CVE-2025-39933

MEDIUM
MEDIUM Priority: 0.02 BB Relevance: 36/100
Published: 2025-10-04 Modified: 2026-10-30 First seen: 2026-10-30 Status: active

Attack Surface

Low Complexity No Interaction

CVSS Vector Breakdown

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

Description

In the Linux kernel, the following vulnerability has been resolved: smb: client: let recv_done verify data_offset, data_length and remaining_data_length This is inspired by the related server fixes.

Affected Software (13)

VendorProductVersion
Linux Linux f198186aa9bbd60fae7a2061f4feec614d880299 < fdc23a47be015fba915c4f9dfd43c65ad4829a35
Linux Linux f198186aa9bbd60fae7a2061f4feec614d880299 < f23d5c6b7540ec9b1e73a8ea3b2ae9045248d728
Linux Linux f198186aa9bbd60fae7a2061f4feec614d880299 < 241e58de23e7c1bbb9bee526c17d9a0f2a90fbad
Linux Linux f198186aa9bbd60fae7a2061f4feec614d880299 < 581fb78e0388b78911b0c920e4073737090c8b5f
Linux Linux f198186aa9bbd60fae7a2061f4feec614d880299 < f57e53ea252363234f86674db475839e5b87102e
Linux Linux 4.16
linux linux_kernel 4.16 – 6.16.9
linux linux_kernel 6.17
linux linux_kernel 6.17
linux linux_kernel 6.17
linux linux_kernel 6.17
linux linux_kernel 6.17
linux linux_kernel 6.17

Bug Bounty Relevance

36 / 100
✓ Low complexity
✓ No user interaction

CVSS Score

5.5 / 10.0 v3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

0.35%
Raw Score 0.003470
Percentile 28.4%
Date 2026-11-01

EPSS Trend

2026-11-01
0.00347
2026-10-31
0.00347
2026-10-30
0.00347
2026-10-29
0.00347

Intelligence Sources

mitre ref →
nvd ref →