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CVE-2019-15920

18
FAUCET Score

CVE-2019-15920 is a use-after-free vulnerability in the SMB2_read function of the Linux kernel (specifically in fs/cifs/smb2pdu.c) affecting versions prior to 5.0.10, and not fully resolved until 5.0.11. This medium-severity flaw (CVSS 4.3) can be exploited remotely with low privileges, potentially leading to a loss of confidentiality. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 5.0.10CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
15.0CPE matchmatch criteria
cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
15.1CPE matchmatch criteria
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.77%
Probability of exploitation in next 30 days
EPSS Percentile
75.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0177 is in the 89th percentile among its peer group of 21,974 CVEs.

Social Chatter

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

Remediation

Patch Available

Vendor Patches (3)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-0:4.18.0-147.el8
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-rt

Vendor Advisories (1)

redhatCVE-2019-15920Moderate

kernel: use-after-free information leak in SMB2_read

Sep 4, 2019

References

lists.opensuse.org / opensuse-security-announce/2019-09/msg00064.html
Third Party Advisory
lists.opensuse.org / opensuse-security-announce/2019-09/msg00066.html
Third Party Advisory
cdn.kernel.org / pub/linux/kernel/v5.x/ChangeLog-5.0.10
Mailing ListVendor Advisory
github.com / torvalds/linux/commit/088aaf17aa79300cab14dbee2569c58cfafd7d6e
ExploitPatchThird Party Advisory
security.netapp.com / advisory/ntap-20191004-0001
Third Party Advisory