CVE-2025-38343
CVE-2025-38343 is a medium-severity vulnerability in Linux Linux Kernel with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- EPSS exploit prediction: 0% (4th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-20903
- Affected product: Linux Linux Kernel
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2025-38343?
- 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.
- How severe is CVE-2025-38343?
- CVE-2025-38343 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2025-38343 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-38343?
- CVE-2025-38343 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-38343?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-38343 have an EU (EUVD) identifier?
- Yes. CVE-2025-38343 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-20903.
- When was CVE-2025-38343 published?
- CVE-2025-38343 was published on 2025-07-10 and last updated on 2026-06-17.
References
- https://git.kernel.org/stable/c/24900688ee47071aa6a61e78473999b5b80f0423
- https://git.kernel.org/stable/c/5fd5b8132b5de08c99eea003f7715ff2e361b007
- https://git.kernel.org/stable/c/80fda1cd7b0a1edd0849dc71403a070d0922118d
- https://git.kernel.org/stable/c/d4b93f9c2f666011dcf810050ef60a6b8d06f186
Affected products (1)
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
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