SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-3896

An unprivileged local attacker can use this flaw for a privilege escalation or for a system crash and a denial of service (DoS).

HIGH 7.8EPSS 0.42%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.42%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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).

CVSS 3.0
7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.42% probability · 35th percentile
CISA KEV
Not listed
Weakness
CWE-416, CWE-415
Affected
linux/linux kernel · redhat/enterprise linux desktop · redhat/enterprise linux server · redhat/enterprise linux server aus · redhat/enterprise linux workstation
Source
secalert@redhat.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.