CVE-2023-32253

MEDIUM
MEDIUM Priority: 0.02 BB Relevance: 62/100
Published: 2025-08-02 Modified: 2026-11-09 First seen: 2026-11-09 Status: active

Attack Surface

Network No Auth No Interaction

CVSS Vector Breakdown

AV: Network
AC: High
PR: None
UI: None
S: Unchanged
C: None
I: None
A: High

Description

A flaw was found in the Linux kernel's ksmbd component. A deadlock is triggered by sending multiple concurrent session setup requests, possibly leading to a denial of service.

Weakness Classification (1)

Affected Software (5)

VendorProductVersion
— — 0 < 5.15.112
— — 6.0.0 < 6.0.*
— — 6.1.0 < 6.1.28
— — 6.2.0 < 6.2.15
— — 6.3.0 < 6.3.2

References & Advisories (2)

https://bugzilla.redhat.com/show_bug.cgi?id=2385886
issue-tracking x_refsource_REDHAT

Bug Bounty Relevance

62 / 100
✓ Network accessible
✓ No authentication
✓ No user interaction

CVSS Score

5.9 / 10.0 v3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

0.33%
Raw Score 0.003340
Percentile 27.2%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00334
2026-11-12
0.00334
2026-11-10
0.00334
2026-11-09
0.00334
2026-11-08
0.00334

Intelligence Sources

mitre ref →
nvd ref →