CVE-2015-8962: Linux Kernel

High severity, CVSS 7.3. EPSS: 1.8% chance of exploitation in the next 30 days.

Double free vulnerability in the sg_common_write function in drivers/scsi/sg.c in the Linux kernel before 4.4 allows local users to gain privileges or cause a denial of service (memory corruption and system crash) by detaching a device during an SG_IO ioctl call.

Affected products

• Linux Linux Kernel: before 3.2.85 (fixed in 3.2.85); from 3.3, before 3.10.107 (fixed in 3.10.107); from 3.12, before 3.12.70 (fixed in 3.12.70); from 3.13, before 3.16.40 (fixed in 3.16.40); from 3.17, before 3.18.54 (fixed in 3.18.54); from 3.19, before 4.4 (fixed in 4.4)

Published 2016-11-16. Last modified 2026-06-17.