CVE-2019-15921 — Missing Release of Memory after Effective Lifetime in Kernel

CWE-401 — Missing Release of Memory after Effective Lifetime7 documents6 sources
Severity
4.7MEDIUMNVD
EPSS
0.1%
top 78.06%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Linux KernelDebian LinuxOpensuse Leap
Timeline
PublishedSep 4
Latest updateMay 24

Description

An issue was discovered in the Linux kernel before 5.0.6. There is a memory leak issue when idr_alloc() fails in genl_register_family() in net/netlink/genetlink.c.

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.0 | Impact: 3.6

Affected Packages4 packages

▶NVDlinux/linux_kernel< 5.0.6
▶Debianlinux/linux_kernel< 4.19.37-1+3
▶debiandebian/linux< linux 4.19.37-1 (bookworm)
▶NVDopensuse/leap15.0, 15.1+1

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-vjxh-qwhv-mw37: An issue was discovered in the Linux kernel before 5↗2022-05-24
▶
OSV
CVE-2019-15921: An issue was discovered in the Linux kernel before 5↗2019-09-04
▶

📋Vendor Advisories

2
Red Hat
kernel: memory leak in genl_register_family() in net/netlink/genetlink.c↗2019-09-04
▶
Debian
CVE-2019-15921: linux - An issue was discovered in the Linux kernel before 5.0.6. There is a memory leak...↗2019
▶

💬Community

2
Bugzilla
CVE-2019-15921 kernel: memory leak in genl_register_family() in net/netlink/genetlink.c [fedora-all]↗2019-10-11
▶
Bugzilla
CVE-2019-15921 kernel: memory leak in genl_register_family() in net/netlink/genetlink.c↗2019-10-11
▶