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-2023-32255

24
FAUCET Score

CVE-2023-32255 describes a memory leak vulnerability in the Linux kernel's ksmbd component, which can be triggered by an unauthenticated client sending a malformed session setup request. This flaw has a CVSS score of 5.3 (Medium) and could lead to denial of service through resource exhaustion. While the vulnerability is easily exploitable over the network with low attack complexity, there is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding it.

Impacted Technologies

VendorProductVersion(s)CPE
Https://Git.Kernel.Org/Pub/Scm/Linux/Kernel/Git/Torvalds/Linux.Git/Linux
>= 0, < 5.15.111, >= 6.0.0, < 6.0.*, >= 6.1.0, < 6.1.28, >= 6.2.0, < 6.2.15, >= 6.3.0, < 6.3.2CNA affecteddefault unaffected

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.47%
Probability of exploitation in next 30 days
EPSS Percentile
38.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0047 is in the 24th percentile among its peer group of 23,725 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Vendor Advisories (1)

redhatCVE-2023-32255Moderate

kernel: Memory leak via ksmbd session setup request with unknown NTLMSSP message type

May 17, 2023

References

access.redhat.com / security/cve/CVE-2023-32255
bugzilla.redhat.com / show_bug.cgi
git.kernel.org / pub/scm/linux/kernel/git/torvalds/linux.git/commit
zerodayinitiative.com / advisories/ZDI-23-703