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CVE-2026-72039— bnx2x: fix potential memory leak in bnx2x_alloc_mem_bp()

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 3.6版本存在安全漏洞，该漏洞源于bnx2x_alloc_mem_bp()函数中fp[i].tpa_info分配失败时错误路径未释放先前分配的struct bnx2x_fastpath，导致内存泄漏。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.21% · P11

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 15192a8cf8a8d16e0ff38a144c8a4630c94f9fd6< 58594ed2a2f859ffb93edbbfa4aabb7739bea383 affected
15192a8cf8a8d16e0ff38a144c8a4630c94f9fd6< c51b280b9cd3c9e97bf2cde33bb795c511f09669 affected
15192a8cf8a8d16e0ff38a144c8a4630c94f9fd6< 6d46eaa1e4c078ad674908e24b86e431a7fd4b15 affected
15192a8cf8a8d16e0ff38a144c8a4630c94f9fd6< 5576ee19a6a4aa111c61ce974e70bb79e7bb3952 affected
15192a8cf8a8d16e0ff38a144c8a4630c94f9fd6< 7d8d454b5d24dbad346cd57ef315e7bf1ee8e856 affected
15192a8cf8a8d16e0ff38a144c8a4630c94f9fd6< 6c98ccdb9a0967e04a7b1866eb0d97c0c8c0e403 affected
15192a8cf8a8d16e0ff38a144c8a4630c94f9fd6< 356077547b1afa34a8ebae77176a577631a89041 affected
15192a8cf8a8d16e0ff38a144c8a4630c94f9fd6< a986fde914d88af47eb78fd29c5d1af7952c3500 affected
… +10 more rows
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I. Basic Information for CVE-2026-72039

Vulnerability Information
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Vulnerability Title
bnx2x: fix potential memory leak in bnx2x_alloc_mem_bp()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: bnx2x: fix potential memory leak in bnx2x_alloc_mem_bp() If the allocation of fp[i].tpa_info fails, the error path will not free the struct bnx2x_fastpath allocated earlier, as it is not linked to the bp structure yet. Fix that by linking it immediately after allocation.
Source: CVE Program / CVE List V5
CVSS Information
N/A
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 3.6版本存在安全漏洞，该漏洞源于bnx2x_alloc_mem_bp()函数中fp[i].tpa_info分配失败时错误路径未释放先前分配的struct bnx2x_fastpath，导致内存泄漏。
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 15192a8cf8a8d16e0ff38a144c8a4630c94f9fd6 ~ 58594ed2a2f859ffb93edbbfa4aabb7739bea383 -
Linux Linux 3.6 -

II. Public POCs for CVE-2026-72039

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III. Intelligence Information for CVE-2026-72039

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Patches & Fixes for CVE-2026-72039 (7)

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

CVE-2026-74475 10.0 CRITICAL vxlan: use neigh_ha_snapshot() in route_shortcircuit()
CVE-2026-72408 10.0 CRITICAL geneve: gate GRO hint in geneve_gro_complete() on gs->gro_hint
CVE-2026-74309 10.0 CRITICAL vdpa/octeon_ep: fix IRQ-to-ring mapping in interrupt handler
CVE-2026-72407 10.0 CRITICAL geneve: validate inner network offset in geneve_gro_complete()
CVE-2026-74280 10.0 CRITICAL crypto: marvell/octeontx - fix DMA cleanup using wrong loop index
CVE-2026-74279 10.0 CRITICAL crypto: cavium/cpt - fix DMA cleanup using wrong loop index
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-2026-72217 9.8 CRITICAL SUNRPC: Bound-check xdr_buf_to_bvec() stores before writing
CVE-2026-72491 9.8 CRITICAL net/9p: fix race condition on rdma->state in trans_rdma.c
CVE-2026-72221 9.8 CRITICAL sunrpc: wait for in-flight TLS handshake callback when cancel loses race
CVE-2026-72222 9.8 CRITICAL sunrpc: pin svc_xprt across the asynchronous TLS handshake callback
CVE-2026-72220 9.8 CRITICAL sunrpc: harden rq_procinfo lifecycle to prevent double-free
CVE-2026-72398 9.8 CRITICAL sctp: add INIT verification after cookie unpacking
CVE-2026-72477 9.8 CRITICAL fs/ntfs3: call _ntfs_bad_inode() when failing to rename
CVE-2026-72466 9.8 CRITICAL xprtrdma: Fix bcall rep leak and unbounded peek
CVE-2026-72472 9.8 CRITICAL nfs: use nfsi->rwsem to protect traversal of the file lock list
CVE-2026-72473 9.8 CRITICAL xprtrdma: Decouple req recycling from RPC completion
CVE-2026-72399 9.8 CRITICAL net: enetc: check the number of BDs needed for xdp_frame
CVE-2026-74398 9.8 CRITICAL ipv6: addrconf: bail out of dad_failure when state is no longer POSTDAD

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

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-72039

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