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Vulnerability record · CVE-2019-16995 · published 30 September 2019

CVE-2019-16995: Linux kernel memory leak vulnerability

Linux · Linux Kernel

In the Linux kernel before 5.0.3, a memory leak exits in hsr_dev_finalize() in net/hsr/hsr_device.c if hsr_add_port fails to add a port, which may cause denial of service, aka CID-6caabe7f197d.

7.5 CVSS 3.1 High EPSS 3.5% · top 11.2% CWE-401 · Memory leak
7.5CVSS 3.1 base score, v2 7.8
3.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
17Affected product versions listed by NVD
12References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

In the Linux kernel before 5.0.3, a memory leak exits in hsr_dev_finalize() in net/hsr/hsr_device.c if hsr_add_port fails to add a port, which may cause denial of service, aka CID-6caabe7f197d.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

17 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00010.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00035.html Mailing ListThird Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.3 ExploitRelease NotesVendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6caabe7f197d3466d238f70915d65301f1716626 PatchVendor Advisory
https://github.com/torvalds/linux/commit/6caabe7f197d3466d238f70915d65301f1716626 PatchThird Party Advisory
https://security.netapp.com/advisory/ntap-20191031-0005/ Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00010.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00035.html Mailing ListThird Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.3 ExploitRelease NotesVendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6caabe7f197d3466d238f70915d65301f1716626 PatchVendor Advisory
https://github.com/torvalds/linux/commit/6caabe7f197d3466d238f70915d65301f1716626 PatchThird Party Advisory
https://security.netapp.com/advisory/ntap-20191031-0005/ Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2019-16995), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.