VulnerabilityModified

CVE-2019-15921

There is a memory leak issue when idr_alloc() fails in genl_register_family() in net/netlink/genetlink.c.

MEDIUM 4.7EPSS 0.50%

Does this matter?

Lower severity and a low EPSS score (0.50%). Track it; it rarely justifies an emergency change on its own.

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 3.1: 4.7 MEDIUMCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.50% probability · 42th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Weakness: CWE-401
Affected: linux/linux kernel · opensuse/leap
Source: cve@mitre.org

EPSS trend

EPSS 0.5% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.htmlMailing List, Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.6Mailing List, Vendor Advisory
https://github.com/torvalds/linux/commit/ceabee6c59943bdd5e1da1a6a20dc7ee5f8113a2Exploit, Patch, Third Party Advisory
https://security.netapp.com/advisory/ntap-20191004-0001/Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.htmlMailing List, Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.6Mailing List, Vendor Advisory
https://github.com/torvalds/linux/commit/ceabee6c59943bdd5e1da1a6a20dc7ee5f8113a2Exploit, Patch, Third Party Advisory
https://security.netapp.com/advisory/ntap-20191004-0001/Third Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.