What is CVE-2021-46911?

CVE-2021-46911 is a critical-severity vulnerability in Linux. CVSS score: 9.8/10. Published 2024-02-27.

How severe is CVE-2021-46911?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Linux

CVE-2021-46911

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.

EPSS: 0.002 (12.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux — versions 5a4b9fe7fece62ecab6fb28fe92362f83b41c33e, 5.7, 0
Linux Linux_kernel

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2021-46911?: CVE-2021-46911 is a critical-severity vulnerability in Linux. CVSS score: 9.8/10. Published 2024-02-27.
How severe is CVE-2021-46911?: Critical severity. CVSS v3 base score is 9.8 out of 10.