CVE-2021-46911

Summary

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux5a4b9fe7fece62ecab6fb28fe92362f83b41c33e < 8d5a9dbd2116a852f8f0f91f6fbc42a0afe1091faffected
LinuxLinux5a4b9fe7fece62ecab6fb28fe92362f83b41c33e < 8348665d4181c68b0ca1205b48e1753d78bc810faffected
LinuxLinux5a4b9fe7fece62ecab6fb28fe92362f83b41c33e < 1a73e427b824133940c2dd95ebe26b6dce1cbf10affected
LinuxLinux5.7affected
LinuxLinux0 < 5.7unaffected
LinuxLinux5.10.32 <= 5.10.*unaffected
LinuxLinux5.11.16 <= 5.11.*unaffected
LinuxLinux5.12 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

CVE Program Container

Additional References

References