CVE-2019-15214

Severity: medium (CVSS 6.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2019-08-19 · updated 2026-06-17
Weakness: CWE-416

Description

An issue was discovered in the Linux kernel before 5.0.10. There is a use-after-free in the sound subsystem because card disconnection causes certain data structures to be deleted too early. This is related to sound/core/init.c and sound/core/info.c.

Affected products

Canonical Ubuntu Linux: 16.04, 18.04
Linux kernel: before 5.0.10 — fixed in 5.0.10
openSUSE Leap: 15.0, 15.1

How to fix

Upgrade to a fixed version: Linux kernel 5.0.10. Check the vendor advisory for mitigations.

References

http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.html
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.html
http://www.openwall.com/lists/oss-security/2019/08/20/2
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.10
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2a3f7221acddfe1caa9ff09b3a8158c39b2fdeac
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8c2f870890fd28e023b0fcf49dcee333f2c8bad7
https://security.netapp.com/advisory/ntap-20190905-0002/
https://syzkaller.appspot.com/bug?id=75903e0021cef79bc434d068b5169b599b2a46a9
https://usn.ubuntu.com/4115-1/
https://usn.ubuntu.com/4118-1/
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.html
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.html

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