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VULNERABILITIES

CVE-2021-47251 Details

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]

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://git.kernel.org/stable/c/5a1cd67a801cf5ef989c4783e07b86a25b143126 kernel.orgPatch
https://git.kernel.org/stable/c/d1b949c70206178b12027f66edc088d40375b5cb kernel.orgPatch
https://git.kernel.org/stable/c/e298aa358f0ca658406d524b6639fe389cb6e11e kernel.orgPatch
https://git.kernel.org/stable/c/5a1cd67a801cf5ef989c4783e07b86a25b143126 CVEPatch
https://git.kernel.org/stable/c/d1b949c70206178b12027f66edc088d40375b5cb CVEPatch

see all 6 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-1284Improper Validation of Specified Quantity in Input[email protected]

Affected Products

ProductVersions
linux linux kernel
>= 5.10, < 5.10.46
>= 5.11, < 5.12.13
5.13 rc1
5.13 rc2
5.13 rc3

CPE

  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.13:rc3:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.13:rc4:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.13:rc5:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.13:rc6:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-47251
NVD Published Date:
May 21, 2024
NVD Last Modified:
Jun 17, 2026
Source:
kernel.org
CVE-2021-47251 Details - Not Deferred