VulnerabilityModified

CVE-2016-9777

KVM in the Linux kernel before 4.8.12, when I/O APIC is enabled, does not properly restrict the VCPU index, which allows guest OS users to gain host OS privileges or cause a denial of service (out-of-bounds array access and host OS crash) via a crafted…

HIGH 7.8EPSS 0.38%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.38%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

CVSS 3.1: 7.8 HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS: 0.38% probability · 31th percentile
CISA KEV: Not listed
Weakness: CWE-125
Affected: linux/linux kernel
Source: secalert@redhat.com

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=81cdb259fb6d8c1c4ecfeea389ff5a73c07f5755Patch, Vendor Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.12Release Notes
http://www.openwall.com/lists/oss-security/2016/12/02/2Mailing List, Patch
http://www.securityfocus.com/bid/94640Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1400804Issue Tracking
https://github.com/torvalds/linux/commit/81cdb259fb6d8c1c4ecfeea389ff5a73c07f5755Patch, Vendor Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=81cdb259fb6d8c1c4ecfeea389ff5a73c07f5755Patch, Vendor Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.12Release Notes
http://www.openwall.com/lists/oss-security/2016/12/02/2Mailing List, Patch
http://www.securityfocus.com/bid/94640Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1400804Issue Tracking
https://github.com/torvalds/linux/commit/81cdb259fb6d8c1c4ecfeea389ff5a73c07f5755Patch, Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.