{"api_version":"1","generated_at":"2026-08-13T22:05:30+00:00","cve":"CVE-2026-68410","urls":{"html":"https://cve.report/CVE-2026-68410","api":"https://cve.report/api/cve/CVE-2026-68410.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-68410","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-68410"},"summary":{"title":"wifi: libertas: fix memory leak in helper_firmware_cb()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: libertas: fix memory leak in helper_firmware_cb()\n\nhelper_firmware_cb() neglects to free the single-stage firmware image\nafter a successful async load, leading to a memory leak in the USB\nfirmware-download path.\n\nFix this memory leak by calling release_firmware() immediately after\nlbs_fw_loaded() returns.\n\nThe bug was first flagged by an experimental analysis tool we are\ndeveloping for kernel memory-management bugs while analyzing\nv6.13-rc1. The tool is still under development and is not yet publicly\navailable. Manual inspection confirms that the bug is still present in\nthe current wireless tree.\n\nAn x86_64 allyesconfig build showed no new warnings. As we do not have\ncompatible Libertas USB hardware for exercising this firmware-download\npath, no runtime testing was able to be performed.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-10 13:20:34","updated_at":"2026-08-10 13:20:34"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/d497b7566e74920acfe283dd6b2cbf1682890796","name":"https://git.kernel.org/stable/c/d497b7566e74920acfe283dd6b2cbf1682890796","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6cda91bbb8dc3d22ef0323008a12dcf73a5129da","name":"https://git.kernel.org/stable/c/6cda91bbb8dc3d22ef0323008a12dcf73a5129da","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/644640cde2fb216e6567de5eee780a38dbc95928","name":"https://git.kernel.org/stable/c/644640cde2fb216e6567de5eee780a38dbc95928","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/eaeb1d74a47fc4864f2c754c0b9d654a9b7dc55c","name":"https://git.kernel.org/stable/c/eaeb1d74a47fc4864f2c754c0b9d654a9b7dc55c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/63c2391deefb31e1b801b7f32bd502ca4808639b","name":"https://git.kernel.org/stable/c/63c2391deefb31e1b801b7f32bd502ca4808639b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-68410","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-68410","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1dfba3060fe7ee03ccec25a91d35085142dfc295 d497b7566e74920acfe283dd6b2cbf1682890796 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1dfba3060fe7ee03ccec25a91d35085142dfc295 eaeb1d74a47fc4864f2c754c0b9d654a9b7dc55c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1dfba3060fe7ee03ccec25a91d35085142dfc295 6cda91bbb8dc3d22ef0323008a12dcf73a5129da git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1dfba3060fe7ee03ccec25a91d35085142dfc295 644640cde2fb216e6567de5eee780a38dbc95928 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1dfba3060fe7ee03ccec25a91d35085142dfc295 63c2391deefb31e1b801b7f32bd502ca4808639b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3.13","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 3.13 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.148 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.101 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.42 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.6 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2-rc4 * 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/marvell/libertas/firmware.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"d497b7566e74920acfe283dd6b2cbf1682890796","status":"affected","version":"1dfba3060fe7ee03ccec25a91d35085142dfc295","versionType":"git"},{"lessThan":"eaeb1d74a47fc4864f2c754c0b9d654a9b7dc55c","status":"affected","version":"1dfba3060fe7ee03ccec25a91d35085142dfc295","versionType":"git"},{"lessThan":"6cda91bbb8dc3d22ef0323008a12dcf73a5129da","status":"affected","version":"1dfba3060fe7ee03ccec25a91d35085142dfc295","versionType":"git"},{"lessThan":"644640cde2fb216e6567de5eee780a38dbc95928","status":"affected","version":"1dfba3060fe7ee03ccec25a91d35085142dfc295","versionType":"git"},{"lessThan":"63c2391deefb31e1b801b7f32bd502ca4808639b","status":"affected","version":"1dfba3060fe7ee03ccec25a91d35085142dfc295","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/wireless/marvell/libertas/firmware.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.13"},{"lessThan":"3.13","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.148","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.101","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.42","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.6","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2-rc4","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.148","versionStartIncluding":"3.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.101","versionStartIncluding":"3.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.42","versionStartIncluding":"3.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.6","versionStartIncluding":"3.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2-rc4","versionStartIncluding":"3.13","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: libertas: fix memory leak in helper_firmware_cb()\n\nhelper_firmware_cb() neglects to free the single-stage firmware image\nafter a successful async load, leading to a memory leak in the USB\nfirmware-download path.\n\nFix this memory leak by calling release_firmware() immediately after\nlbs_fw_loaded() returns.\n\nThe bug was first flagged by an experimental analysis tool we are\ndeveloping for kernel memory-management bugs while analyzing\nv6.13-rc1. The tool is still under development and is not yet publicly\navailable. Manual inspection confirms that the bug is still present in\nthe current wireless tree.\n\nAn x86_64 allyesconfig build showed no new warnings. As we do not have\ncompatible Libertas USB hardware for exercising this firmware-download\npath, no runtime testing was able to be performed."}],"providerMetadata":{"dateUpdated":"2026-08-10T12:04:30.194Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/d497b7566e74920acfe283dd6b2cbf1682890796"},{"url":"https://git.kernel.org/stable/c/eaeb1d74a47fc4864f2c754c0b9d654a9b7dc55c"},{"url":"https://git.kernel.org/stable/c/6cda91bbb8dc3d22ef0323008a12dcf73a5129da"},{"url":"https://git.kernel.org/stable/c/644640cde2fb216e6567de5eee780a38dbc95928"},{"url":"https://git.kernel.org/stable/c/63c2391deefb31e1b801b7f32bd502ca4808639b"}],"title":"wifi: libertas: fix memory leak in helper_firmware_cb()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-68410","datePublished":"2026-08-10T12:04:30.194Z","dateReserved":"2026-07-30T09:28:09.390Z","dateUpdated":"2026-08-10T12:04:30.194Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-10 13:20:34","lastModifiedDate":"2026-08-10 13:20:34","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"68410","Ordinal":"1","Title":"wifi: libertas: fix memory leak in helper_firmware_cb()","CVE":"CVE-2026-68410","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"68410","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: libertas: fix memory leak in helper_firmware_cb()\n\nhelper_firmware_cb() neglects to free the single-stage firmware image\nafter a successful async load, leading to a memory leak in the USB\nfirmware-download path.\n\nFix this memory leak by calling release_firmware() immediately after\nlbs_fw_loaded() returns.\n\nThe bug was first flagged by an experimental analysis tool we are\ndeveloping for kernel memory-management bugs while analyzing\nv6.13-rc1. The tool is still under development and is not yet publicly\navailable. Manual inspection confirms that the bug is still present in\nthe current wireless tree.\n\nAn x86_64 allyesconfig build showed no new warnings. As we do not have\ncompatible Libertas USB hardware for exercising this firmware-download\npath, no runtime testing was able to be performed.","Type":"Description","Title":"wifi: libertas: fix memory leak in helper_firmware_cb()"}]}}}