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CVE-2025-37990— wifi: brcm80211: fmac: Add error handling for brcmf_usb_dl_writeimage()

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brcmf_usb_dl_writeimage未检查brcmf_usb_dl_cmd返回值，可能导致使用未初始化变量。

AI Predicted 4.4 Difficulty: Easy EPSS 0.24% · P14

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 71bb244ba2fd5390eefe4ee9054abdb3f8b05922< 972bf75e53f778c78039c5d139dd47443a6d66a1 affected
71bb244ba2fd5390eefe4ee9054abdb3f8b05922< 62a4f2955d9a1745bdb410bf83fb16666d8865d6 affected
71bb244ba2fd5390eefe4ee9054abdb3f8b05922< 508be7c001437bacad7b9a43f08a723887bcd1ea affected
71bb244ba2fd5390eefe4ee9054abdb3f8b05922< 524b70441baba453b193c418e3142bd31059cc1f affected
71bb244ba2fd5390eefe4ee9054abdb3f8b05922< 08424a0922fb9e32a19b09d852ee87fb6c497538 affected
71bb244ba2fd5390eefe4ee9054abdb3f8b05922< bdb435ef9815b1ae28eefffa01c6959d0fcf1fa7 affected
71bb244ba2fd5390eefe4ee9054abdb3f8b05922< fa9b9f02212574ee1867fbefb0a675362a71b31d affected
71bb244ba2fd5390eefe4ee9054abdb3f8b05922< 8e089e7b585d95122c8122d732d1d5ef8f879396 affected
… +10 more rows
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I. Basic Information for CVE-2025-37990

Vulnerability Information
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Vulnerability Title
wifi: brcm80211: fmac: Add error handling for brcmf_usb_dl_writeimage()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: wifi: brcm80211: fmac: Add error handling for brcmf_usb_dl_writeimage() The function brcmf_usb_dl_writeimage() calls the function brcmf_usb_dl_cmd() but dose not check its return value. The 'state.state' and the 'state.bytes' are uninitialized if the function brcmf_usb_dl_cmd() fails. It is dangerous to use uninitialized variables in the conditions. Add error handling for brcmf_usb_dl_cmd() to jump to error handling path if the brcmf_usb_dl_cmd() fails and the 'state.state' and the 'state.bytes' are uninitialized. Improve the error message to report more detailed error information.
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brcmf_usb_dl_writeimage未检查brcmf_usb_dl_cmd返回值，可能导致使用未初始化变量。
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 71bb244ba2fd5390eefe4ee9054abdb3f8b05922 ~ 972bf75e53f778c78039c5d139dd47443a6d66a1 -
Linux Linux 3.4 -

II. Public POCs for CVE-2025-37990

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III. Intelligence Information for CVE-2025-37990

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Same Patch Batch · Linux · 2025-05-20 · 95 CVEs total

CVE-2025-37894 9.8 CRITICAL net: use sock_gen_put() when sk_state is TCP_TIME_WAIT
CVE-2025-37924 9.8 CRITICAL ksmbd: fix use-after-free in kerberos authentication
CVE-2025-37935 9.8 CRITICAL net: ethernet: mtk_eth_soc: fix SER panic with 4GB+ RAM
CVE-2025-37959 9.4 CRITICAL bpf: Scrub packet on bpf_redirect_peer
CVE-2025-37926 8.8 HIGH ksmbd: fix use-after-free in ksmbd_session_rpc_open
CVE-2025-37899 8.8 HIGH ksmbd: fix use-after-free in session logoff
CVE-2025-37918 8.8 HIGH Bluetooth: btusb: avoid NULL pointer dereference in skb_dequeue()
CVE-2025-37943 8.8 HIGH wifi: ath12k: Fix invalid data access in ath12k_dp_rx_h_undecap_nwifi
CVE-2025-37944 8.8 HIGH wifi: ath12k: Fix invalid entry fetch in ath12k_dp_mon_srng_process
CVE-2025-37947 8.8 HIGH ksmbd: prevent out-of-bounds stream writes by validating *pos
CVE-2025-37952 8.8 HIGH ksmbd: Fix UAF in __close_file_table_ids
CVE-2025-37956 8.8 HIGH ksmbd: prevent rename with empty string
CVE-2025-37957 8.8 HIGH KVM: SVM: Forcibly leave SMM mode on SHUTDOWN interception
CVE-2025-37936 8.7 HIGH perf/x86/intel: KVM: Mask PEBS_ENABLE loaded for guest with vCPU's value.
CVE-2025-37973 8.1 HIGH wifi: cfg80211: fix out-of-bounds access during multi-link element defragmentation
CVE-2025-37901 7.8 HIGH irqchip/qcom-mpm: Prevent crash when trying to handle non-wake GPIOs
CVE-2025-37906 7.8 HIGH ublk: fix race between io_uring_cmd_complete_in_task and ublk_cancel_cmd
CVE-2025-37921 7.8 HIGH vxlan: vnifilter: Fix unlocked deletion of default FDB entry
CVE-2025-37923 7.8 HIGH tracing: Fix oob write in trace_seq_to_buffer()
CVE-2025-37903 7.8 HIGH drm/amd/display: Fix slab-use-after-free in hdcp

Showing top 20 of 95 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-37990

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