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CVE-2019-15807

19
FAUCET Score

CVE-2019-15807 is a memory leak vulnerability in the Linux kernel (before version 5.1.13) within the SAS expander discovery process, affecting various Debian, Enterprise Linux, and generic Linux kernel distributions. This flaw, rated Medium severity (CVSS 4.7), requires local access and high attack complexity, but can lead to a denial of service (DoS) due to a system BUG. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage, indicating low current threat visibility.

Impacted Technologies

VendorProductVersion(s)CPE
< 5.1.13CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.7MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.0
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.40%
Probability of exploitation in next 30 days
EPSS Percentile
33.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0040 is in the 82nd percentile among its peer group of 1,297 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.4 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-rt-0:3.10.0-1160.rt56.1131.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-0:3.10.0-1160.el7
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-alt
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-rt

Vendor Advisories (1)

redhatCVE-2019-15807Low

kernel: Memory leak in drivers/scsi/libsas/sas_expander.c

Aug 29, 2019

References

cdn.kernel.org / pub/linux/kernel/v5.x/ChangeLog-5.1.13
Release Notes
git.kernel.org / pub/scm/linux/kernel/git/torvalds/linux.git/commit
PatchThird Party Advisory
lists.debian.org / debian-lts-announce/2019/09/msg00014.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2019/09/msg00015.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2019/09/msg00025.html
Mailing ListThird Party Advisory
security.netapp.com / advisory/ntap-20191004-0001
Third Party Advisory
support.f5.com / csp/article/K52136304