Riskcovery

CVE-2026-64169

spi: ep93xx: fix error pointer deref after DMA setup failure

State
Published
Severity
Not scored
Published
Jul 19, 2026
Updated
Jul 19, 2026
Reserved
Jul 19, 2026

Read the record on cve.org

Description

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

spi: ep93xx: fix error pointer deref after DMA setup failure

The driver falls back to PIO mode if DMA setup fails during probe.

Make sure to the clear the DMA channel pointers on setup failure to avoid dereferencing an error pointer on later probe errors or driver unbind.

This issue was flagged by Sashiko when reviewing a devres allocation conversion patch.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • e79e7c2df6277ee1ad9364a231f6183da4492415 to before b6c0dabea07e25bd7db19a77ebfd0d02b9e2671aAffected
  • e79e7c2df6277ee1ad9364a231f6183da4492415 to before 8e027db9fa310b1d5e7ad928510be800c4f004d9Affected
  • e79e7c2df6277ee1ad9364a231f6183da4492415 to before 0e2189ab095e3657f37b8295f3f2bbcde0f27529Affected
  • e79e7c2df6277ee1ad9364a231f6183da4492415 to before 5e121a81667a83e9a01d62b429e340f5a4a84abcAffected
LinuxLinux
  • 6.12Affected
  • before 6.12Not affected
  • 6.12.92 through 6.12.*Not affected
  • 6.18.34 through 6.18.*Not affected
  • 7.0.11 through 7.0.*Not affected
  • 7.1 and laterNot affected

References

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