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CVE-2025-38155— wifi: mt76: mt7915: Fix null-ptr-deref in mt7915_mmio_wed_init()

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，该漏洞源于未检查devm_ioremap返回值，可能导致空指针取消引用。

AI Predicted 3.7 Difficulty: Moderate EPSS 0.17% · P6

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 10

VendorProduct Version RangeStatus
Linux Linux 4f831d18d12da80cec0bebe5b8ca8702a528195a< e9f9cef1877ac32285dbc1f31b86c8955b712fc2 affected
4f831d18d12da80cec0bebe5b8ca8702a528195a< 790d05cde359356feea8915094a51166af1629f5 affected
4f831d18d12da80cec0bebe5b8ca8702a528195a< d825ed9fd768be10d52beba6f57a4b50c0c154aa affected
4f831d18d12da80cec0bebe5b8ca8702a528195a< efb95439c1477bbc955cacd0179c35e7861b437c affected
6.2 affected
< 6.2 unaffected
6.6.94≤ 6.6.* unaffected
6.12.34≤ 6.12.* unaffected
… +2 more rows
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I. Basic Information for CVE-2025-38155

Vulnerability Information
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Vulnerability Title
wifi: mt76: mt7915: Fix null-ptr-deref in mt7915_mmio_wed_init()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7915: Fix null-ptr-deref in mt7915_mmio_wed_init() devm_ioremap() returns NULL on error. Currently, mt7915_mmio_wed_init() does not check for this case, which results in a NULL pointer dereference. Prevent null pointer dereference in mt7915_mmio_wed_init().
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，该漏洞源于未检查devm_ioremap返回值，可能导致空指针取消引用。
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 4f831d18d12da80cec0bebe5b8ca8702a528195a ~ e9f9cef1877ac32285dbc1f31b86c8955b712fc2 -
Linux Linux 6.2 -

II. Public POCs for CVE-2025-38155

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III. Intelligence Information for CVE-2025-38155

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

CVE-2025-38139 9.8 CRITICAL netfs: Fix oops in write-retry from mis-resetting the subreq iterator
CVE-2025-38123 9.8 CRITICAL net: wwan: t7xx: Fix napi rx poll issue
CVE-2025-38146 9.4 CRITICAL net: openvswitch: Fix the dead loop of MPLS parse
CVE-2025-38120 9.4 CRITICAL netfilter: nf_set_pipapo_avx2: fix initial map fill
CVE-2025-38111 7.8 HIGH net/mdiobus: Fix potential out-of-bounds read/write access
CVE-2025-38116 7.8 HIGH wifi: ath12k: fix uaf in ath12k_core_init()
CVE-2025-38108 7.8 HIGH net_sched: red: fix a race in __red_change()
CVE-2025-38102 7.8 HIGH VMCI: fix race between vmci_host_setup_notify and vmci_ctx_unset_notify
CVE-2025-38101 7.8 HIGH ring-buffer: Fix buffer locking in ring_buffer_subbuf_order_set()
CVE-2025-38098 7.8 HIGH drm/amd/display: Don't treat wb connector as physical in create_validate_stream_for_sink
CVE-2025-38097 7.8 HIGH espintcp: remove encap socket caching to avoid reference leak
CVE-2025-38095 7.8 HIGH dma-buf: insert memory barrier before updating num_fences
CVE-2025-38106 7.8 HIGH io_uring: fix use-after-free of sq->thread in __io_uring_show_fdinfo()
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-2025-38127 7.8 HIGH ice: fix Tx scheduler error handling in XDP callback
CVE-2025-38129 7.8 HIGH page_pool: Fix use-after-free in page_pool_recycle_in_ring
CVE-2025-38133 7.8 HIGH iio: adc: ad4851: fix ad4858 chan pointer handling
CVE-2025-38141 7.8 HIGH dm: fix dm_blk_report_zones

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-2025-38155

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