{"api_version":"1","generated_at":"2026-08-13T19:48:23+00:00","cve":"CVE-2026-68327","urls":{"html":"https://cve.report/CVE-2026-68327","api":"https://cve.report/api/cve/CVE-2026-68327.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-68327","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-68327"},"summary":{"title":"wan: wanxl: Only reset hardware after BAR mapping","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwan: wanxl: Only reset hardware after BAR mapping\n\nwanxl_pci_init_one() stores the freshly allocated card in driver data\nbefore the PLX BAR is mapped.  Several early probe failures then unwind\nthrough wanxl_pci_remove_one(), including failure to allocate the coherent\nstatus area or to restore the DMA mask.\n\nwanxl_pci_remove_one() unconditionally calls wanxl_reset(), and\nwanxl_reset() dereferences card->plx.  On those early failures card->plx\nis still NULL, so the error path can dereference a NULL MMIO pointer.\n\nOnly issue the hardware reset once the BAR mapping exists.  The remaining\ncleanup in wanxl_pci_remove_one() already checks whether later resources\nwere allocated.\n\nThis issue was found by a static analysis checker and confirmed by\nmanual source review.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-10 13:20:22","updated_at":"2026-08-10 13:20:22"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/b9e2ff70e96acf83693b27987e0390bad9f83efa","name":"https://git.kernel.org/stable/c/b9e2ff70e96acf83693b27987e0390bad9f83efa","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f4834132773f15ffb255127499c8443947fa7d0f","name":"https://git.kernel.org/stable/c/f4834132773f15ffb255127499c8443947fa7d0f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/2fe22d58b3797d741570f9873b26653fd511576c","name":"https://git.kernel.org/stable/c/2fe22d58b3797d741570f9873b26653fd511576c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/59cbe6cfa0fa23c192351cc284e30707309f6741","name":"https://git.kernel.org/stable/c/59cbe6cfa0fa23c192351cc284e30707309f6741","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/91957b89da995607cb654b1f9a3c126ddbaee10f","name":"https://git.kernel.org/stable/c/91957b89da995607cb654b1f9a3c126ddbaee10f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-68327","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-68327","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 f4834132773f15ffb255127499c8443947fa7d0f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 b9e2ff70e96acf83693b27987e0390bad9f83efa git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 59cbe6cfa0fa23c192351cc284e30707309f6741 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 2fe22d58b3797d741570f9873b26653fd511576c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 91957b89da995607cb654b1f9a3c126ddbaee10f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2.6.12","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 2.6.12 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-rc5 * 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/wan/wanxl.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"f4834132773f15ffb255127499c8443947fa7d0f","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"b9e2ff70e96acf83693b27987e0390bad9f83efa","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"59cbe6cfa0fa23c192351cc284e30707309f6741","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"2fe22d58b3797d741570f9873b26653fd511576c","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"91957b89da995607cb654b1f9a3c126ddbaee10f","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/wan/wanxl.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.12"},{"lessThan":"2.6.12","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-rc5","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.148","versionStartIncluding":"2.6.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.101","versionStartIncluding":"2.6.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.42","versionStartIncluding":"2.6.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.6","versionStartIncluding":"2.6.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2-rc5","versionStartIncluding":"2.6.12","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwan: wanxl: Only reset hardware after BAR mapping\n\nwanxl_pci_init_one() stores the freshly allocated card in driver data\nbefore the PLX BAR is mapped.  Several early probe failures then unwind\nthrough wanxl_pci_remove_one(), including failure to allocate the coherent\nstatus area or to restore the DMA mask.\n\nwanxl_pci_remove_one() unconditionally calls wanxl_reset(), and\nwanxl_reset() dereferences card->plx.  On those early failures card->plx\nis still NULL, so the error path can dereference a NULL MMIO pointer.\n\nOnly issue the hardware reset once the BAR mapping exists.  The remaining\ncleanup in wanxl_pci_remove_one() already checks whether later resources\nwere allocated.\n\nThis issue was found by a static analysis checker and confirmed by\nmanual source review."}],"providerMetadata":{"dateUpdated":"2026-08-10T12:03:03.398Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/f4834132773f15ffb255127499c8443947fa7d0f"},{"url":"https://git.kernel.org/stable/c/b9e2ff70e96acf83693b27987e0390bad9f83efa"},{"url":"https://git.kernel.org/stable/c/59cbe6cfa0fa23c192351cc284e30707309f6741"},{"url":"https://git.kernel.org/stable/c/2fe22d58b3797d741570f9873b26653fd511576c"},{"url":"https://git.kernel.org/stable/c/91957b89da995607cb654b1f9a3c126ddbaee10f"}],"title":"wan: wanxl: Only reset hardware after BAR mapping","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-68327","datePublished":"2026-08-10T12:03:03.398Z","dateReserved":"2026-07-30T09:28:09.382Z","dateUpdated":"2026-08-10T12:03:03.398Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-10 13:20:22","lastModifiedDate":"2026-08-10 13:20:22","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"68327","Ordinal":"1","Title":"wan: wanxl: Only reset hardware after BAR mapping","CVE":"CVE-2026-68327","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"68327","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nwan: wanxl: Only reset hardware after BAR mapping\n\nwanxl_pci_init_one() stores the freshly allocated card in driver data\nbefore the PLX BAR is mapped.  Several early probe failures then unwind\nthrough wanxl_pci_remove_one(), including failure to allocate the coherent\nstatus area or to restore the DMA mask.\n\nwanxl_pci_remove_one() unconditionally calls wanxl_reset(), and\nwanxl_reset() dereferences card->plx.  On those early failures card->plx\nis still NULL, so the error path can dereference a NULL MMIO pointer.\n\nOnly issue the hardware reset once the BAR mapping exists.  The remaining\ncleanup in wanxl_pci_remove_one() already checks whether later resources\nwere allocated.\n\nThis issue was found by a static analysis checker and confirmed by\nmanual source review.","Type":"Description","Title":"wan: wanxl: Only reset hardware after BAR mapping"}]}}}