{"api_version":"1","generated_at":"2026-05-06T18:23:10+00:00","cve":"CVE-2026-43144","urls":{"html":"https://cve.report/CVE-2026-43144","api":"https://cve.report/api/cve/CVE-2026-43144.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-43144","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-43144"},"summary":{"title":"wifi: brcmfmac: Fix potential kernel oops when probe fails","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: brcmfmac: Fix potential kernel oops when probe fails\n\nWhen probe of the sdio brcmfmac device fails for some reasons (i.e.\nmissing firmware), the sdiodev->bus is set to error instead of NULL, thus\nthe cleanup later in brcmf_sdio_remove() tries to free resources via\ninvalid bus pointer. This happens because sdiodev->bus is set 2 times:\nfirst in brcmf_sdio_probe() and second time in brcmf_sdiod_probe(). Fix\nthis by chaning the brcmf_sdio_probe() function to return the error code\nand set sdio->bus only there.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-06 12:16:31","updated_at":"2026-05-06 13:07:51"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/379aac7ee8240848aa35f605b06addb4617c863e","name":"https://git.kernel.org/stable/c/379aac7ee8240848aa35f605b06addb4617c863e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/243307a0d1b0d01538e202c00454c28b21d4432e","name":"https://git.kernel.org/stable/c/243307a0d1b0d01538e202c00454c28b21d4432e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/64ccb0aac41c5055780c2a58bbe2c1b362ceccde","name":"https://git.kernel.org/stable/c/64ccb0aac41c5055780c2a58bbe2c1b362ceccde","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-43144","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43144","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0ff0843310b74e565901d85f849fb308c3b1f220 64ccb0aac41c5055780c2a58bbe2c1b362ceccde git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0ff0843310b74e565901d85f849fb308c3b1f220 379aac7ee8240848aa35f605b06addb4617c863e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0ff0843310b74e565901d85f849fb308c3b1f220 243307a0d1b0d01538e202c00454c28b21d4432e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.13","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.13 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.16 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19.6 6.19.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c","drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c","drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"64ccb0aac41c5055780c2a58bbe2c1b362ceccde","status":"affected","version":"0ff0843310b74e565901d85f849fb308c3b1f220","versionType":"git"},{"lessThan":"379aac7ee8240848aa35f605b06addb4617c863e","status":"affected","version":"0ff0843310b74e565901d85f849fb308c3b1f220","versionType":"git"},{"lessThan":"243307a0d1b0d01538e202c00454c28b21d4432e","status":"affected","version":"0ff0843310b74e565901d85f849fb308c3b1f220","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c","drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c","drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.13"},{"lessThan":"6.13","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.16","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.6","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.16","versionStartIncluding":"6.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.6","versionStartIncluding":"6.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0","versionStartIncluding":"6.13","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: brcmfmac: Fix potential kernel oops when probe fails\n\nWhen probe of the sdio brcmfmac device fails for some reasons (i.e.\nmissing firmware), the sdiodev->bus is set to error instead of NULL, thus\nthe cleanup later in brcmf_sdio_remove() tries to free resources via\ninvalid bus pointer. This happens because sdiodev->bus is set 2 times:\nfirst in brcmf_sdio_probe() and second time in brcmf_sdiod_probe(). Fix\nthis by chaning the brcmf_sdio_probe() function to return the error code\nand set sdio->bus only there."}],"providerMetadata":{"dateUpdated":"2026-05-06T11:27:28.220Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/64ccb0aac41c5055780c2a58bbe2c1b362ceccde"},{"url":"https://git.kernel.org/stable/c/379aac7ee8240848aa35f605b06addb4617c863e"},{"url":"https://git.kernel.org/stable/c/243307a0d1b0d01538e202c00454c28b21d4432e"}],"title":"wifi: brcmfmac: Fix potential kernel oops when probe fails","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-43144","datePublished":"2026-05-06T11:27:28.220Z","dateReserved":"2026-05-01T14:12:55.989Z","dateUpdated":"2026-05-06T11:27:28.220Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-06 12:16:31","lastModifiedDate":"2026-05-06 13:07:51","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"43144","Ordinal":"1","Title":"wifi: brcmfmac: Fix potential kernel oops when probe fails","CVE":"CVE-2026-43144","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"43144","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: brcmfmac: Fix potential kernel oops when probe fails\n\nWhen probe of the sdio brcmfmac device fails for some reasons (i.e.\nmissing firmware), the sdiodev->bus is set to error instead of NULL, thus\nthe cleanup later in brcmf_sdio_remove() tries to free resources via\ninvalid bus pointer. This happens because sdiodev->bus is set 2 times:\nfirst in brcmf_sdio_probe() and second time in brcmf_sdiod_probe(). Fix\nthis by chaning the brcmf_sdio_probe() function to return the error code\nand set sdio->bus only there.","Type":"Description","Title":"wifi: brcmfmac: Fix potential kernel oops when probe fails"}]}}}