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CVE-2019-15921

MEDIUM
4.7
CVSS Score
Published: September 4, 2019 at 06:08 PM UTC
Updated: June 17, 2026 at 02:21 AM UTC
2 products affected across 2 vendorsLinux KernelLeap

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Severity
MEDIUM4.7
Exploit prediction
EPSS 0.5%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
v < 5.0.6
Affected range stops below 5.0.6, so it looks safe — our inference, not a vendor statement
Leap· openSUSEdrupal
95%
15.015.1

References (5)

Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.html
Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.html
x_refsource_MISCMailing ListVendor Advisory
Source: [email protected]
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.6
x_refsource_MISCExploitPatchThird Party Advisory
Source: [email protected]
https://github.com/torvalds/linux/commit/ceabee6c59943bdd5e1da1a6a20dc7ee5f8113a2
x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20191004-0001/

CVSS

4.7MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
HIGH
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-401

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