CVE-2021-46911

CRITICAL

Linux Kernel - Kernel Panic in ch_ktls

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 9.8
EPSS 0.0059
EPSS Percentile 45.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

Status published
Products (9)
Linux/Linux < 5.7
Linux/Linux 5.10.32 - 5.10.*
Linux/Linux 5.11.16 - 5.11.*
Linux/Linux 5.12
Linux/Linux 5.7
Linux/Linux 5a4b9fe7fece62ecab6fb28fe92362f83b41c33e - 1a73e427b824133940c2dd95ebe26b6dce1cbf10
Linux/Linux 5a4b9fe7fece62ecab6fb28fe92362f83b41c33e - 8348665d4181c68b0ca1205b48e1753d78bc810f
Linux/Linux 5a4b9fe7fece62ecab6fb28fe92362f83b41c33e - 8d5a9dbd2116a852f8f0f91f6fbc42a0afe1091f
linux/linux_kernel 5.7.0 - 5.10.32
Published Feb 27, 2024
Tracked Since Feb 18, 2026