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-2023-54076

10
FAUCET Score

CVE-2023-54076 is a use-after-free vulnerability in the Linux kernel's SMB client, specifically related to session reference counting. This flaw could lead to system instability or potentially arbitrary code execution if exploited. While no CVSS score is available, its FAUCET Risk Score is 7/100, suggesting a low-to-moderate severity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 6.2.15, < 6.3CPE match
cpe:2.3:a:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 6.3.2, < 6.4CPE match
cpe:2.3:a:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS data has not been published for this CVE.

Exploit Intelligence

EPSS Score
0.16%
Probability of exploitation in next 30 days
EPSS Percentile
5.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15

Social Chatter

No social media mentions found for this CVE.

Media Mentions

No media coverage found for this CVE.

Remediation

Vendor Patches (2)

redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (1)

redhatCVE-2023-54076Low

kernel: smb: client: fix missed ses refcounting

Dec 24, 2025

References

git.kernel.org / stable/c/bf99f6be2d20146942bce6f9e90a0ceef12cbc1e
git.kernel.org / stable/c/eb382196e6f6e05cfafdab797840e5a96c6e7bf0