CVE-2021-46949

Summary

In the Linux kernel, the following vulnerability has been resolved:

sfc: farch: fix TX queue lookup in TX flush done handling

We're starting from a TXQ instance number ('qid'), not a TXQ type, so efx_get_tx_queue() is inappropriate (and could return NULL, leading to panics).

Affected Software

VendorProductVersion RangeStatus
LinuxLinux12804793b17c0e19115a90d98f2f3df0cb79e233 < fb791572d6747ef385f628450f8d57cd132e6e5aaffected
LinuxLinux12804793b17c0e19115a90d98f2f3df0cb79e233 < a1570985ec04116cc665b760faf666a104154170affected
LinuxLinux12804793b17c0e19115a90d98f2f3df0cb79e233 < 98d91180748986bfb6dfb3e72765f3225719a647affected
LinuxLinux12804793b17c0e19115a90d98f2f3df0cb79e233 < 5b1faa92289b53cad654123ed2bc8e10f6ddd4acaffected
LinuxLinux5.10affected
LinuxLinux0 < 5.10unaffected
LinuxLinux5.10.36 <= 5.10.*unaffected
LinuxLinux5.11.20 <= 5.11.*unaffected
LinuxLinux5.12.3 <= 5.12.*unaffected
LinuxLinux5.13 <= *unaffected

Weaknesses

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

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

References