Description
In the Linux kernel, the following vulnerability has been resolved:

qede: fix out-of-bounds check for cqe->len_list[]

Move index check before element access.
Published: 2026-08-28
Score: n/a
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Impact

The vulnerability resides in the Linux kernel’s qede network driver, where the out-of-bounds check for the cqe->len_list[] array was moved to precede element access. Without this check, an attacker could trigger an out-of-bounds read of the array, potentially exposing kernel memory contents or causing a kernel panic. The flaw represents a classic buffer over-read condition that could be leveraged to obtain sensitive data or disrupt system availability.

Affected Systems

All Linux kernel installations that incorporate the qede driver before the patched commit are affected. The affected code path exists in the generic Linux kernel and thus any distribution that has not yet applied the fix is vulnerable. No specific kernel version numbers are documented in the publicly available references, but the issue was addressed in a commit referenced in the provided git links.

Risk and Exploitability

The CVSS and EPSS scores are not published, so the exact severity and likelihood remain undefined. Because the flaw is situated within kernel code, exploitation requires sufficient access—either local privileged execution or a path that can trigger the vulnerable array access. Attenuation is possible through driver blacklisting, but a local attacker or one with hardware-level control could still avail themselves of kernel memory exposure or a denial‑of‑service event. The vulnerability is not listed in CISA’s KEV catalog, indicating no confirmed publicly known exploit at this time.

Generated by OpenCVE AI on August 28, 2026 at 09:38 UTC.

Remediation

No vendor fix or workaround currently provided.

OpenCVE Recommended Actions

  • Upgrade the Linux kernel to a version that incorporates the patch for CVE-2026-80609, ensuring all affected releases are replaced.
  • If an immediate kernel update is infeasible, disable the qede driver by blacklisting the qede kernel module so that the vulnerable code path is never executed.
  • After applying the patch or disabling the module, monitor kernel logs for any out‑of‑bounds array access warnings or page faults related to cqe->len_list[], and verify that the system no longer experiences related crashes or memory disclosures.

Generated by OpenCVE AI on August 28, 2026 at 09:38 UTC.

Tracking

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Advisories

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History

Fri, 28 Aug 2026 10:00:00 +0000

Type Values Removed Values Added
Weaknesses CWE-125

Fri, 28 Aug 2026 07:30:00 +0000

Type Values Removed Values Added
Description In the Linux kernel, the following vulnerability has been resolved: qede: fix out-of-bounds check for cqe->len_list[] Move index check before element access.
Title qede: fix out-of-bounds check for cqe->len_list[]
First Time appeared Linux
Linux linux Kernel
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
References

Subscriptions

Linux Linux Kernel
cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2026-08-28T06:48:32.751Z

Reserved: 2026-08-26T14:34:25.773Z

Link: CVE-2026-80609

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-28T08:16:44.870

Modified: 2026-08-28T08:16:44.870

Link: CVE-2026-80609

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-28T10:45:04Z

Weaknesses