CVE-2015-8963 Race condition in n/a

What is CVE-2015-8963?

CVE-2015-8963 is a high-severity vulnerability in Linux kernel, published on 16 Nov 2016. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Race condition in kernel/events/core.c in the Linux kernel before 4.4 allows local users to gain privileges or cause a denial of service (use-after-free) by leveraging incorrect handling of an swevent data structure during a CPU unplug operation.

Weakness: CWE-416, CWE-362

Which versions are affected by CVE-2015-8963?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2015-8963?

Upgrade to a fixed version.

Is CVE-2015-8963 being exploited?

There is no known exploitation of CVE-2015-8963 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2015-8963, GHSA-m878-6q5c-p7qv, UBUNTU-CVE-2015-8963.