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CVE-2025-38120— netfilter: nf_set_pipapo_avx2: fix initial map fill

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基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于netfilter nf_set_pipapo_avx2初始映射填充不当，可能导致信息泄露。

CVSS 9.4 · Critical EPSS 0.51% · P43

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 20

VendorProduct Version RangeStatus
Linux Linux 77bf0c4ab928ca4c9a99311f4f70ba0c17fecba9< 8164d0efaf370c425dc69a1e8216940d09e7de0c affected
957a4d1c4c5849e4515c9fb4db21bf85318103dc< b5ad58285f9217d68cd5ea2ad86ce254a3fe7c4d affected
9625c46ce6fd4f922595a4b32b1de5066d70464f< 90bc7f5a244aadee4292b28098b7c98aadd4b3aa affected
69b6a67f7052905e928d75a0c5871de50e686986< 39bab2d3517b5b50c609b4f8c66129bf619fffa0 affected
791a615b7ad2258c560f91852be54b0480837c93< 251496ce1728c9fd47bd2b20a7b21b20b9a020ca affected
791a615b7ad2258c560f91852be54b0480837c93< 8068e1e42b46518ce680dc6470bcd710efc3fa0a affected
791a615b7ad2258c560f91852be54b0480837c93< ea77c397bff8b6d59f6d83dae1425b08f465e8b5 affected
8058c88ac0df21239daee54b5934d5c80ca9685f affected
… +12 more rows
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I. Basic Information for CVE-2025-38120

Vulnerability Information
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Vulnerability Title
netfilter: nf_set_pipapo_avx2: fix initial map fill
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_set_pipapo_avx2: fix initial map fill If the first field doesn't cover the entire start map, then we must zero out the remainder, else we leak those bits into the next match round map. The early fix was incomplete and did only fix up the generic C implementation. A followup patch adds a test case to nft_concat_range.sh.
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:L
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基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于netfilter nf_set_pipapo_avx2初始映射填充不当，可能导致信息泄露。
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 77bf0c4ab928ca4c9a99311f4f70ba0c17fecba9 ~ 8164d0efaf370c425dc69a1e8216940d09e7de0c -
Linux Linux 6.11 -

II. Public POCs for CVE-2025-38120

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III. Intelligence Information for CVE-2025-38120

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Same Patch Batch · Linux · 2025-07-03 · 78 CVEs total

CVE-2025-38123 9.8 CRITICAL net: wwan: t7xx: Fix napi rx poll issue
CVE-2025-38139 9.8 CRITICAL netfs: Fix oops in write-retry from mis-resetting the subreq iterator
CVE-2025-38146 9.4 CRITICAL net: openvswitch: Fix the dead loop of MPLS parse
CVE-2025-38141 7.8 HIGH dm: fix dm_blk_report_zones
CVE-2025-38168 7.8 HIGH perf: arm-ni: Unregister PMUs on probe failure
CVE-2025-38162 7.8 HIGH netfilter: nft_set_pipapo: prevent overflow in lookup table allocation
CVE-2025-38154 7.8 HIGH bpf, sockmap: Avoid using sk_socket after free when sending
CVE-2025-38106 7.8 HIGH io_uring: fix use-after-free of sq->thread in __io_uring_show_fdinfo()
CVE-2025-38150 7.8 HIGH af_packet: move notifier's packet_dev_mc out of rcu critical section
CVE-2025-38108 7.8 HIGH net_sched: red: fix a race in __red_change()
CVE-2025-38110 7.8 HIGH net/mdiobus: Fix potential out-of-bounds clause 45 read/write access
CVE-2025-38111 7.8 HIGH net/mdiobus: Fix potential out-of-bounds read/write access
CVE-2025-38107 7.8 HIGH net_sched: ets: fix a race in ets_qdisc_change()
CVE-2025-38116 7.8 HIGH wifi: ath12k: fix uaf in ath12k_core_init()
CVE-2025-38115 7.8 HIGH net_sched: sch_sfq: fix a potential crash on gso_skb handling
CVE-2025-38117 7.8 HIGH Bluetooth: MGMT: Protect mgmt_pending list with its own lock
CVE-2025-38118 7.8 HIGH Bluetooth: MGMT: Fix UAF on mgmt_remove_adv_monitor_complete
CVE-2025-38133 7.8 HIGH iio: adc: ad4851: fix ad4858 chan pointer handling
CVE-2025-38129 7.8 HIGH page_pool: Fix use-after-free in page_pool_recycle_in_ring
CVE-2025-38127 7.8 HIGH ice: fix Tx scheduler error handling in XDP callback

Showing top 20 of 78 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-38120

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