CVE-2026-93797 Linux CVE debrief

Who should care

Defenders responsible for Linux kernel-based systems, particularly those utilizing iwlwifi, should assess exposure and prioritize patching. This includes operators, platform administrators, vulnerability management teams, and security teams who need to verify and apply patches to prevent potential buffer overflows. The vulnerability's impact on specific versions and potential exploits are not detailed in the CVE record or NVD entry, making it crucial for

Why it matters

CVE-2026-93797 is an off-by-one boundary check vulnerability in the Linux kernel's iwlwifi component. Defenders should prioritize verifying and applying patches, particularly for systems utilizing iwlwifi, as specific version impacts and exploit details are not provided.

• Verification of Linux kernel versions for potential impact
• Patching or mitigating the vulnerability in iwlwifi components
• Monitoring for potential exploitation attempts or indicators of compromise

Technical summary

CVE-2026-93797 is an off-by-one boundary check vulnerability in the Linux kernel's iwlwifi component. The vulnerability has been resolved with a patch that checks the length before accessing the 11th byte. This patch prevents potential buffer overflows by ensuring that the system has enough data before proceeding. The vulnerability was publicly disclosed on 2026-09-24 and has not been modified since then. Defenders should prioritize verifying and applying patches for Linux kernel versions impacted by CVE-2026-93797, particularly for systems utilizing iwlwifi.

Defensive priority

Defenders should prioritize verifying and applying patches for Linux kernel versions impacted by CVE-2026-93797, particularly for systems utilizing iwlwifi.

Recommended defensive actions

• Verify Linux kernel versions for potential impact by CVE-2026-93797
• Apply patches for the Linux kernel's iwlwifi component as available
• Monitor Linux kernel updates for additional information on CVE-2026-93797
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, which involves an off-by-one boundary check in the Linux kernel's iwlwifi component. However, specific version impacts and exploit details are not provided in the corpus. The lack of detailed information on affected versions and potential exploits makes it crucial for defenders to verify and apply patches. The CVE record was published on 2026-09-24T17:17:12.500Z and has not been modified since then. The NVD entry provides additional context but does not offer specific,

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.