What is CVE-2026-53170?

CVE-2026-53170 is a high-severity vulnerability in Linux, classified under Use of Uninitialized Resource. CVSS score: 8.8/10. Published 2026-06-25.

How severe is CVE-2026-53170?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Linux

CVE-2026-53170

In the Linux kernel, the following vulnerability has been resolved: accel/ethosu: reject DMA commands with uninitialized length cmd_state_init() initializes the command state with memset(0xff), leaving dma->len at U64_MAX to signal missi…

EPSS: 0.001 (2.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Linux — versions 5a5e9c0228e613f0ef2a58b9782d7c0ea8f1e58b, 6.19, 0
Linux Linux_kernel — versions 7.1

Weakness classification (CWE)

CWE-908 — Use of Uninitialized Resource

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2026-53170?: CVE-2026-53170 is a high-severity vulnerability in Linux, classified under Use of Uninitialized Resource. CVSS score: 8.8/10. Published 2026-06-25.
How severe is CVE-2026-53170?: High severity. CVSS v3 base score is 8.8 out of 10.