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416baaa9-dc9f-4396-8d5f-8c081fb06d67NVD:CVE-2021-47251

HistoryMay 21, 2024 - 3:15 p.m.

CVE-2021-47251

2024-05-2115:15:14

416baaa9-dc9f-4396-8d5f-8c081fb06d67

web.nvd.nist.gov

linux

kernel

mac80211

vulnerability

resolved

header length check

6.5 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

15.5%

JSON

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]

References

git.kernel.org/stable/c/5a1cd67a801cf5ef989c4783e07b86a25b143126

git.kernel.org/stable/c/d1b949c70206178b12027f66edc088d40375b5cb

git.kernel.org/stable/c/e298aa358f0ca658406d524b6639fe389cb6e11e