Out-of-bounds read in Linux kernel - CVE-2017-18344

 

Out-of-bounds read in Linux kernel - CVE-2017-18344

Published: August 2, 2018 / Updated: June 17, 2021


Vulnerability identifier: #VU14184
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2017-18344
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability: Public exploit is available
Vendor: Linux Foundation
Affected software:
Linux kernel

Detailed vulnerability description

The vulnerability allows a local attacker to obtain potentially sensitive information.

The vulnerability exists due to out-of-bounds memory read error in the 'sigevent->sigev_notify' field of show_timer() function in the timer subsystem. A local attacker can obtain potentially sensitive information from system memory.


How to mitigate CVE-2017-18344

Update to version 4.14.8.

Sources