CVE-2026-74708

In the Linux kernel, the following vulnerability has been resolved: xsk: validate launch-time metadata size Launch-time metadata extends beyond the first 16 bytes of struct xsk_tx_metadata. Reject the request when the registered metadata area does not contain the complete field. Snapshot the validated flags for the generic transmit path and use that snapshot for request and completion processing, avoiding inconsistent decisions if user space changes the flags concurrently. Note that only xsk_skb_metadata is properly using the flags, __xsk_buff_get_metadata ignores them. Next commits address that.

Published 22 Aug 2026, 16:16 UTC Last modified 22 Aug 2026, 16:16 UTC

Attack profile

The conditions required to exploit this vulnerability and its potential impact.

Attack vector Not assessed

Attack complexity Not assessed

Privileges required Not assessed

User interaction Not assessed

Scope Not assessed

Confidentiality Not assessed

Integrity Not assessed

Availability Not assessed

Affected products

Product applicability statements supplied with the NVD record.

NVD has not published structured affected-product data for this record.

Weakness classification

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Weakness classification is still awaiting analysis.

Source references

External advisories, patches and technical reports attached to this CVE record.

NVD National Vulnerability Database recordnvd.nist.gov 01 Technical reference 416baaa9-dc9f-4396-8d5f-8c081fb06d67 02 Technical reference 416baaa9-dc9f-4396-8d5f-8c081fb06d67 03 Technical reference 416baaa9-dc9f-4396-8d5f-8c081fb06d67