Paper/Archive/CVE-2026-72399

CVE-2026-72399

Linux Linux — net: enetc: check the number of BDs needed for xdp_frame

CVSS 9.8 (CNA)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 52.5.525 × 2010.5 No public exploit+100.0 SSVC exploitation: unknown+100.0

Description · from the CVE record

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

ProductAffectedFixed inSource

Linux9d2b68cc108db2fdb35022ed2d88cfb305c441a6 – < 1ecb199b0e6d12ab6c26c0b7edf1a8f4472d9aed1ecb199b0e6d12ab6c26c0b7edf1a8f4472d9aedCNA

Linux9d2b68cc108db2fdb35022ed2d88cfb305c441a6 – < f55276160ffad3e235b657ee4b7304eb99b90e5cf55276160ffad3e235b657ee4b7304eb99b90e5cCNA

Linux9d2b68cc108db2fdb35022ed2d88cfb305c441a6 – < cfbc6e9b84dcc0aa2d65c84ea4745af327763209cfbc6e9b84dcc0aa2d65c84ea4745af327763209CNA

Linux9d2b68cc108db2fdb35022ed2d88cfb305c441a6 – < 1681cc7974a6123f5d5740b03bc11e4784bd25421681cc7974a6123f5d5740b03bc11e4784bd2542CNA

Linux9d2b68cc108db2fdb35022ed2d88cfb305c441a6 – < d22829101ab675607ad6c3d420fb3ab875f46bbbd22829101ab675607ad6c3d420fb3ab875f46bbbCNA

Linux9d2b68cc108db2fdb35022ed2d88cfb305c441a6 – < 555c5475e787802eeae0d2b91c2f66c330db2767555c5475e787802eeae0d2b91c2f66c330db2767CNA

Linux5.13–CNA

Scores by source

Linux (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

refgit.kernel.org/stable/c/1ecb199b0e6d12ab6c26c0b7edf1a8f4472d9aed refgit.kernel.org/stable/c/f55276160ffad3e235b657ee4b7304eb99b90e5c refgit.kernel.org/stable/c/cfbc6e9b84dcc0aa2d65c84ea4745af327763209 refgit.kernel.org/stable/c/1681cc7974a6123f5d5740b03bc11e4784bd2542 refgit.kernel.org/stable/c/d22829101ab675607ad6c3d420fb3ab875f46bbb refgit.kernel.org/stable/c/555c5475e787802eeae0d2b91c2f66c330db2767