CVE-2019-15807

Name: CVE-2019-15807
Creator: NVD / NIST
Published: 2019-08-29T18:15:12.657+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.7/10EPSS 0.40%

Last modified Jun 17, 2026

CVE-2019-15807 is a medium-severity vulnerability rated 4.7/10 on the CVSS scale. In the Linux kernel before 5.1.13, there is a memory leak in drivers/scsi/libsas/sas_expander.c when SAS expander discovery fails. This will cause a BUG and denial of service.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.

Description

In the Linux kernel before 5.1.13, there is a memory leak in drivers/scsi/libsas/sas_expander.c when SAS expander discovery fails. This will cause a BUG and denial of service.

Metrics

CVSS 3.1

4.7/10

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

EPSS Probability

0.40%

32.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-401

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	< 5.1.13
Debian	Debian Linux	8.0
Redhat	Enterprise Linux	7.0
Redhat	Enterprise Linux	8.0

References

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.13Release Notes
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3b0541791453fbe7f42867e310e0c9eb6295364dPatch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/09/msg00014.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/09/msg00015.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/09/msg00025.htmlMailing List, Third Party Advisory
https://security.netapp.com/advisory/ntap-20191004-0001/Third Party Advisory
https://support.f5.com/csp/article/K52136304?utm_source=f5support&amp%3Butm_medium=RSS
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.13Release Notes
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3b0541791453fbe7f42867e310e0c9eb6295364dPatch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/09/msg00014.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/09/msg00015.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/09/msg00025.htmlMailing List, Third Party Advisory
https://security.netapp.com/advisory/ntap-20191004-0001/Third Party Advisory
https://support.f5.com/csp/article/K52136304?utm_source=f5support&amp%3Butm_medium=RSS

Timeline

Published: Aug 29, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-15807?

In the Linux kernel before 5.1.13, there is a memory leak in drivers/scsi/libsas/sas_expander.c when SAS expander discovery fails. This will cause a BUG and denial of service.

How severe is CVE-2019-15807?

CVE-2019-15807 has a CVSS score of 4.7/10 (MEDIUM severity). The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.

How do I fix CVE-2019-15807?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-15807?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST