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CVE-2019-18786

19
FAUCET Score

CVE-2019-18786 is a memory disclosure vulnerability in the Linux kernel, specifically affecting versions through 5.3.8, including Canonical and Ubuntu Linux distributions. The flaw stems from an uninitialized variable in the rcar_drif_g_fmt_sdr_cap function, which could lead to sensitive memory exposure. Rated as Medium severity (CVSS 5.5), it requires local access with low privileges and has a high confidentiality impact, but no integrity or availability impact. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 5.3.8CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
16.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
18.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
19.10CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.35%
Probability of exploitation in next 30 days
EPSS Percentile
27.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0035 is in the 84th percentile among its peer group of 15,940 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 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 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2019-18786Low

kernel: memory disclosure in rcar_drif_g_fmt_sdr_cap in drivers/media/platform/rcar_drif.c

Oct 18, 2019

References

patchwork.linuxtv.org / patch/59542
Issue TrackingPatchThird Party Advisory
usn.ubuntu.com / 4284-1
Third Party Advisory
usn.ubuntu.com / 4285-1
Third Party Advisory
usn.ubuntu.com / 4287-1
Third Party Advisory
usn.ubuntu.com / 4287-2
Third Party Advisory