CVE-2016-2069

Aliases:UBUNTU-CVE-2016-2069DEBIAN-CVE-2016-2069
Advisory lineage Upstream: 0 Downstream: 18
Modified
Published: 27 Apr 2016, 17:00
Last modified:05 Aug 2024, 23:17

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.4 HIGH
v3.0 (nvd)
EPSS Score
0.32% LOW
0% probability +0.26%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

27 Apr 2016, 17:00
Published
Vulnerability first disclosed
05 Aug 2024, 23:17
Last Modified
Vulnerability information updated

Description

Race condition in arch/x86/mm/tlb.c in the Linux kernel before 4.4.1 allows local users to gain privileges by triggering access to a paging structure by a different CPU.

CVSS Metrics

  • v3.0•HIGH•Score: 7.4CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  • v2.0•MEDIUM•Score: 4.4AV:L/AC:M/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 0.32%• Percentile: 25%

Techniques & Countermeasures

  • CWE-362•Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

    The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

Affected Systems

  • canonical•ubuntu_linux

    12.04 | 14.04

  • debian•linux

    < 4.3.5-1 | < 4.3.5-1 | < 4.3.5-1 | < 4.3.5-1

  • ubuntu•linux

    < 3.13.0-87.133

  • ubuntu•linux-azure

    all

  • ubuntu•linux-azure-6.11

    all

  • ubuntu•linux-azure-fde

    all

  • ubuntu•linux-azure-fde-5.15

    all

  • ubuntu•linux-gcp

    all

  • ubuntu•linux-gcp-6.11

    all

  • ubuntu•linux-gke

    all

  • ubuntu•linux-gkeop

    all

  • ubuntu•linux-hwe

    all

  • ubuntu•linux-hwe-6.11

    all

  • ubuntu•linux-hwe-edge

    all

  • ubuntu•linux-intel-iot-realtime

    all

  • ubuntu•linux-lowlatency-hwe-6.11

    all

  • ubuntu•linux-lts-utopic

    < 3.16.0-67.87~14.04.1

  • ubuntu•linux-lts-vivid

    < 3.19.0-56.62~14.04.1

  • ubuntu•linux-lts-wily

    < 4.2.0-30.35~14.04.1

  • ubuntu•linux-raspi-realtime

    all

  • ubuntu•linux-raspi2

    all

  • ubuntu•linux-realtime

    all | all

  • ubuntu•linux-riscv

    all | all | all

  • linux•linux_kernel

    ≤ 4.4

References (36)