CVE-2026-89976

linux: In the Linux kernel, the following vulnerability has been resolved: accel/ethosu: fix job completion fence cleanup...

CVE-2026-89976 is fixed in linux on 1 platform by DEBIAN-CVE-2026-89976 (version 7.2.6-1), released September 23, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
n/a
No vendor severity
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0020
9th percentile

In the Linux kernel, the following vulnerability has been resolved: accel/ethosu: fix job completion fence cleanup ethosu_ioctl_submit_job() allocates done_fence before validating buffer handles. Errors after allocation call ethosu_job_err_cleanup(), which frees the job but leaks the uninitialized fence. A scheduler dependency error also lets ethosu_job_run() return before dma_fence_init(). Normal cleanup then passes a zeroed refcount to dma_fence_put(). Release done_fence in the common cleanup path and use dma_fence_was_initialized() to distinguish initialized fences from raw allocations. [robh: also fix goto]

Where it's fixed

ProductFixed inFixReleased
Linux
linux · Debian 14 7.2.6-1 DEBIAN-CVE-2026-89976 Sep 23, 2026

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