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CVE-2013-2596

High 7.8 Exploited in the wild (KEV)

Confirmed active exploitation — CISA KEV catalog

Name
Linux Kernel Integer Overflow Vulnerability
Added to catalog
Remediation due date (US federal)
Required action
Apply updates per vendor instructions.

Description

Integer overflow in the fb_mmap function in drivers/video/fbmem.c in the Linux kernel before 3.8.9, as used in a certain Motorola build of Android 4.1.2 and other products, allows local users to create a read-write memory mapping for the entirety of kernel memory, and consequently gain privileges, via crafted /dev/graphics/fb0 mmap2 system calls, as demonstrated by the Motochopper pwn program.

Metrics

CVSS 3.1
7.8 (HIGH) Score source: NVD CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS — exploit probability
3% (percentile: 88) as of 1 November 2026
CWE
CWE-190

Affected products

linux: linux kernel; motorola: android; motorola: atrix hd; motorola: razr hd; motorola: razr m; qualcomm: msm8960

References