CVE-2026-89594 Linux Kernel - Denial of Service

Linux kernel contains a denial of service caused by missing DMA mask setup in the OMAP SSI controller device, letting attackers trigger crashes or warnings during DMA operations, exploit requires driver usage of the affected device.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
EPSS
0.17% 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
11 September 2026
Updated
15 October 2026

Vendor fix

Update to the latest Linux kernel version with the DMA mask initialization fix.

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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