Medium [CVE-2026-72076] ims-pcu - fix out-of-bounds read in ims_pcu_irq debug logging
This medium-severity Red Hat Linux advisory covers CVE-2026-72076.
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Summary
A flaw was found in the Linux kernel's `ims-pcu` driver. The debug logging in the `ims_pcu_irq()` function can attempt to read data beyond the allocated buffer when processing certain Universal Serial Bus (USB) control requests.
This out-of-bounds read occurs if the length of the control request exceeds the expected maximum input size. A local attacker could potentially use this flaw to cause a denial of service or disclose sensitive information from kernel memory.
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 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 1 hour 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 1 hour 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 1 hour ago·verify at source
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