CVE-2026-98891

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Source

https://cve.org/CVERecord?id=CVE-2026-98891

Import Source

JSON Data

https://api.test.osv.dev/v1/vulns/CVE-2026-98891

Downstream

Related

Published

2026-10-23T11:37:51Z

Modified

2026-11-04T14:27:20Z

Summary

wifi: mac80211: validate deauth frame length before reason access

Details

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

wifi: mac80211: validate deauth frame length before reason access

ieee80211_rx_mgmt_deauth() reads the deauth reason code before checking that the fixed field is actually present in the received frame.

Validate the deauth frame length first and only then read the reason code.

Database specific

{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98891.json"
}

References

Affected packages

Type: GIT
Repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events: Introduced

c9c99f8938e41b878802d5d8481d6f7a212515b0

Fixed

51092dc769f021e9634474e1bd5a561da477fbdb

Fixed

a6ed4c00ccdc15011a73daa2b38af9fc5a2c543e

Fixed

80d1a110e9096b5bf41497f6b151154084862385

Fixed

a78689e2beed200d4590318612c74ae25c9408cf

Fixed

7a5ef1fd654d0e90d59aa32c881789c8bcc4125a

Fixed

9df64ad43e1f2c036667bba2bf385e9d7b3af564

Fixed

4a360c6e18dfa9d70006c7247a6a8cc8dfe0d60f

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-98891.json"

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-98891.json"