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CVE PROGRAM SOURCE RECORDUnscored

CVE-2026-90378

wifi: mt76: mt792x: Fix memory leak in SDIO TX path

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt792x: Fix memory leak in SDIO TX path When tx_prepare_skb() returns an error in the SDIO TX path, the skb is not freed, leading to a memory leak. This can occur when zero-length frames (such as WNM NULL frames) are dropped to prevent potential hardware TX hangs. Fix this by properly releasing the skb with ieee80211_tx_status_ext() when tx_prepare_skb() fails.

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

  • b747fa343817fd322b4463dda99d28fc51e19c52 to < b64d196280aff8494ba6fb387e37b18479c99b83affected
  • b747fa343817fd322b4463dda99d28fc51e19c52 to < 9ef1351209d42b7d96604f2a13d7ea8215a24e07affected
  • b747fa343817fd322b4463dda99d28fc51e19c52 to < c2c7f16f2c62f79f7c381e500afa7123580742a5affected
  • b747fa343817fd322b4463dda99d28fc51e19c52 to < 6a8000c76dc34490a2bb321ad1a5f882a2ccab7caffected
  • b747fa343817fd322b4463dda99d28fc51e19c52 to < ddf6a17d8e3d0dbb841c13c10d7c1340a138a80daffected
  • b747fa343817fd322b4463dda99d28fc51e19c52 to < 6a342db7a6502bc6781579145e05d4d4731786abaffected
  • b747fa343817fd322b4463dda99d28fc51e19c52 to < 808f2767d4217a5b96f674288573b9b89d432eedaffected

Linux Linux

Default version status: affected

  • 5.12affected
  • 0 to < 5.12unaffected
  • 5.15.221 to ≤ 5.15.*unaffected
  • 6.1.188 to ≤ 6.1.*unaffected
  • 6.6.157 to ≤ 6.6.*unaffected
  • 6.12.110 to ≤ 6.12.*unaffected
  • 6.18.52 to ≤ 6.18.*unaffected
  • 7.2.6 to ≤ 7.2.*unaffected
  • 7.3 to ≤ *unaffected

References