CVEvulnerability
CVE-2021-47251
7.8 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2024-05-21
- Last modified
- 2026-06-17
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-1284
Description
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]
Affected configurations
• linux linux kernel (>= 5.10 < 5.10.46)
• linux linux kernel (>= 5.11 < 5.12.13)
• linux linux kernel 5.13
Related
Weakness · CWE (1)
- CWE-1284 Improper Validation of Specified Quantity in Input weakness
References
- https://git.kernel.org/stable/c/5a1cd67a801cf5ef989c4783e07b86a25b143126 Patch
- https://git.kernel.org/stable/c/d1b949c70206178b12027f66edc088d40375b5cb Patch
- https://git.kernel.org/stable/c/e298aa358f0ca658406d524b6639fe389cb6e11e Patch
- https://git.kernel.org/stable/c/5a1cd67a801cf5ef989c4783e07b86a25b143126 Patch
- https://git.kernel.org/stable/c/d1b949c70206178b12027f66edc088d40375b5cb Patch
- https://git.kernel.org/stable/c/e298aa358f0ca658406d524b6639fe389cb6e11e Patch