Double Free in Linux Kernel

CVE-2015-8962

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.

Vulnerability class: Double Free

EPSS: 0.018 (76.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2015-8962?
CVE-2015-8962 is a high-severity vulnerability in Linux Kernel, classified under Double Free. CVSS score: 7.3/10. Published 2016-11-16.
How severe is CVE-2015-8962?
High severity. CVSS v3 base score is 7.3 out of 10.
Is CVE-2015-8962 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.