Skip to content
CVE PROGRAM SOURCE RECORDUnscored

CVE-2026-74368

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: wifi: ath12k: fix memory leak in ath12k_wifi7_dp_rx_h_verify_tkip_mic() In ath12k_wifi7_dp_rx_h_verify_tkip_mic(), the call to ath12k_dp_rx_check_nwifi_hdr_len_valid() may return false when the NWIFI header length is invalid, causing the function to abort early with -EINVAL. When this happens, the error propagates to ath12k_wifi7_dp_rx_h_defrag(), which clears first_frag by setting it to NULL. As a result, the corresponding MSDU is no longer referenced by the defragmentation path and is never freed. This leads to a memory leak for the affected MSDU on this error path. Proper cleanup is required to ensure the MSDU is released when header validation fails during TKIP MIC verification. Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.1.c5-00302-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.115823.3

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 7f1d986da5c6abb75ffe4d0d325fc9b341c41a1c to < d960cd5dbcc6a01f49cc304b724f6b18a63a172daffected
  • 3abe15e756481c45f6acba3d476cb3ca4afc3b61 to < 779ab501dc8f1148b3f10740a68335741bdc5ffeaffected
  • 9a0dddfb30f120db3851627935851d262e4e7acb to < 55c6f05b667726d2da5fd011d646fb48ce5b6b9caffected
  • 9a0dddfb30f120db3851627935851d262e4e7acb to < 5187a92099778501f21af76ed6c8415d128e7298affected
  • 9a0dddfb30f120db3851627935851d262e4e7acb to < 98d4f92ab6a1af2ea2ab590d7e2801b203110981affected
  • 6ee653194ddb83674913fd2727b8ecfae0597adeaffected
  • 50be1fb76556e80af9f5da80f28168b6c71bce58affected
  • 6.6.88 to < 6.6.160affected
  • 6.12.24 to < 6.12.114affected
  • 6.13.12 to < 6.14affected
  • 6.14.3 to < 6.15affected

Linux Linux

Default version status: affected

  • 6.15affected
  • 0 to < 6.15unaffected
  • 6.6.160 to ≤ 6.6.*unaffected
  • 6.12.114 to ≤ 6.12.*unaffected
  • 6.18.57 to ≤ 6.18.*unaffected
  • 7.1.5 to ≤ 7.1.*unaffected
  • 7.2 to ≤ *unaffected

References