Use-after-free in Linux kernel - CVE-2015-8963
Published: November 16, 2016 / Updated: December 14, 2023
Vulnerability identifier: #VU90827
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2015-8963
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local non-authenticated attacker to execute arbitrary code.
The vulnerability exists due to a use-after-free error within the DEFINE_PER_CPU(), perf_swevent_add(), swevent_hlist_get_cpu(), perf_event_init_cpu() and perf_event_exit_cpu_context() functions in kernel/events/core.c. A local non-authenticated attacker can execute arbitrary code.
How to mitigate CVE-2015-8963
Install update from vendor's website.