What is CVE-2021-47215?

CVE-2021-47215 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10. CVE-2021-47215 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2021-47215?

CVE-2021-47215 has a CVSS score of 5.5 out of 10, rated Medium severity. 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-2021-47215?

No patch is currently available for CVE-2021-47215. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2021-47215 actively exploited?

CVE-2021-47215 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2021-47215

Medium

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: kTLS, Fix crash in RX resync flow For the TLS RX resync flow, we maintain a list of TLS contexts that require some attention, to communicate their resync information to the HW. Here we fix list corruptions, by protecting the entries against movements coming from resync_handle_seq_match(), until their resync handling in napi is fully completed.

Package Linux Kernel

Published 2024-04-10

Last modified 2025-03-27

CVSS version 3.1

Patch available

Awaiting data

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

References

The following references provide additional information about CVE-2021-47215 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel patch commit
https://git.kernel.org/stable/c/cc4a9cc03faa6d8db1a6954bb536f2c1e63bdff6
Patch
Kernel patch commit
https://git.kernel.org/stable/c/ebeda7a9528ae690e6bf12791a868f0cca8391f2
Patch

Details

CVE ID CVE-2021-47215

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-04-10

Modified 2025-03-27

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2021-47215?

CVE-2021-47215 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . CVE-2021-47215 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2021-47215?

CVE-2021-47215 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-2021-47215?

No patch is currently available for CVE-2021-47215. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2021-47215 actively exploited?

No — CVE-2021-47215 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.