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ReviewHigh

CVE-2026-74510

Linux

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: mgmt: fix UAF in pair command cancellation The pairing completion and authentication failure callbacks look up the pending MGMT_OP_PAIR_DEVICE command by walking hdev->mgmt_pending. The lookup returned a command that was still linked on the shared pending list, without keeping mgmt_pending_lock held for the later dereference and removal. A concurrent MGMT_OP_CANCEL_PAIR_DEVICE request can remove and free the same pending command before the callback uses it. The reverse race is also possible when cancel_pair_devic...

CVSS
7.8
EPSS
-
- percentile
CISA KEV
Not listed
Published
2026.08.15
PRIORITY ASSESSMENT

Review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability-
Technical severityCVSS 7.8

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: mgmt: fix UAF in pair command cancellation The pairing completion and authentication failure callbacks look up the pending MGMT_OP_PAIR_DEVICE command by walking hdev->mgmt_pending. The lookup returned a command that was still linked on the shared pending list, without keeping mgmt_pending_lock held for the later dereference and removal. A concurrent MGMT_OP_CANCEL_PAIR_DEVICE request can remove and free the same pending command before the callback uses it. The reverse race is also possible when cancel_pair_devic...

Affected product and versions

Product
Linux
Affected versions
>= e9a416b5ce0c0f93819f55d34cf6882196e9c3b2 < 50af4280a587c9971b5388cbc438f1324e626b7b, >= e9a416b5ce0c0f93819f55d34cf6882196e9c3b2 < 86ed4dd6548ccf277bc691bc912ca06e76b9d80c, >= e9a416b5ce0c0f93819f55d34cf6882196e9c3b2 < 7c2a152a897cd1c184b2051484d4f74d803e7f4a, >= e9a416b5ce0c0f93819f55d34cf6882196e9c3b2 < c569def320aa8b1fde89227e2ea96606790fd86d, >= e9a416b5ce0c0f93819f55d34cf6882196e9c3b2 < 51be7280980fddc90ebe874a69c2fe8ab02bb46a, >= e9a416b5ce0c0f93819f55d34cf6882196e9c3b2 < d0a7b48ad0921bd88effaee10bf970ab1d5d0ddd, >= 2.6.39
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
Not available