CVE-2026-89994 Linux kernel dmaengine fsl-edma - Denial of Service

Linux kernel dmaengine fsl-edma contains a use-after-free vulnerability caused by dereferencing invalid pointers in tracing log output, letting attackers trigger a crash via event injection, exploit requires access to kernel tracing interface.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
EPSS
0.20% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
16 September 2026
Updated
15 October 2026

Vendor fix

Update to the latest Linux kernel version with the fix applied.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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