Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2021-47263

17
FAUCET Score

CVE-2021-47263 is a shift-out-of-bounds error in the Linux kernel's gpio-wcd934x driver, affecting Linux kernel versions. This vulnerability has a CVSS score of 5.5 (Medium), indicating a local attack vector with low complexity, requiring low privileges, and leading to high availability impact. There is no known active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.6, < 5.10.44CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.11, < 5.12.11CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
5.13CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:*
5.13CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:*
5.13CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:5.13:rc3:*:*:*:*:*:*

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
0.22%
Probability of exploitation in next 30 days
EPSS Percentile
13.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0022 is in the 59th 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-2021-47263Low

kernel: gpio: wcd934x: Fix shift-out-of-bounds error

May 21, 2024

References

git.kernel.org / stable/c/dbec64b11c65d74f31427e2b9d5746fbf17bf840
Patch
git.kernel.org / stable/c/dd55331d493b7ea75c5db1f24d6822946fde2862
Patch
git.kernel.org / stable/c/e0b518a2eb44d8a74c19e50f79a8ed393e96d634
Patch