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THREAT OPS › Threat News › [NVD] CVE-2026-80635 (HIGH 8.8) — In the Linux kernel, the following vulnerability has been resolved: wifi: wcn36xx: fix OOB read from short trigger BA firmware response The firmware response length is only checked against sizeof(*rsp) (20 bytes), but when candidate_cnt >= 1, a 22-byte candidate struct is read

[NVD] CVE-2026-80635 (HIGH 8.8) — In the Linux kernel, the following vulnerability has been resolved: wifi: wcn36xx: fix OOB read from short trigger BA firmware response The firmware response length is only checked against sizeof(*rsp) (20 bytes), but when candidate_cnt >= 1, a 22-byte candidate struct is read

mednvdPublished 2026-08-28

CVE-2026-80635 CVSS: 8.8 HIGH Published: 2026-08-28T08:16:48.400

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

wifi: wcn36xx: fix OOB read from short trigger BA firmware response

The firmware response length is only checked against sizeof(*rsp) (20 bytes), but when candidate_cnt >= 1, a 22-byte candidate struct is read at buf + 20 without verifying the response contains it

Indicators of compromise

CVE-2026-80635cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-80635