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CVE-2021-47445

17
FAUCET Score

CVE-2021-47445 is a null pointer dereference vulnerability in the Linux kernel's drm/msm driver, affecting Linux and Linux_kernel products. This flaw, rated Medium severity (CVSS 5.5), could lead to a denial of service (availability impact) through local, low-privileged access with low attack complexity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.0, < 4.4.290CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.5, < 4.9.288CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.10, < 4.14.252CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.15, < 4.19.213CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.20, < 5.4.155CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

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:N/I:N/A:H

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

Exploit Intelligence

EPSS Score
0.23%
Probability of exploitation in next 30 days
EPSS Percentile
13.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0023 is in the 60th 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-2021-47445Low

kernel: drm/msm: Fix null pointer dereference on pointer edp

May 22, 2024

References

git.kernel.org / stable/c/0cd063aa0a09822cc1620fc59a67fe2f9f6338ac
Patch
git.kernel.org / stable/c/2133c4fc8e1348dcb752f267a143fe2254613b34
Patch
git.kernel.org / stable/c/46c8ddede0273d1d132beefa9de8b820326982be
Patch
git.kernel.org / stable/c/7f642b93710b6b1119bdff90be01e6b5a2a5d669
Patch
git.kernel.org / stable/c/91a340768b012f5b910a203a805b97a345b3db37
Patch
git.kernel.org / stable/c/bacac7d26849c8e903ceb7466d9ce8dc3c2797eb
Patch
git.kernel.org / stable/c/f175b9a83e5c252d7c74acddc792840016caae0a
Patch
git.kernel.org / stable/c/f302be08e3de94db8863a0b2958b2bb3e8e998e6
Patch