Out-of-bounds Read in Linux
CVE-2025-37973
In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: fix out-of-bounds access during multi-link element defragmentation Currently during the multi-link element defragmentation process, the multi-link element length added to the total IEs length when calculating the length of remaining IEs after the multi-link element in cfg80211_defrag_mle(). This could lead to out-of-bounds access if the multi-link element or its corresponding fragment elements are the last elements in the IEs buffer. To address this issue, correctly calculate the remaining IEs length by deducting the multi-link element end offset from total IEs end offset.
Vulnerability class: Buffer Overflow
EPSS: 0.002 (14.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.
Affected products
- Linux — versions 2481b5da9c6b2ee1fde55a1c29eb2ca377145a10, 6.5, 0
- Linux Linux_kernel — versions 6.15
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2025-37973?
- CVE-2025-37973 is a high-severity vulnerability in Linux, classified under Out-of-bounds Read. CVSS score: 8.1/10. Published 2025-05-20.
- How severe is CVE-2025-37973?
- High severity. CVSS v3 base score is 8.1 out of 10.