Vulnerability in Linux
CVE-2021-47251
In the Linux kernel, the following vulnerability has been resolved: mac80211: fix skb length check in ieee80211_scan_rx() Replace hard-coded compile-time constants for header length check with dynamic determination based on the frame type. Otherwise, we hit a validation WARN_ON in cfg80211 later. [style fixes, reword commit message]
EPSS: 0.002 (14.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Linux — versions cd418ba63f0c2f6157f35a41c9accc6ecb52590a, 5.10, 0
- Linux Linux_kernel — versions 5.13
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2021-47251?
- CVE-2021-47251 is a high-severity vulnerability in Linux, classified under Improper Validation of Specified Quantity in Input. CVSS score: 7.8/10. Published 2024-05-21.
- How severe is CVE-2021-47251?
- High severity. CVSS v3 base score is 7.8 out of 10.