CVE-2019-3896

CWE-416 — Use After FreeCWE-4157 documents7 sources
Severity
7.8HIGH
EPSS
0.1%
top 79.80%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
6
Linux Linux KernelTHE Linux Foundation KernelRedhat Enterprise Linux Desktop+3 more
Timeline
PublishedJun 19
Latest updateMay 24

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 vector

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.0 | Impact: 5.9

Affected Packages6 packages

▶NVDlinux/linux_kernel2.6.0 — 2.6.39.4
▶CVEListV5the_linux_foundation/kernel2.6.32
▶Debianlinux< 3.2.41-1+3

Also affects: Enterprise Linux 6.5, 6.6

🔴Vulnerability Details

3
GHSA
GHSA-2p8m-h2q6-92v8: A double-free can happen in idr_remove_all() in lib/idr↗2022-05-24
▶
OSV
CVE-2019-3896: A double-free can happen in idr_remove_all() in lib/idr↗2019-06-19
▶
CVEList
CVE-2019-3896: A double-free can happen in idr_remove_all() in lib/idr↗2019-06-18
▶

📋Vendor Advisories

2
Red Hat
kernel: Double free in lib/idr.c↗2019-06-17
▶
Debian
CVE-2019-3896: linux - A double-free can happen in idr_remove_all() in lib/idr.c in the Linux kernel 2....↗2019
▶

💬Community

1
Bugzilla
CVE-2019-3896 kernel: Double free in lib/idr.c↗2019-04-01
▶
CVE-2019-3896 (HIGH CVSS 7.8) | A double-free can happen in idr_rem | cvebase.io