spi: ep93xx: fix error pointer deref after DMA setup failure (Linux Linux)

CVE-2026-64169
MEDIUM 5.5

At a glance

Source
NVD
EPSS
EPSS 0.16 % · percentile 5 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Analyzed

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.

Weaknesses (CWE)

  • CWE-476 — NULL Pointer Dereference

References

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Linux · Linuxaffected e79e7c2df6277ee1ad9364a231f6183da4492415 < b6c0dabea07e25bd7db19a77ebfd0d02b9e2671a ; affected e79e7c2df6277ee1ad9364a231f6183da4492415 < 8e027db9fa310b1d5e7ad928510be800c4f004d9 ; affected e79e7c2df6277ee1ad9364a231f6183da4492415 < 0e2189ab095e3657f37b8295f3f2bbcde0f27529 ; affected e79e7c2df6277ee1ad9364a231f6183da4492415 < 5e121a81667a83e9a01d62b429e340f5a4a84abc
Linux · Linuxaffected 6.12 ; unaffected 0 < 6.12 ; unaffected 6.12.92 ≤ 6.12.* ; unaffected 6.18.34 ≤ 6.18.* ; unaffected 7.0.11 ≤ 7.0.* ; unaffected 7.1 ≤ *

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD