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

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Linux kernel是美国Linux基金会开源的一个操作系统内核。 Linux kernel 5.13版本存在安全漏洞，该漏洞源于net: enetc未正确检查xdp_frame所需的BDs数量，xdp_frame包含的片段数量可能大于或等于ENETC_MAX_SKB_FRAGS，导致访问xdp_redirect_arr时越界。

CVSS 9.8 · Critical EPSS 0.67% · P49

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 14

VendorProduct Version RangeStatus
Linux Linux 9d2b68cc108db2fdb35022ed2d88cfb305c441a6< 1ecb199b0e6d12ab6c26c0b7edf1a8f4472d9aed affected
9d2b68cc108db2fdb35022ed2d88cfb305c441a6< f55276160ffad3e235b657ee4b7304eb99b90e5c affected
9d2b68cc108db2fdb35022ed2d88cfb305c441a6< cfbc6e9b84dcc0aa2d65c84ea4745af327763209 affected
9d2b68cc108db2fdb35022ed2d88cfb305c441a6< 1681cc7974a6123f5d5740b03bc11e4784bd2542 affected
9d2b68cc108db2fdb35022ed2d88cfb305c441a6< d22829101ab675607ad6c3d420fb3ab875f46bbb affected
9d2b68cc108db2fdb35022ed2d88cfb305c441a6< 555c5475e787802eeae0d2b91c2f66c330db2767 affected
5.13 affected
< 5.13 unaffected
… +6 more rows
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I. Basic Information for CVE-2026-72399

Vulnerability Information
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Vulnerability Title
net: enetc: check the number of BDs needed for xdp_frame
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会开源的一个操作系统内核。 Linux kernel 5.13版本存在安全漏洞，该漏洞源于net: enetc未正确检查xdp_frame所需的BDs数量，xdp_frame包含的片段数量可能大于或等于ENETC_MAX_SKB_FRAGS，导致访问xdp_redirect_arr时越界。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Linux 9d2b68cc108db2fdb35022ed2d88cfb305c441a6 ~ 1ecb199b0e6d12ab6c26c0b7edf1a8f4472d9aed -
Linux Linux 5.13 -

II. Public POCs for CVE-2026-72399

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III. Intelligence Information for CVE-2026-72399

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Patches & Fixes for CVE-2026-72399 (6)

Same Patch Batch · Linux · 2026-08-15 · 845 CVEs total

CVE-2026-74280 10.0 CRITICAL crypto: marvell/octeontx - fix DMA cleanup using wrong loop index
CVE-2026-74309 10.0 CRITICAL vdpa/octeon_ep: fix IRQ-to-ring mapping in interrupt handler
CVE-2026-74279 10.0 CRITICAL crypto: cavium/cpt - fix DMA cleanup using wrong loop index
CVE-2026-74475 10.0 CRITICAL vxlan: use neigh_ha_snapshot() in route_shortcircuit()
CVE-2026-72407 10.0 CRITICAL geneve: validate inner network offset in geneve_gro_complete()
CVE-2026-72408 10.0 CRITICAL geneve: gate GRO hint in geneve_gro_complete() on gs->gro_hint
CVE-2026-72421 10.0 CRITICAL ipv4: fib: Don't ignore error route in local/main tables.
CVE-2026-72493 9.9 CRITICAL net: serialize netif_running() check in enqueue_to_backlog()
CVE-2026-72472 9.8 CRITICAL nfs: use nfsi->rwsem to protect traversal of the file lock list
CVE-2026-74428 9.8 CRITICAL rxrpc: Fix double unlock in rxrpc_recvmsg()
CVE-2026-72473 9.8 CRITICAL xprtrdma: Decouple req recycling from RPC completion
CVE-2026-74433 9.8 CRITICAL rxrpc: Fix UAF in rxgk_issue_challenge()
CVE-2026-72098 9.8 CRITICAL dm-verity: fix buffer overflow in FEC calculation
CVE-2026-74434 9.8 CRITICAL rxrpc: Don't move a peeked OOB message onto the pending queue
CVE-2026-72299 9.8 CRITICAL tipc: restrict socket queue dumps in enqueue tracepoints
CVE-2026-72477 9.8 CRITICAL fs/ntfs3: call _ntfs_bad_inode() when failing to rename
CVE-2026-72249 9.8 CRITICAL netfilter: flowtable: use dst in this direction when pushing IPIP header
CVE-2026-72251 9.8 CRITICAL netfilter: nf_nat_sip: reload possible stale data pointer
CVE-2026-72130 9.8 CRITICAL nvmet-auth: reject short AUTH_RECEIVE buffers
CVE-2026-72248 9.8 CRITICAL netfilter: flowtable: support IPIP tunnel with direct xmit

Showing top 20 of 845 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

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