - Red Hat Customer Portal
-
http://www.debian.org/security/2017/dsa-3804
Debian -- Security Information -- DSA-3804-1 linux
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http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ef85b67385436ddc1998f45f1d6a210f935b3388
kernel/git/torvalds/linux.git - Linux kernel source treePatch;Vendor Advisory
-
https://github.com/torvalds/linux/commit/ef85b67385436ddc1998f45f1d6a210f935b3388
kvm: nVMX: Allow L1 to intercept software exceptions (#BP and #OF) · torvalds/linux@ef85b67 · GitHubPatch;Vendor Advisory
-
https://usn.ubuntu.com/3822-1/
USN-3822-1: Linux kernel vulnerabilities | Ubuntu security notices
-
http://www.securityfocus.com/bid/94933
Linux Kernel 'arch/x86/kvm/vmx.c' Denial of Service Vulnerability
-
https://usn.ubuntu.com/3822-2/
USN-3822-2: Linux kernel (Trusty HWE) vulnerabilities | Ubuntu security notices
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