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VULNERABILITIES

CVE-2026-74710 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: kernel.orgCVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://git.kernel.org/stable/c/1bb30b181d9f0484e141f8411e15ed906d5c6780 kernel.org
https://git.kernel.org/stable/c/21b8536aee819792f1b4b38b9aacf2a073025d49 kernel.org
https://git.kernel.org/stable/c/642c6e73fce17fdca93a5793c4d22359fda866d7 kernel.org
https://git.kernel.org/stable/c/cfb9d2976b277e554e28c165e3eff4b4a8ea10bd kernel.org

Weakness Enumeration

No weakness enumeration is available for this CVE.

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-74710
NVD Published Date:
Aug 22, 2026
NVD Last Modified:
Aug 25, 2026
Source:
kernel.org
CVE-2026-74710 Details - Not Deferred