Use-after-free in Linux kernel - CVE-2017-6874
Published: March 14, 2017 / Updated: June 21, 2023
Vulnerability identifier: #VU90816
CSH Severity: Low
CVSS v4: 7.3 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-6874
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to a use-after-free error within the get_ucounts() and put_ucounts() functions in kernel/ucount.c. A local user can execute arbitrary code.
Affected software
Linux kernel
Fedora
kernel
Fedora
kernel
How to mitigate CVE-2017-6874
Install update from vendor's website.
kernel - addressed in versions 4.9.15-100.fc24, 4.9.16-100.fc24, 4.9.17-100.fc24, 4.10.3-200.fc25, 4.10.4-200.fc25, 4.10.5-200.fc25