{"id":"CVE-2025-37990","title":"wifi: brcm80211: fmac: Add error handling for brcmf_usb_dl_writeimage()","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: brcm80211: fmac: Add error handling for brcmf_usb_dl_writeimage()\n\nThe function brcmf_usb_dl_writeimage() calls the function\nbrcmf_usb_dl_cmd() but dose not check…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 71bb244ba2fd5390eefe4ee9054abdb3f8b05922 < 972bf75e53f778c78039c5d139dd47443a6d66a1","Linux >= 71bb244ba2fd5390eefe4ee9054abdb3f8b05922 < 62a4f2955d9a1745bdb410bf83fb16666d8865d6","Linux >= 71bb244ba2fd5390eefe4ee9054abdb3f8b05922 < 508be7c001437bacad7b9a43f08a723887bcd1ea","Linux >= 71bb244ba2fd5390eefe4ee9054abdb3f8b05922 < 524b70441baba453b193c418e3142bd31059cc1f","Linux >= 71bb244ba2fd5390eefe4ee9054abdb3f8b05922 < 08424a0922fb9e32a19b09d852ee87fb6c497538","Linux >= 71bb244ba2fd5390eefe4ee9054abdb3f8b05922 < bdb435ef9815b1ae28eefffa01c6959d0fcf1fa7","Linux >= 71bb244ba2fd5390eefe4ee9054abdb3f8b05922 < fa9b9f02212574ee1867fbefb0a675362a71b31d","Linux >= 71bb244ba2fd5390eefe4ee9054abdb3f8b05922 < 8e089e7b585d95122c8122d732d1d5ef8f879396","Linux 3.4"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T20:47:34.894446Z"},"published":"2025-05-20","updated":"2026-11-05","sourceUpdated":"2026-11-05T20:52:11.197Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-37990","references":[{"url":"https://git.kernel.org/stable/c/972bf75e53f778c78039c5d139dd47443a6d66a1"},{"url":"https://git.kernel.org/stable/c/62a4f2955d9a1745bdb410bf83fb16666d8865d6"},{"url":"https://git.kernel.org/stable/c/508be7c001437bacad7b9a43f08a723887bcd1ea"},{"url":"https://git.kernel.org/stable/c/524b70441baba453b193c418e3142bd31059cc1f"},{"url":"https://git.kernel.org/stable/c/08424a0922fb9e32a19b09d852ee87fb6c497538"},{"url":"https://git.kernel.org/stable/c/bdb435ef9815b1ae28eefffa01c6959d0fcf1fa7"},{"url":"https://git.kernel.org/stable/c/fa9b9f02212574ee1867fbefb0a675362a71b31d"},{"url":"https://git.kernel.org/stable/c/8e089e7b585d95122c8122d732d1d5ef8f879396"}],"tags":["cve.org"],"epss":0.00237,"epssPercentile":0.14805,"ingestedAt":"2026-11-05T22:38:31.904Z","slug":"CVE-2025-37990","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nwifi: brcm80211: fmac: Add error handling for brcmf_usb_dl_writeimage()\n\nThe function brcmf_usb_dl_writeimage() calls the function\nbrcmf_usb_dl_cmd() but dose not check its return value. The\n'state.state' and the 'state.bytes' are uninitialized if the\nfunction brcmf_usb_dl_cmd() fails. It is dangerous to use\nuninitialized variables in the conditions.\n\nAdd error handling for brcmf_usb_dl_cmd() to jump to error\nhandling path if the brcmf_usb_dl_cmd() fails and the\n'state.state' and the 'state.bytes' are uninitialized.\n\nImprove the error message to report more detailed error\ninformation.\n\n## Affected\n\n- `Linux >= 71bb244ba2fd5390eefe4ee9054abdb3f8b05922 < 972bf75e53f778c78039c5d139dd47443a6d66a1`\n- `Linux >= 71bb244ba2fd5390eefe4ee9054abdb3f8b05922 < 62a4f2955d9a1745bdb410bf83fb16666d8865d6`\n- `Linux >= 71bb244ba2fd5390eefe4ee9054abdb3f8b05922 < 508be7c001437bacad7b9a43f08a723887bcd1ea`\n- `Linux >= 71bb244ba2fd5390eefe4ee9054abdb3f8b05922 < 524b70441baba453b193c418e3142bd31059cc1f`\n- `Linux >= 71bb244ba2fd5390eefe4ee9054abdb3f8b05922 < 08424a0922fb9e32a19b09d852ee87fb6c497538`\n- `Linux >= 71bb244ba2fd5390eefe4ee9054abdb3f8b05922 < bdb435ef9815b1ae28eefffa01c6959d0fcf1fa7`\n- `Linux >= 71bb244ba2fd5390eefe4ee9054abdb3f8b05922 < fa9b9f02212574ee1867fbefb0a675362a71b31d`\n- `Linux >= 71bb244ba2fd5390eefe4ee9054abdb3f8b05922 < 8e089e7b585d95122c8122d732d1d5ef8f879396`\n- `Linux 3.4`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}