{"api_version":"1","generated_at":"2026-05-06T14:21:30+00:00","cve":"CVE-2026-43113","urls":{"html":"https://cve.report/CVE-2026-43113","api":"https://cve.report/api/cve/CVE-2026-43113.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-43113","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-43113"},"summary":{"title":"wifi: wl1251: validate packet IDs before indexing tx_frames","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: wl1251: validate packet IDs before indexing tx_frames\n\nwl1251_tx_packet_cb() uses the firmware completion ID directly to index\nthe fixed 16-entry wl->tx_frames[] array. The ID is a raw u8 from the\ncompletion block, and the callback does not currently verify that it\nfits the array before dereferencing it.\n\nReject completion IDs that fall outside wl->tx_frames[] and keep the\nexisting NULL check in the same guard. This keeps the fix local to the\ntrust boundary and avoids touching the rest of the completion flow.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-06 10:16:25","updated_at":"2026-05-06 13:07:51"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/0fd56fad9c56356e7fa7a7c52e7ecbf807a44eb0","name":"https://git.kernel.org/stable/c/0fd56fad9c56356e7fa7a7c52e7ecbf807a44eb0","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/26ee518695c484f75e3606d631278e84bd24ae02","name":"https://git.kernel.org/stable/c/26ee518695c484f75e3606d631278e84bd24ae02","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/df15adc692a802636dd3f258fc7cca8bf7a0ed9a","name":"https://git.kernel.org/stable/c/df15adc692a802636dd3f258fc7cca8bf7a0ed9a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/8d7465be5163a923ee5d7459719ef5a021c1584a","name":"https://git.kernel.org/stable/c/8d7465be5163a923ee5d7459719ef5a021c1584a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b6ba1eacf276063ebeefbbae8056043c24f2efaf","name":"https://git.kernel.org/stable/c/b6ba1eacf276063ebeefbbae8056043c24f2efaf","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-43113","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43113","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 b6ba1eacf276063ebeefbbae8056043c24f2efaf git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 df15adc692a802636dd3f258fc7cca8bf7a0ed9a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 8d7465be5163a923ee5d7459719ef5a021c1584a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 26ee518695c484f75e3606d631278e84bd24ae02 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 0fd56fad9c56356e7fa7a7c52e7ecbf807a44eb0 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.136 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.83 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.24 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19.14 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/ti/wl1251/tx.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"b6ba1eacf276063ebeefbbae8056043c24f2efaf","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"df15adc692a802636dd3f258fc7cca8bf7a0ed9a","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"8d7465be5163a923ee5d7459719ef5a021c1584a","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"26ee518695c484f75e3606d631278e84bd24ae02","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"0fd56fad9c56356e7fa7a7c52e7ecbf807a44eb0","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/wireless/ti/wl1251/tx.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.136","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.83","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.24","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.14","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":"6.6.136","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.83","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.24","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: wl1251: validate packet IDs before indexing tx_frames\n\nwl1251_tx_packet_cb() uses the firmware completion ID directly to index\nthe fixed 16-entry wl->tx_frames[] array. The ID is a raw u8 from the\ncompletion block, and the callback does not currently verify that it\nfits the array before dereferencing it.\n\nReject completion IDs that fall outside wl->tx_frames[] and keep the\nexisting NULL check in the same guard. This keeps the fix local to the\ntrust boundary and avoids touching the rest of the completion flow."}],"providerMetadata":{"dateUpdated":"2026-05-06T07:40:39.234Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/b6ba1eacf276063ebeefbbae8056043c24f2efaf"},{"url":"https://git.kernel.org/stable/c/df15adc692a802636dd3f258fc7cca8bf7a0ed9a"},{"url":"https://git.kernel.org/stable/c/8d7465be5163a923ee5d7459719ef5a021c1584a"},{"url":"https://git.kernel.org/stable/c/26ee518695c484f75e3606d631278e84bd24ae02"},{"url":"https://git.kernel.org/stable/c/0fd56fad9c56356e7fa7a7c52e7ecbf807a44eb0"}],"title":"wifi: wl1251: validate packet IDs before indexing tx_frames","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-43113","datePublished":"2026-05-06T07:40:39.234Z","dateReserved":"2026-05-01T14:12:55.986Z","dateUpdated":"2026-05-06T07:40:39.234Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-06 10:16:25","lastModifiedDate":"2026-05-06 13:07:51","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"43113","Ordinal":"1","Title":"wifi: wl1251: validate packet IDs before indexing tx_frames","CVE":"CVE-2026-43113","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"43113","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: wl1251: validate packet IDs before indexing tx_frames\n\nwl1251_tx_packet_cb() uses the firmware completion ID directly to index\nthe fixed 16-entry wl->tx_frames[] array. The ID is a raw u8 from the\ncompletion block, and the callback does not currently verify that it\nfits the array before dereferencing it.\n\nReject completion IDs that fall outside wl->tx_frames[] and keep the\nexisting NULL check in the same guard. This keeps the fix local to the\ntrust boundary and avoids touching the rest of the completion flow.","Type":"Description","Title":"wifi: wl1251: validate packet IDs before indexing tx_frames"}]}}}