Medium [CVE-2026-68219] Fix potential out-of-bounds issues
This medium-severity Red Hat Linux advisory covers CVE-2026-68219.
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Summary
In the Linux kernel, the following vulnerability has been resolved: media: nxp: imx8-isi: Fix potential out-of-bounds issues The maximum downscaling factor supported by ISI can be up to 16. Add minimum value constraint before applying the setting to hardware.
Otherwise, the process will not respond even when Ctrl+C is executed. A flaw was found in the NXP i.MX8 Image Sensor Interface (ISI) driver within the Linux kernel.
This out-of-bounds vulnerability arises from inadequate validation of the downscaling factor before it is applied to the hardware. A local attacker could exploit this to cause a denial of service, making the affected process unresponsive and unkillable.
This issue affects NXP i.MX8 ISI camera pipeline on embedded platforms. Downscaling factors below hardware minimum are not validated, causing unresponsive processing.
Systems without imx8-isi hardware are not affected. Red Hat severity: Moderate — CVSS 5.5 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).
Weakness: CWE-125. Red Hat lists Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux for NVIDIA 26; Red Hat OpenShift Container Platform 4 as not affected.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · medium-confidence parse· fetched 2 days ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · medium-confidence parse· fetched 2 days ago·verify at source
Mitigation
The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.
Official advisory · medium-confidence parse· fetched 2 days ago·verify at source
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