UBUNTU-CVE-2015-8963

Advisory lineage Upstream: 1 Downstream: 1
Upstream
Downstream
Published: 16 Nov 2016, 00:00
Last modified:12 May 2026, 13:28

Vulnerability Summary

Overall Risk (default)
medium
28/100
CVSS Score
7 HIGH
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

16 Nov 2016, 00:00
Published
Vulnerability first disclosed
12 May 2026, 13:28
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1HIGHScore: 7CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
  • v3.0HIGHScore: 7CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Systems

  • ubuntulinux

    < 3.13.0-125.174

  • ubuntulinux-azure

    all

  • ubuntulinux-azure-6.11

    all

  • ubuntulinux-azure-fde

    all

  • ubuntulinux-azure-fde-5.15

    all

  • ubuntulinux-gcp

    all

  • ubuntulinux-gcp-6.11

    all

  • ubuntulinux-gke

    all

  • ubuntulinux-gkeop

    all

  • ubuntulinux-hwe

    all

  • ubuntulinux-hwe-6.11

    all

  • ubuntulinux-hwe-edge

    all

  • ubuntulinux-intel-iot-realtime

    all

  • ubuntulinux-lowlatency-hwe-6.11

    all

  • ubuntulinux-oem

    all

  • ubuntulinux-raspi-realtime

    all

  • ubuntulinux-raspi2

    all

  • ubuntulinux-realtime

    all | all

  • ubuntulinux-riscv

    all | all | all

References (7)