{"id":"CVE-2026-74368","state":"PUBLISHED","title":"wifi: ath12k: fix memory leak in ath12k_wifi7_dp_rx_h_verify_tkip_mic()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath12k: fix memory leak in ath12k_wifi7_dp_rx_h_verify_tkip_mic()\n\nIn ath12k_wifi7_dp_rx_h_verify_tkip_mic(), the call to\nath12k_dp_rx_check_nwifi_hdr_len_valid() may return false when the\nNWIFI header length is invalid, causing the function to abort early with\n-EINVAL.\n\nWhen this happens, the error propagates to\nath12k_wifi7_dp_rx_h_defrag(), which clears first_frag by setting it\nto NULL. As a result, the corresponding MSDU is no longer referenced\nby the defragmentation path and is never freed.\n\nThis leads to a memory leak for the affected MSDU on this error path.\nProper cleanup is required to ensure the MSDU is released when header\nvalidation fails during TKIP MIC verification.\n\nTested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.1.c5-00302-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.115823.3","publishedAt":"2026-08-15T05:58:49.619Z","updatedAt":"2026-10-21T12:45:29.473Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"7f1d986da5c6abb75ffe4d0d325fc9b341c41a1c","status":"affected","lessThan":"d960cd5dbcc6a01f49cc304b724f6b18a63a172d","versionType":"git"},{"version":"3abe15e756481c45f6acba3d476cb3ca4afc3b61","status":"affected","lessThan":"779ab501dc8f1148b3f10740a68335741bdc5ffe","versionType":"git"},{"version":"9a0dddfb30f120db3851627935851d262e4e7acb","status":"affected","lessThan":"55c6f05b667726d2da5fd011d646fb48ce5b6b9c","versionType":"git"},{"version":"9a0dddfb30f120db3851627935851d262e4e7acb","status":"affected","lessThan":"5187a92099778501f21af76ed6c8415d128e7298","versionType":"git"},{"version":"9a0dddfb30f120db3851627935851d262e4e7acb","status":"affected","lessThan":"98d4f92ab6a1af2ea2ab590d7e2801b203110981","versionType":"git"},{"version":"6ee653194ddb83674913fd2727b8ecfae0597ade","status":"affected","versionType":"git"},{"version":"50be1fb76556e80af9f5da80f28168b6c71bce58","status":"affected","versionType":"git"},{"version":"6.6.88","status":"affected","lessThan":"6.6.160","versionType":"semver"},{"version":"6.12.24","status":"affected","lessThan":"6.12.114","versionType":"semver"},{"version":"6.13.12","status":"affected","lessThan":"6.14","versionType":"semver"},{"version":"6.14.3","status":"affected","lessThan":"6.15","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ath/ath12k/wifi7/dp_rx.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.15","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.114","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.57","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ath/ath12k/wifi7/dp_rx.c"]}],"references":["https://git.kernel.org/stable/c/d960cd5dbcc6a01f49cc304b724f6b18a63a172d","https://git.kernel.org/stable/c/779ab501dc8f1148b3f10740a68335741bdc5ffe","https://git.kernel.org/stable/c/55c6f05b667726d2da5fd011d646fb48ce5b6b9c","https://git.kernel.org/stable/c/5187a92099778501f21af76ed6c8415d128e7298","https://git.kernel.org/stable/c/98d4f92ab6a1af2ea2ab590d7e2801b203110981"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/74xxx/CVE-2026-74368.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-74368","state":"PUBLISHED","datePublished":"2026-08-15T05:58:49.619Z","dateUpdated":"2026-10-21T12:45:29.473Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-08-15T05:44:03.888Z"},"containers":{"cna":{"title":"wifi: ath12k: fix memory leak in ath12k_wifi7_dp_rx_h_verify_tkip_mic()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath12k: fix memory leak in ath12k_wifi7_dp_rx_h_verify_tkip_mic()\n\nIn ath12k_wifi7_dp_rx_h_verify_tkip_mic(), the call to\nath12k_dp_rx_check_nwifi_hdr_len_valid() may return false when the\nNWIFI header length is invalid, causing the function to abort early with\n-EINVAL.\n\nWhen this happens, the error propagates to\nath12k_wifi7_dp_rx_h_defrag(), which clears first_frag by setting it\nto NULL. As a result, the corresponding MSDU is no longer referenced\nby the defragmentation path and is never freed.\n\nThis leads to a memory leak for the affected MSDU on this error path.\nProper cleanup is required to ensure the MSDU is released when header\nvalidation fails during TKIP MIC verification.\n\nTested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.1.c5-00302-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.115823.3"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"7f1d986da5c6abb75ffe4d0d325fc9b341c41a1c","status":"affected","lessThan":"d960cd5dbcc6a01f49cc304b724f6b18a63a172d","versionType":"git"},{"version":"3abe15e756481c45f6acba3d476cb3ca4afc3b61","status":"affected","lessThan":"779ab501dc8f1148b3f10740a68335741bdc5ffe","versionType":"git"},{"version":"9a0dddfb30f120db3851627935851d262e4e7acb","status":"affected","lessThan":"55c6f05b667726d2da5fd011d646fb48ce5b6b9c","versionType":"git"},{"version":"9a0dddfb30f120db3851627935851d262e4e7acb","status":"affected","lessThan":"5187a92099778501f21af76ed6c8415d128e7298","versionType":"git"},{"version":"9a0dddfb30f120db3851627935851d262e4e7acb","status":"affected","lessThan":"98d4f92ab6a1af2ea2ab590d7e2801b203110981","versionType":"git"},{"version":"6ee653194ddb83674913fd2727b8ecfae0597ade","status":"affected","versionType":"git"},{"version":"50be1fb76556e80af9f5da80f28168b6c71bce58","status":"affected","versionType":"git"},{"version":"6.6.88","status":"affected","lessThan":"6.6.160","versionType":"semver"},{"version":"6.12.24","status":"affected","lessThan":"6.12.114","versionType":"semver"},{"version":"6.13.12","status":"affected","lessThan":"6.14","versionType":"semver"},{"version":"6.14.3","status":"affected","lessThan":"6.15","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ath/ath12k/wifi7/dp_rx.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.15","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.114","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.57","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ath/ath12k/wifi7/dp_rx.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/d960cd5dbcc6a01f49cc304b724f6b18a63a172d"},{"url":"https://git.kernel.org/stable/c/779ab501dc8f1148b3f10740a68335741bdc5ffe"},{"url":"https://git.kernel.org/stable/c/55c6f05b667726d2da5fd011d646fb48ce5b6b9c"},{"url":"https://git.kernel.org/stable/c/5187a92099778501f21af76ed6c8415d128e7298"},{"url":"https://git.kernel.org/stable/c/98d4f92ab6a1af2ea2ab590d7e2801b203110981"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-21T12:45:29.473Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6.88","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12.24","versionEndExcluding":"6.12.114"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.15","versionEndExcluding":"6.18.57"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.15","versionEndExcluding":"7.1.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.15","versionEndExcluding":"7.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13.12"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.14.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}