CVE-2021-46911

ch_ktls: Fix kernel panic

Description

In the Linux kernel, the following vulnerability has been resolved: ch_ktls: Fix kernel panic Taking page refcount is not ideal and causes kernel panic sometimes. It's better to take tx_ctx lock for the complete skb transmit, to avoid page cleanup if ACK received in middle.

5.5

CVSS

Severity: Medium

CVSS 3.1 •

EPSS 0.02%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/8d5a9dbd2116a852f8f0f91f6fbc42a0afe1091f	patch
https://git.kernel.org/stable/c/8348665d4181c68b0ca1205b48e1753d78bc810f	patch
https://git.kernel.org/stable/c/1a73e427b824133940c2dd95ebe26b6dce1cbf10	patch

Frequently Asked Questions

What is the severity of CVE-2021-46911?: CVE-2021-46911 has been scored as a medium severity vulnerability.
How to fix CVE-2021-46911?: To fix CVE-2021-46911, 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-2021-46911 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-46911 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-2021-46911?: CVE-2021-46911 affects Linux Linux, Linux Linux.

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