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-2022-50404

20
FAUCET Score

CVE-2022-50404 is a memory leak vulnerability in the Linux kernel's fbdev subsystem, specifically within the fbcon component, affecting Linux kernel versions. This medium severity vulnerability (CVSS 5.5) allows a local attacker to cause a denial of service (high availability impact) due to unreleased memory buffers when font setting operations fail. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.15.64, < 5.15.86CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.19.6, < 6.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 6.0.1, < 6.0.16CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 6.1, < 6.1.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:6.0:-:*:*:*:*:*:*

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
0.15%
Probability of exploitation in next 30 days
EPSS Percentile
4.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0015 is in the 30th 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-2022-50404Moderate

kernel: fbdev: fbcon: release buffer when fbcon_do_set_font() failed

Sep 18, 2025

References

git.kernel.org / stable/c/06926607b9fddf7ce8017493899ce6eb7e79a123
Patch
git.kernel.org / stable/c/3c3bfb8586f848317ceba5d777e11204ba3e5758
Patch
git.kernel.org / stable/c/5a341810a22e51c3a7a108f7896b5fd58d44d127
Patch
git.kernel.org / stable/c/88ec6d11052da527eb9268831e7a9bc5bbad02f6
Patch
git.kernel.org / stable/c/a609bfc1e644a8467cb31945ed1488374ebdc013
Patch