CVE-2026-98193

Summary

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxb453872c35cfcbdbf5a794737817f7d4e7b1b579 < 9a7fb67364817710c96785ff86b71a2711ee92cbaffected
LinuxLinuxb453872c35cfcbdbf5a794737817f7d4e7b1b579 < ac7c08626f67844336086cf563f417566b76f0d7affected
LinuxLinuxb453872c35cfcbdbf5a794737817f7d4e7b1b579 < bb7ae8910cc886885aea95abb7c2e578a2341646affected
LinuxLinuxb453872c35cfcbdbf5a794737817f7d4e7b1b579 < 06f42accaf3c6aecab1dcc57f68dde6c06c8b380affected
LinuxLinux2.6.14affected
LinuxLinux0 < 2.6.14unaffected
LinuxLinux6.12.112 <= 6.12.*unaffected
LinuxLinux6.18.54 <= 6.18.*unaffected
LinuxLinux7.2.8 <= 7.2.*unaffected
LinuxLinux7.3-rc4 <= *unaffected

Weaknesses

References