CVE-2026-46255

dmaengine: fsl-edma: don't explicitly disable clocks in .remove()

State
Published
Severity
Not scored
Published
Jun 3, 2026
Updated
Jun 3, 2026
Reserved
May 13, 2026

Read the record on cve.org

Description

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

dmaengine: fsl-edma: don't explicitly disable clocks in .remove()

The clocks in fsl_edma_engine::muxclk are allocated and enabled with devm_clk_get_enabled(), which automatically cleans these resources up, but these clocks are also manually disabled in fsl_edma_remove(). This causes warnings on driver removal for each clock:

edma_module already disabled WARNING: CPU: 0 PID: 418 at drivers/clk/clk.c:1200 clk_core_disable+0x198/0x1c8 [...] Call trace: clk_core_disable+0x198/0x1c8 (P) clk_disable+0x34/0x58 fsl_edma_remove+0x74/0xe8 [fsl_edma] [...] ---[ end trace 0000000000000000 ]--- edma_module already unprepared WARNING: CPU: 0 PID: 418 at drivers/clk/clk.c:1059 clk_core_unprepare+0x1f8/0x220 [...] Call trace: clk_core_unprepare+0x1f8/0x220 (P) clk_unprepare+0x34/0x58 fsl_edma_remove+0x7c/0xe8 [fsl_edma] [...] ---[ end trace 0000000000000000 ]---

Fix these warnings by removing the unnecessary fsl_disable_clocks() call in fsl_edma_remove().

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • a9903de3aa16731846bf924342eca44bdabe9be6 to before 533d495f15e4c88ad5246c7f90ae026702e28d75Affected
  • a9903de3aa16731846bf924342eca44bdabe9be6 to before 68feac21bd4de7ae4faba05704c404861d991fcfAffected
  • a9903de3aa16731846bf924342eca44bdabe9be6 to before bda244871179543dd3be7d093236cb33b2fb1765Affected
  • a9903de3aa16731846bf924342eca44bdabe9be6 to before b84dba68c4823da452cec99a5d213571a65d06deAffected
  • a9903de3aa16731846bf924342eca44bdabe9be6 to before 666c53e94c1d0bf0bdf14c49505ece9ddbe725bcAffected
LinuxLinux
  • 6.6Affected
  • before 6.6Not affected
  • 6.6.128 through 6.6.*Not affected
  • 6.12.75 through 6.12.*Not affected
  • 6.18.14 through 6.18.*Not affected
  • 6.19.4 through 6.19.*Not affected
  • 7.0 and laterNot affected

References

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