CVE-2021-47215

net/mlx5e: kTLS, Fix crash in RX resync flow

Description

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.

5.5

CVSS

Severity: Medium

CVSS 3.1 •

EPSS 0.01%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/ebeda7a9528ae690e6bf12791a868f0cca8391f2	patch
https://git.kernel.org/stable/c/cc4a9cc03faa6d8db1a6954bb536f2c1e63bdff6	patch

Frequently Asked Questions

What is the severity of CVE-2021-47215?: CVE-2021-47215 has been scored as a medium severity vulnerability.
How to fix CVE-2021-47215?: To fix CVE-2021-47215, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-47215 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-47215 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-47215?: CVE-2021-47215 affects Linux Linux, Linux Linux.

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