8

CVE-2025-40141: Bluetooth: ISO: Fix possible UAF on iso_conn_free

Deferred
AliasesUBUNTU-CVE-2025-40141DEBIAN-CVE-2025-40141
Published 12-11-2025Last modified 15-10-2026

Vulnerability summary

CVE-2025-40141 is a high (CVSS 8.0) vulnerability in linux. EPSS estimates a 0.32% chance of exploitation in the next 30 days, higher than 25.4% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 8, adjacent network); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
8.0/10
010
High · v3.1 (CVE.org)
EPSS score
0.32%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 38 · Related 30
DLA-4379-1OPENSUSE-SU-2025:20172-1RHSA-2026:0489RHSA-2026:0747RHSA-2026:1194RHSA-2026:1441

Timeline

  1. 12-11-2025
    PublishedVulnerability first disclosed.
  2. 15-10-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: Fix possible UAF on iso_conn_free This attempt to fix similar issue to sco_conn_free where if the conn->sk is not set to NULL may lead to UAF on iso_conn_free.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.32%

Chance of exploitation in the next 30 days

Percentile

25%

Versus all other CVEs

30-day change

Increase +0.02 pp

From 0.30% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: adjacent network, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu127 products
  • linux< 6.8.0-106.106 | < 6.17.0-14.14
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 6.8.0-1050.53 | < 6.17.0-1007.7
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian1 product
  • linux< 6.1.158-1 | < 6.12.57-1 | < 6.17.6-1
Linux1 product
  • linux≥ ccf74f2390d60a2f9a75ef496d2564abb478f46a, < eba6d787ec117a5d2c60f9644e0a39c18542b6be | ≥ ccf74f2390d60a2f9a75ef496d2564abb478f46a, < 5319145a07d8bf5b0782b25cb3115825689d42bb | ≥ ccf74f2390d60a2f9a75ef496d2564abb478f46a, < 80689777919f02328eb873769de4647c9dd3e371 | ≥ ccf74f2390d60a2f9a75ef496d2564abb478f46a, < c92ad1a155ccfa38b87bd1d998287e1c0a24248d | ≥ ccf74f2390d60a2f9a75ef496d2564abb478f46a, < 9950f095d6c875dbe0c9ebfcf972ec88fdf26fc8 | 6.0

3 vendors · 129 products

References

24 links
Show all 24 references