#VU8693 Memory leak in Linux kernel - CVE-2017-14991

 

#VU8693 Memory leak in Linux kernel - CVE-2017-14991

Published: October 4, 2017 / Updated: October 4, 2017


Vulnerability identifier: #VU8693
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-14991
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak in sg_ioctl() function in drivers/scsi/sg.c. A local user can obtain sensitive information from uninitialized kernel heap-memory locations via an SG_GET_REQUEST_TABLE ioctl call for /dev/sg0.


Remediation

Update to version 4.13.4.

External links