CVE-2021-47611

Medium

In the Linux kernel, the following vulnerability has been resolved: mac80211: validate extended element ID is present Before attempting to parse an extended element, verify that the extended element ID is present.

Package Linux Kernel
Published 2024-06-19
Last modified 2024-11-21
CVSS version 3.1
Patch available
Yes

CVSS 3.1 score

5.5

out of 10
Medium
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
High
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected versions

Linux kernel versions 4.19 and later are affected. Fixed in 4.19.222, 5.4.168, 5.10.88, 5.15.11, 5.16 and their respective stable series.

Affected from
≥ 4.19
Fixed in
✓ 4.19.222 4.19.x ✓ 5.4.168 5.4.x ✓ 5.10.88 5.10.x ✓ 5.15.11 5.15.x ✓ 5.16

References

5 total

Frequently asked questions

  • What is CVE-2021-47611?

    CVE-2021-47611 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 4.19 onward and has been patched in 4.19.222, 5.4.168, 5.10.88 and others. CVE-2021-47611 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2021-47611?

    CVE-2021-47611 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H .

  • Is there a patch available for CVE-2021-47611?

    Yes. CVE-2021-47611 has been patched. Fixed versions include 4.19.222, 5.4.168, 5.10.88 and others. If you are running Linux kernel 4.19 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2021-47611 actively exploited?

    No. CVE-2021-47611 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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