CVE-2026-98193 PUBLISHED

wifi: libipw: reject TKIP frames without a full MIC

Assigner: Linux
Reserved: 25.09.2026 Published: 06.10.2026 Updated: 06.10.2026

In the Linux kernel, the following vulnerability has been resolved:

wifi: libipw: reject TKIP frames without a full MIC

libipw_michael_mic_verify() assumes that an skb contains an eight-byte Michael MIC. A short TKIP frame makes the unsigned payload length wrap, causing michael_mic() to read past the skb.

Check that the MIC is present before verifying it, and use the existing MICHAEL_MIC_LEN constant for all MIC lengths in the verifier.

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from b453872c35cfcbdbf5a794737817f7d4e7b1b579 to 9a7fb67364817710c96785ff86b71a2711ee92cb (excl.)
  • affected from b453872c35cfcbdbf5a794737817f7d4e7b1b579 to ac7c08626f67844336086cf563f417566b76f0d7 (excl.)
  • affected from b453872c35cfcbdbf5a794737817f7d4e7b1b579 to bb7ae8910cc886885aea95abb7c2e578a2341646 (excl.)
  • affected from b453872c35cfcbdbf5a794737817f7d4e7b1b579 to 06f42accaf3c6aecab1dcc57f68dde6c06c8b380 (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 2.6.14 is affected
  • unaffected from 0 to 2.6.14 (excl.)
  • unaffected from 6.12.112 to 6.12.* (incl.)
  • unaffected from 6.18.54 to 6.18.* (incl.)
  • unaffected from 7.2.8 to 7.2.* (incl.)
  • unaffected from 7.3-rc4 to * (incl.)

References