VulnerabilityModified

CVE-2016-8438

Integer overflow leading to a TOCTOU condition in hypervisor PIL.

CRITICAL 9.8EPSS 2.25%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.25%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Integer overflow leading to a TOCTOU condition in hypervisor PIL. An integer overflow exposes a race condition that may be used to bypass (Peripheral Image Loader) PIL authentication. Product: Android. Versions: Kernel 3.18. Android ID: A-31624565. References: QC-CR#1023638.

CVSS 3.0: 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 2.25% probability · 82th percentile
CISA KEV: Not listed
Weakness: CWE-190
Affected: linux/linux kernel
Source: security@android.com

References

http://www.securityfocus.com/bid/95227
https://source.android.com/security/bulletin/2017-01-01.htmlVendor Advisory
http://www.securityfocus.com/bid/95227
https://source.android.com/security/bulletin/2017-01-01.htmlVendor Advisory

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