CVE-2021-46948

sfc: farch: fix TX queue lookup in TX event handling

State
Published
Severity
7.5 High
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:

sfc: farch: fix TX queue lookup in TX event handling

We're starting from a TXQ label, not a TXQ type, so efx_channel_get_tx_queue() is inappropriate (and could return NULL, leading to panics).

Scores

CVSSScoreVectorSource
3.17.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HLinux

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • 12804793b17c0e19115a90d98f2f3df0cb79e233 to before bf2b941d0a6f2d3b9f5fa3c4c21bdd54f71ce253Affected
  • 12804793b17c0e19115a90d98f2f3df0cb79e233 to before 35c7a83ad1bb1d48ae249346e61b1132bcbf9052Affected
  • 12804793b17c0e19115a90d98f2f3df0cb79e233 to before e531db1ea6f98c9612cb2de093a107c7eadfb96cAffected
  • 12804793b17c0e19115a90d98f2f3df0cb79e233 to before 83b09a1807415608b387c7bc748d329fefc5617eAffected
LinuxLinux
  • 5.10Affected
  • before 5.10Not affected
  • 5.10.36 through 5.10.*Not affected
  • 5.11.20 through 5.11.*Not affected
  • 5.12.3 through 5.12.*Not affected
  • 5.13 and laterNot affected

References

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