Riskcovery

CVE-2021-46911

ch_ktls: Fix kernel panic

State
Published
Severity
9.8 Critical
Published
Feb 27, 2024
Updated
Aug 5, 2026
Reserved
Feb 25, 2024

Read the record on cve.org

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

CVSSScoreVectorSource
3.19.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HLinux

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • 5a4b9fe7fece62ecab6fb28fe92362f83b41c33e to before 8d5a9dbd2116a852f8f0f91f6fbc42a0afe1091fAffected
  • 5a4b9fe7fece62ecab6fb28fe92362f83b41c33e to before 8348665d4181c68b0ca1205b48e1753d78bc810fAffected
  • 5a4b9fe7fece62ecab6fb28fe92362f83b41c33e to before 1a73e427b824133940c2dd95ebe26b6dce1cbf10Affected
LinuxLinux
  • 5.7Affected
  • before 5.7Not affected
  • 5.10.32 through 5.10.*Not affected
  • 5.11.16 through 5.11.*Not affected
  • 5.12 and laterNot affected

References

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