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CVE-2026-74710

Unknown

Last modified

CVE-2026-74710 is a vulnerability of currently unknown severity. In the Linux kernel, the following vulnerability has been resolved: xsk: require at least 16 bytes of TX metadata AF_XDP accepts a TX metadata length as small as eight bytes, but every supported request needs the flags plus at least one eight-byte request field. Such short metadata also lets the kernel read beyond the registered area. Require 16 bytes rather than sizeof(struct xsk_tx_metadata) to preserve compatibility with applications that do not use launch-time metadata..

Description

In the Linux kernel, the following vulnerability has been resolved: xsk: require at least 16 bytes of TX metadata AF_XDP accepts a TX metadata length as small as eight bytes, but every supported request needs the flags plus at least one eight-byte request field. Such short metadata also lets the kernel read beyond the registered area. Require 16 bytes rather than sizeof(struct xsk_tx_metadata) to preserve compatibility with applications that do not use launch-time metadata.

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= 341ac980eab90ac1f6c22ee9f9da83ed9604d899, < 21b8536aee819792f1b4b38b9aacf2a073025d49; >= 341ac980eab90ac1f6c22ee9f9da83ed9604d899, < 642c6e73fce17fdca93a5793c4d22359fda866d7; >= 341ac980eab90ac1f6c22ee9f9da83ed9604d899, < cfb9d2976b277e554e28c165e3eff4b4a8ea10bd; >= 341ac980eab90ac1f6c22ee9f9da83ed9604d899, < 1bb30b181d9f0484e141f8411e15ed906d5c6780
LinuxLinux6.8

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-74710?
In the Linux kernel, the following vulnerability has been resolved: xsk: require at least 16 bytes of TX metadata AF_XDP accepts a TX metadata length as small as eight bytes, but every supported request needs the flags plus at least one eight-byte request field. Such short metadata also lets the kernel read beyond the registered area. Require 16 bytes rather than sizeof(struct xsk_tx_metadata) to preserve compatibility with applications that do not use launch-time metadata.
How severe is CVE-2026-74710?
Severity scoring for CVE-2026-74710 is pending analysis.
How do I fix CVE-2026-74710?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST