What’s Vulnerable › Vulnerabilities

CVE-2026-72399: net: enetc: check the number of BDs needed for xdp_frame

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-15 · updated 2026-08-17

Description

In the Linux kernel, the following vulnerability has been resolved: net: enetc: check the number of BDs needed for xdp_frame The size of xdp_redirect_arr array is ENETC_MAX_SKB_FRAGS. However, the number of fragments contained in xdp_frame may be greater than or equal to ENETC_MAX_SKB_FRAGS, which will cause the access to xdp_redirect_arr to be out of bounds.

Affected products

• Linux kernel: 5.13 — fixed in 7.2

How to fix

Upgrade to a fixed version: Linux kernel 7.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/1681cc7974a6123f5d5740b03bc11e4784bd2542
• https://git.kernel.org/stable/c/1ecb199b0e6d12ab6c26c0b7edf1a8f4472d9aed
• https://git.kernel.org/stable/c/555c5475e787802eeae0d2b91c2f66c330db2767
• https://git.kernel.org/stable/c/cfbc6e9b84dcc0aa2d65c84ea4745af327763209
• https://git.kernel.org/stable/c/d22829101ab675607ad6c3d420fb3ab875f46bbb
• https://git.kernel.org/stable/c/f55276160ffad3e235b657ee4b7304eb99b90e5c

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