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CVE-2025-38420— wifi: carl9170: do not ping device which has failed to load firmware

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carl9170 wifi驱动尝试ping加载固件失败的设备，可能导致空指针解引用。

AI Predicted 4.7 Difficulty: Easy EPSS 0.19% · P8

Possible ATT&CK Techniques 1 AI

T1211 · Exploitation for Stealth

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux e4a668c59080f862af3ecc28b359533027cbe434< 0140d3d37f0f1759d1fdedd854c7875a86e15f8d affected
e4a668c59080f862af3ecc28b359533027cbe434< 8a3734a6f4c05fd24605148f21fb2066690d61b3 affected
e4a668c59080f862af3ecc28b359533027cbe434< 527fad1ae32ffa2d4853a1425fe1c8dbb8c9744c affected
e4a668c59080f862af3ecc28b359533027cbe434< bfeede26e97ce4a15a0b961118de4a0e28c9907a affected
e4a668c59080f862af3ecc28b359533027cbe434< 4e9ab5c48ad5153cc908dd29abad0cd2a92951e4 affected
e4a668c59080f862af3ecc28b359533027cbe434< 301268dbaac8e9013719e162a000202eac8054be affected
e4a668c59080f862af3ecc28b359533027cbe434< 11ef72b3312752c2ff92f3c1e64912be3228ed36 affected
e4a668c59080f862af3ecc28b359533027cbe434< 15d25307692312cec4b57052da73387f91a2e870 affected
… +10 more rows
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I. Basic Information for CVE-2025-38420

Vulnerability Information
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Vulnerability Title
wifi: carl9170: do not ping device which has failed to load firmware
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: wifi: carl9170: do not ping device which has failed to load firmware Syzkaller reports [1, 2] crashes caused by an attempts to ping the device which has failed to load firmware. Since such a device doesn't pass 'ieee80211_register_hw()', an internal workqueue managed by 'ieee80211_queue_work()' is not yet created and an attempt to queue work on it causes null-ptr-deref. [1] https://syzkaller.appspot.com/bug?extid=9a4aec827829942045ff [2] https://syzkaller.appspot.com/bug?extid=0d8afba53e8fb2633217
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carl9170 wifi驱动尝试ping加载固件失败的设备，可能导致空指针解引用。
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 e4a668c59080f862af3ecc28b359533027cbe434 ~ 0140d3d37f0f1759d1fdedd854c7875a86e15f8d -
Linux Linux 2.6.38 -

II. Public POCs for CVE-2025-38420

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III. Intelligence Information for CVE-2025-38420

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Same Patch Batch · Linux · 2025-07-25 · 114 CVEs total

CVE-2025-38429 10.0 CRITICAL bus: mhi: ep: Update read pointer only after buffer is written
CVE-2025-38411 9.8 CRITICAL netfs: Fix double put of request
CVE-2025-38430 9.8 CRITICAL nfsd: nfsd4_spo_must_allow() must check this is a v4 compound request
CVE-2025-38439 9.8 CRITICAL bnxt_en: Set DMA unmap len correctly for XDP_REDIRECT
CVE-2025-38365 9.1 CRITICAL btrfs: fix a race between renames and directory logging
CVE-2025-38437 8.8 HIGH ksmbd: fix potential use-after-free in oplock/lease break ack
CVE-2025-38377 8.8 HIGH rose: fix dangling neighbour pointers in rose_rt_device_down()
CVE-2025-38367 8.8 HIGH LoongArch: KVM: Avoid overflow with array index
CVE-2025-38395 8.4 HIGH regulator: gpio: Fix the out-of-bounds access to drvdata::gpiods
CVE-2025-38375 8.4 HIGH virtio-net: ensure the received length does not exceed allocated size
CVE-2025-38434 7.8 HIGH Revert "riscv: Define TASK_SIZE_MAX for __access_ok()"
CVE-2025-38398 7.8 HIGH spi: spi-qpic-snand: reallocate BAM transactions
CVE-2025-38449 7.8 HIGH drm/gem: Acquire references on GEM handles for framebuffers
CVE-2025-38382 7.8 HIGH btrfs: fix iteration of extrefs during log replay
CVE-2025-38412 7.8 HIGH platform/x86: dell-wmi-sysman: Fix WMI data block retrieval in sysfs callbacks
CVE-2025-38447 7.8 HIGH mm/rmap: fix potential out-of-bounds page table access during batched unmap
CVE-2025-38440 7.8 HIGH net/mlx5e: Fix race between DIM disable and net_dim()
CVE-2025-38408 7.8 HIGH genirq/irq_sim: Initialize work context pointers properly
CVE-2025-38424 7.8 HIGH perf: Fix sample vs do_exit()
CVE-2025-38396 7.8 HIGH fs: export anon_inode_make_secure_inode() and fix secretmem LSM bypass

Showing top 20 of 114 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-38420

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