{"api_version":"1","generated_at":"2026-10-21T09:31:54+00:00","cve":"CVE-2026-98828","urls":{"html":"https://cve.report/CVE-2026-98828","api":"https://cve.report/api/cve/CVE-2026-98828.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-98828","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-98828"},"summary":{"title":"wifi: ath9k: reject short WMI command responses","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath9k: reject short WMI command responses\n\nath9k_wmi_rsp_callback() removes the validated WMI header and copies\nthe number of bytes expected by the waiting command into its response\nbuffer. A device response shorter than that expectation can therefore\nbe read beyond the skb payload.\n\nRecord -EMSGSIZE for a short response, complete the waiter, and return\nthe stored status from the command path. This also prevents callers from\nconsuming stale response bytes as a successful reply.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-10-18 16:17:37","updated_at":"2026-10-19 10:19:46"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/a3b0137c855a61371d9cf9993b8bcc33c9798202","name":"https://git.kernel.org/stable/c/a3b0137c855a61371d9cf9993b8bcc33c9798202","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/03ef61d05aa26022327f971b790f07e6bf6e35d6","name":"https://git.kernel.org/stable/c/03ef61d05aa26022327f971b790f07e6bf6e35d6","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/93ce8ea70451e800601bc9444aa33043de15d67b","name":"https://git.kernel.org/stable/c/93ce8ea70451e800601bc9444aa33043de15d67b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e0c21130c1c7791ba73b19a3a9ea767c8cd43745","name":"https://git.kernel.org/stable/c/e0c21130c1c7791ba73b19a3a9ea767c8cd43745","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98828","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98828","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fb9987d0f748c983bb795a86f47522313f701a08 03ef61d05aa26022327f971b790f07e6bf6e35d6 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fb9987d0f748c983bb795a86f47522313f701a08 e0c21130c1c7791ba73b19a3a9ea767c8cd43745 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fb9987d0f748c983bb795a86f47522313f701a08 a3b0137c855a61371d9cf9993b8bcc33c9798202 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fb9987d0f748c983bb795a86f47522313f701a08 93ce8ea70451e800601bc9444aa33043de15d67b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2.6.35","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 2.6.35 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.113 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.56 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.10 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3 * 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/ath/ath9k/wmi.c","drivers/net/wireless/ath/ath9k/wmi.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"03ef61d05aa26022327f971b790f07e6bf6e35d6","status":"affected","version":"fb9987d0f748c983bb795a86f47522313f701a08","versionType":"git"},{"lessThan":"e0c21130c1c7791ba73b19a3a9ea767c8cd43745","status":"affected","version":"fb9987d0f748c983bb795a86f47522313f701a08","versionType":"git"},{"lessThan":"a3b0137c855a61371d9cf9993b8bcc33c9798202","status":"affected","version":"fb9987d0f748c983bb795a86f47522313f701a08","versionType":"git"},{"lessThan":"93ce8ea70451e800601bc9444aa33043de15d67b","status":"affected","version":"fb9987d0f748c983bb795a86f47522313f701a08","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/wireless/ath/ath9k/wmi.c","drivers/net/wireless/ath/ath9k/wmi.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.35"},{"lessThan":"2.6.35","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.113","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.56","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.113","versionStartIncluding":"2.6.35","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.56","versionStartIncluding":"2.6.35","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.10","versionStartIncluding":"2.6.35","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3","versionStartIncluding":"2.6.35","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath9k: reject short WMI command responses\n\nath9k_wmi_rsp_callback() removes the validated WMI header and copies\nthe number of bytes expected by the waiting command into its response\nbuffer. A device response shorter than that expectation can therefore\nbe read beyond the skb payload.\n\nRecord -EMSGSIZE for a short response, complete the waiter, and return\nthe stored status from the command path. This also prevents callers from\nconsuming stale response bytes as a successful reply."}],"providerMetadata":{"dateUpdated":"2026-10-19T09:26:20.947Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/03ef61d05aa26022327f971b790f07e6bf6e35d6"},{"url":"https://git.kernel.org/stable/c/e0c21130c1c7791ba73b19a3a9ea767c8cd43745"},{"url":"https://git.kernel.org/stable/c/a3b0137c855a61371d9cf9993b8bcc33c9798202"},{"url":"https://git.kernel.org/stable/c/93ce8ea70451e800601bc9444aa33043de15d67b"}],"title":"wifi: ath9k: reject short WMI command responses","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-98828","datePublished":"2026-10-18T15:49:22.580Z","dateReserved":"2026-09-25T10:25:14.372Z","dateUpdated":"2026-10-19T09:26:20.947Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-18 16:17:37","lastModifiedDate":"2026-10-19 10:19:46","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"98828","Ordinal":"1","Title":"wifi: ath9k: reject short WMI command responses","CVE":"CVE-2026-98828","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"98828","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath9k: reject short WMI command responses\n\nath9k_wmi_rsp_callback() removes the validated WMI header and copies\nthe number of bytes expected by the waiting command into its response\nbuffer. A device response shorter than that expectation can therefore\nbe read beyond the skb payload.\n\nRecord -EMSGSIZE for a short response, complete the waiter, and return\nthe stored status from the command path. This also prevents callers from\nconsuming stale response bytes as a successful reply.","Type":"Description","Title":"wifi: ath9k: reject short WMI command responses"}]}}}