CVE-2025-39991: wifi: ath11k: fix NULL dereference in ath11k_qmi_m3_load()

Deferred
AliasesUBUNTU-CVE-2025-39991DEBIAN-CVE-2025-39991
Published 15-10-2025Last modified 14-09-2026

Vulnerability summary

CVE-2025-39991 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.20% chance of exploitation in the next 30 days, higher than 9.7% of scored vulnerabilities.

Priority
Insufficient evidence

No CVSS vector published; no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
0.20%
0%100%
Low · 0.00 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 27 · Related 27
OPENSUSE-SU-2025:15671-1OPENSUSE-SU-2025:20091-1OPENSUSE-SU-2026:10301-1SUSE-SU-2025:21040-1SUSE-SU-2025:21052-1SUSE-SU-2025:21056-1

Timeline

  1. 15-10-2025
    PublishedVulnerability first disclosed.
  2. 14-09-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix NULL dereference in ath11k_qmi_m3_load() If ab->fw.m3_data points to data, then fw pointer remains null. Further, if m3_mem is not allocated, then fw is dereferenced to be passed to ath11k_err function. Replace fw->size by m3_len. Found by Linux Verification Center (linuxtesting.org) with SVACE.

CVSS metrics

Risk metrics not yet published.

EPSS trend

Probability

0.20%

Chance of exploitation in the next 30 days

Percentile

10%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.20% 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: not stated in public data.

Ubuntu121 products
  • linux< 6.8.0-106.106 | < 6.17.0-6.6
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 6.8.0-1050.53 | < 6.17.0-1003.3
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian1 product
  • linux< 6.12.57-1 | < 6.16.11-1
Linux1 product
  • linux≥ 98e373dc08187c3f1cd97342b369fa2b0f24005e, < 7554d498e4283c3b4559795abd175eb24a84f47f | ≥ 7db88b962f06a52af5e9a32971012e8f3427cec0, < 1f52119809b76d43759fc47da1cf708690b740a1 | ≥ 7db88b962f06a52af5e9a32971012e8f3427cec0, < 888830b2cbc035838bebefe94502976da94332a5 | ≥ 7db88b962f06a52af5e9a32971012e8f3427cec0, < 500fcc31e488d798937a23dbb1f62db46820c5b2 | ≥ 7db88b962f06a52af5e9a32971012e8f3427cec0, < 3fd2ef2ae2b5c955584a3bee8e83ae7d7a98f782 | 6.7

3 vendors · 123 products

References

19 links
Show all 19 references