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CVE-2026-72425— ice: fix FDIR CTRL VSI resource leak in ice_reset_all_vfs()

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ice_reset_all_vfs()函数重置所有VF时，FDIR过滤器启用的VF资源泄漏，CTRL VSI仅失效未释放。

CVSS 7.1 · High EPSS 0.19% · P8

Possible ATT&CK Techniques 1 AI

T1562.008

Affected Version Matrix 14

VendorProduct Version RangeStatus
Linux Linux da62c5ff9dcdac67204d6647f3cd43ad931a59f4< b409a9dc37db8bd798122fc5bcdcfaccaf80db1e affected
da62c5ff9dcdac67204d6647f3cd43ad931a59f4< 335c2dd21ad9d520102906f96edb99fd5e89ac32 affected
da62c5ff9dcdac67204d6647f3cd43ad931a59f4< 87a042e45bf4870dc75ea05b4fc0286abecb2a4d affected
da62c5ff9dcdac67204d6647f3cd43ad931a59f4< dd6d8e4412f805937f61f00bbfdfe831978be235 affected
da62c5ff9dcdac67204d6647f3cd43ad931a59f4< b1fc5bafbc5f84df457b6f987ac993e0802f8d93 affected
da62c5ff9dcdac67204d6647f3cd43ad931a59f4< ebbe8868cf473f698e0fbaf436d2618b2bcda806 affected
5.13 affected
< 5.13 unaffected
… +6 more rows
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I. Basic Information for CVE-2026-72425

Vulnerability Information
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Vulnerability Title
ice: fix FDIR CTRL VSI resource leak in ice_reset_all_vfs()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ice: fix FDIR CTRL VSI resource leak in ice_reset_all_vfs() Resetting all VFs causes resource leak on VFs with FDIR filters enabled as CTRL VSIs are only invalidated and not freed. Fix by using ice_vf_ctrl_vsi_release() instead of ice_vf_ctrl_invalidate_vsi() which aligns behavior with the ice_reset_vf() function. Reproduction: echo 1 > /sys/class/net/$pf/device/sriov_numvfs ethtool -N $vf flow-type ether proto 0x9000 action 0 echo 1 > /sys/class/net/$pf/device/reset
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/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ice_reset_all_vfs()函数重置所有VF时，FDIR过滤器启用的VF资源泄漏，CTRL VSI仅失效未释放。
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 da62c5ff9dcdac67204d6647f3cd43ad931a59f4 ~ b409a9dc37db8bd798122fc5bcdcfaccaf80db1e -
Linux Linux 5.13 -

II. Public POCs for CVE-2026-72425

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III. Intelligence Information for CVE-2026-72425

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Patches & Fixes for CVE-2026-72425 (6)

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

CVE-2026-74309 10.0 CRITICAL vdpa/octeon_ep: fix IRQ-to-ring mapping in interrupt handler
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-2026-72407 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-2026-74475 10.0 CRITICAL vxlan: use neigh_ha_snapshot() in route_shortcircuit()
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-2026-72069 9.8 CRITICAL locking/rt: Fix the incorrect RCU protection in rt_spin_unlock()
CVE-2026-72234 9.8 CRITICAL batman-adv: access unicast_ttvn skb->data only after skb realloc
CVE-2026-72339 9.8 CRITICAL qede: fix off-by-one in BD ring consumption on build_skb failure
CVE-2026-74255 9.8 CRITICAL tipc: fix UAF in tipc_l2_send_msg()
CVE-2026-72064 9.8 CRITICAL net: mana: Sync page pool RX frags for CPU
CVE-2026-72065 9.8 CRITICAL net: mana: Validate the packet length reported by the NIC
CVE-2026-72217 9.8 CRITICAL SUNRPC: Bound-check xdr_buf_to_bvec() stores before writing
CVE-2026-74473 9.8 CRITICAL vxlan: use pskb_network_may_pull() in route_shortcircuit()
CVE-2026-72323 9.8 CRITICAL ipv4: igmp: Fix potential UAF in igmp_gq_start_timer()
CVE-2026-74376 9.8 CRITICAL md/raid10: reset read_slot when reusing r10bio for discard
CVE-2026-72463 9.8 CRITICAL xfrm: Fix dev use-after-free in xfrm async resumption
CVE-2026-74495 9.8 CRITICAL igbvf: Fix leak in TX DMA error cleanup

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-2026-72425

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