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Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btusb: reorder cleanup in btusb_disconnect to avoid UAF There is a KASAN: slab-use-after-free read in btusb_disconnect(). Calling "usb_driver_release_interface(&btusb_driver, data->intf)" will free the btusb data associated with the interface. The same data is then used later in the function, hence the UAF. Fix by moving the accesses to btusb data to before the data is free'd.

PUBLISHED Reserved 2025-04-16 | Published 2025-12-06 | Updated 2025-12-06 | Assigner Linux

Product status

Default status
unaffected

fd913ef7ce619467c6b0644af48ba1fec499c623 (git) before 297dbf87989e09af98f81f2bcb938041785557e8
affected

fd913ef7ce619467c6b0644af48ba1fec499c623 (git) before f858f004bc343a7ae9f2533bbb2a3ab27428532f
affected

fd913ef7ce619467c6b0644af48ba1fec499c623 (git) before 7a6d1e740220ff9dfcb6a8c994d6ba49e76db198
affected

fd913ef7ce619467c6b0644af48ba1fec499c623 (git) before 5dc00065a0496c36694afe11e52a5bc64524a9b8
affected

fd913ef7ce619467c6b0644af48ba1fec499c623 (git) before 1c28c1e1522c773a94e26950ffb145e88cd9834b
affected

fd913ef7ce619467c6b0644af48ba1fec499c623 (git) before 95b9b98c93b1c0916a3d4cf4540b7f5d69145a0d
affected

fd913ef7ce619467c6b0644af48ba1fec499c623 (git) before a2610ecd9fd5708be8997ca8f033e4200c0bb6af
affected

fd913ef7ce619467c6b0644af48ba1fec499c623 (git) before 23d22f2f71768034d6ef86168213843fc49bf550
affected

Default status
affected

4.11
affected

Any version before 4.11
unaffected

5.4.302 (semver)
unaffected

5.10.247 (semver)
unaffected

5.15.197 (semver)
unaffected

6.1.159 (semver)
unaffected

6.6.117 (semver)
unaffected

6.12.59 (semver)
unaffected

6.17.9 (semver)
unaffected

6.18 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/297dbf87989e09af98f81f2bcb938041785557e8

git.kernel.org/...c/f858f004bc343a7ae9f2533bbb2a3ab27428532f

git.kernel.org/...c/7a6d1e740220ff9dfcb6a8c994d6ba49e76db198

git.kernel.org/...c/5dc00065a0496c36694afe11e52a5bc64524a9b8

git.kernel.org/...c/1c28c1e1522c773a94e26950ffb145e88cd9834b

git.kernel.org/...c/95b9b98c93b1c0916a3d4cf4540b7f5d69145a0d

git.kernel.org/...c/a2610ecd9fd5708be8997ca8f033e4200c0bb6af

git.kernel.org/...c/23d22f2f71768034d6ef86168213843fc49bf550

cve.org (CVE-2025-40283)

nvd.nist.gov (CVE-2025-40283)

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