8.3

CVE-2025-38343: wifi: mt76: mt7996: drop fragments with multicast or broadcast RA

Modified
AliasesUBUNTU-CVE-2025-38343DEBIAN-CVE-2025-38343
Published 10-07-2025Last modified 05-08-2026

Vulnerability summary

CVE-2025-38343 is a high (CVSS 8.3) vulnerability in linux. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 16.5% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 8.3, adjacent network); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
8.3/10
010
High · v3.1 (CVE.org)
EPSS score
0.25%
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 40 · Related 38

Timeline

  1. 10-07-2025
    PublishedVulnerability first disclosed.
  2. 05-08-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: drop fragments with multicast or broadcast RA IEEE 802.11 fragmentation can only be applied to unicast frames. Therefore, drop fragments with multicast or broadcast RA. This patch addresses vulnerabilities such as CVE-2020-26145.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.25%

Chance of exploitation in the next 30 days

Percentile

17%

Versus all other CVEs

30-day change

Increase +0.02 pp

From 0.23% 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, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu120 products
  • linux< 6.8.0-100.100
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 6.8.0-1046.49
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 98686cd21624c75a043e96812beadddf4f6f48e5, < 24900688ee47071aa6a61e78473999b5b80f0423 | ≥ 98686cd21624c75a043e96812beadddf4f6f48e5, < d4b93f9c2f666011dcf810050ef60a6b8d06f186 | ≥ 98686cd21624c75a043e96812beadddf4f6f48e5, < 5fd5b8132b5de08c99eea003f7715ff2e361b007 | ≥ 98686cd21624c75a043e96812beadddf4f6f48e5, < 80fda1cd7b0a1edd0849dc71403a070d0922118d | 6.2
  • linux_kernel≥ 6.2, < 6.6.95 | ≥ 6.7, < 6.12.35 | ≥ 6.13, < 6.15.4
Debian1 product
  • linux< 6.12.35-1

3 vendors · 123 products

References

31 links
Show all 31 references