Medium [CVE-2026-89724] Linux kernel: media: vicodec: Memory corruption due to out-of-bounds write
This medium-severity Red Hat Linux advisory covers CVE-2026-89724.
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Summary
A flaw was found in the Linux kernel's `media: vicodec` component. An out-of-bounds write vulnerability exists in the FWHT encoder due to incorrect buffer sizing during video output format handling.
This issue allows an attacker to cause corruption of adjacent kernel heap memory, which could lead to system instability or a denial of service. Red Hat severity: Moderate — CVSS 6.3 (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H).
Weakness: CWE-787.
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 51 minutes 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 51 minutes 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 51 minutes ago·verify at source
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