CVE-2016-0728

Advisory lineage Upstream: 0 Downstream: 28
Modified
Published: 08 Feb 2016, 02:00
Last modified:05 Aug 2024, 22:30

Vulnerability Summary

Overall Risk (default)
high
52/100
CVSS Score
7.8 HIGH
v3.1 (nvd)
EPSS Score
54.65% CRITICAL
55% probability +4.17%
KEV
Not listed
Ransomware
No reports
Public exploits
2 found
Dark Web
Not detected

Timeline

08 Feb 2016, 02:00
Published
Vulnerability first disclosed
05 Aug 2024, 22:30
Last Modified
Vulnerability information updated

Description

The join_session_keyring function in security/keys/process_keys.c in the Linux kernel before 4.4.1 mishandles object references in a certain error case, which allows local users to gain privileges or cause a denial of service (integer overflow and use-after-free) via crafted keyctl commands.

CVSS Metrics

  • v3.1HIGHScore: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • v2.0HIGHScore: 7.2AV:L/AC:L/Au:N/C:C/I:C/A:C

EPSS Trends

Current EPSS score: 54.65% Percentile: 98%

Affected Systems

  • canonicalubuntu_linux

    12.04 | 14.04 | 15.04 | 15.10

  • debiandebian_linux

    8.0

  • googleandroid

    4.0 | 4.0.1 | 4.0.2 | 4.0.3 | 4.0.4 | 4.1 | 4.1.2 | 4.2 | 4.2.1 | 4.2.2 | 4.3 | 4.3.1 | 4.4 | 4.4.1 | 4.4.2 | 4.4.3 | 5.0 | 5.0.1 | 5.0.2 | 5.1 | 5.1.0 | 5.1.1 | 6.0 | 6.0.1

  • hpserver_migration_pack

    ≤ 7.5

  • linuxlinux_kernel

    ≥ 3.8, < 3.10.95 | ≥ 3.11, < 3.12.53 | ≥ 3.13, < 3.14.59 | ≥ 3.15, < 3.16.35 | ≥ 3.17, < 3.18.26 | ≥ 3.19, < 4.1.16 | ≥ 4.2, < 4.3.4 | ≥ 4.4, < 4.4.1

References (42)