CVE-2019-3896

HIGH

Linux Kernel < 2.6.39.4 - Use After Free

Title source: rule

Description

A double-free can happen in idr_remove_all() in lib/idr.c in the Linux kernel 2.6 branch. An unprivileged local attacker can use this flaw for a privilege escalation or for a system crash and a denial of service (DoS).

References (4)

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/108814

[Issue Tracking, Third Party Advisory] https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3896

[Vendor Advisory] https://support.f5.com/csp/article/K04327111

[Vendor Advisory] https://security.netapp.com/advisory/ntap-20190710-0002/

Scores

CVSS v3 7.0

EPSS 0.0007

EPSS Percentile 20.4%

Attack Vector LOCAL

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Classification

CWE

CWE-415 CWE-416

Status published

Affected Products (6)

linux/linux_kernel < 2.6.39.4

redhat/enterprise_linux_desktop

redhat/enterprise_linux_server

redhat/enterprise_linux_server_aus

redhat/enterprise_linux_workstation

Timeline

Published Jun 19, 2019

Tracked Since Feb 18, 2026