CVE-2016-9588

Severity: medium (CVSS 5.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-12-28 · updated 2026-06-17
Weakness: CWE-388

Description

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.

Affected products

Linux kernel: through 4.9

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ef85b67385436ddc1998f45f1d6a210f935b3388
http://www.debian.org/security/2017/dsa-3804
http://www.openwall.com/lists/oss-security/2016/12/15/3
http://www.securityfocus.com/bid/94933
https://access.redhat.com/errata/RHSA-2017:1842
https://access.redhat.com/errata/RHSA-2017:2077
https://bugzilla.redhat.com/show_bug.cgi?id=1404924
https://github.com/torvalds/linux/commit/ef85b67385436ddc1998f45f1d6a210f935b3388
https://usn.ubuntu.com/3822-1/
https://usn.ubuntu.com/3822-2/
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ef85b67385436ddc1998f45f1d6a210f935b3388
http://www.debian.org/security/2017/dsa-3804

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