CVE-2026-93789

CVE-2026-93789: vulnerability in Linux

wifi: iwlwifi: bound aligned TLV advance in FW parser

Published · Updated

3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 0.2%
exploitation probability
0.2%top 94% of all CVEs
observed exploitation
nono source reports it
In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: bound aligned TLV advance in FW parser Validate ALIGN(tlv_len, 4) against remaining parser length before consuming bytes from the firmware image. This avoids length underflow on malformed TLVs.
Affected products
Linux · Linux
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References
https://git.kernel.org/stable/c/4cfadb2e01566bc36d42922fbe18838345087050https://git.kernel.org/stable/c/528fa9eb14c209533ca26958b76da55e0ce239d8https://git.kernel.org/stable/c/61da42fdd21d98ccb8f1ec5224659f3d09202cf4https://git.kernel.org/stable/c/7aa9097623afb694bc25382a62e14d8e82bf002fhttps://git.kernel.org/stable/c/8c332d45b736d41301b7e07f322785d821265dbchttps://git.kernel.org/stable/c/acad742714bdc70e7fd7f234323807c596828213https://git.kernel.org/stable/c/ce709fcab5e1d4df6d4ba980736dc5908502a40f