CVE-2026-98185

Unknown

Last modified

CVE-2026-98185 is a vulnerability of currently unknown severity. In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: validate scan response extents mwifiex_ret_802_11_scan() subtracts the fixed response fields and the firmware-provided BSS length from resp->size without first proving that either extent fits. A short response or oversized BSS length can therefore underflow tlv_buf_size and make the TLV parser walk beyond the command response. Compute the fixed extent from the selected normal or background scan response.

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: validate scan response extents mwifiex_ret_802_11_scan() subtracts the fixed response fields and the firmware-provided BSS length from resp->size without first proving that either extent fits. A short response or oversized BSS length can therefore underflow tlv_buf_size and make the TLV parser walk beyond the command response. Compute the fixed extent from the selected normal or background scan response. Validate that the fixed fields and BSS data fit before deriving the TLV extent and entering the parser.

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= 5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e, < 25217c5f6ce0bf3004f80c129464cd35fe9a420f; >= 5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e, < 48312f0085aa1577d6d41af2a079b34de17c1a57; >= 5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e, < dccf5ecaad4d8d43c545921f20328e8f91af8698; >= 5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e, < c4943323fda22ef27bb6479b9d328ae48c63f64c; >= 5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e, < cb0008480ed7d5cf76f3ad9668a91bbb7d0b4417; >= 5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e, < 9cff2f39ed38a32070b08364c4c9346e85b8f9ec; >= 5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e, < 7106ad8b74f50cca1ef36131f327d2c78f556daa; >= 5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e, < 3687d7d48070838cc2953431b3a27717cab0aaf6
LinuxLinux3.0

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-98185?
In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: validate scan response extents mwifiex_ret_802_11_scan() subtracts the fixed response fields and the firmware-provided BSS length from resp->size without first proving that either extent fits. A short response or oversized BSS length can therefore underflow tlv_buf_size and make the TLV parser walk beyond the command response. Compute the fixed extent from the selected normal or background scan response. Validate that the fixed fields and BSS data fit before deriving the TLV extent and entering the parser.
How severe is CVE-2026-98185?
Severity scoring for CVE-2026-98185 is pending analysis.
How do I fix CVE-2026-98185?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST