Bluetooth: mgmt: fix locking in unpair_device/disconnect_sync

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-68392
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-10 13:20:32 UTC
Updated2026-08-10 13:20:32 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: Bluetooth: mgmt: fix locking in unpair_device/disconnect_sync Dereferencing RCU-protected pointers outside critical sections is invalid and may lead to UAF. Take hdev->lock for hci_conn lookup and hci_abort_conn(). Don't use RCU to ensure the conn is fully initialized at this point.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 249c88e7fb45b6b705040c5af4bd0d0f2bc9735c 8bc83f9ef6789571f399ff631a2a14a12b6d8585 git Not specified
CNA Linux Linux affected 227a0cdf4a028a73dc256d0f5144b4808d718893 579faba5ede6df6b7f36777c431dc8dcf9d272e7 git Not specified
CNA Linux Linux affected 227a0cdf4a028a73dc256d0f5144b4808d718893 ca58ad287bfc5b9d31a72ecb8650289df2b57250 git Not specified
CNA Linux Linux affected 227a0cdf4a028a73dc256d0f5144b4808d718893 b11511006f9e17000de3f4cadee451364f658ca3 git Not specified
CNA Linux Linux affected 227a0cdf4a028a73dc256d0f5144b4808d718893 16cd66443957e4ad42155c6fec401012f600c6f8 git Not specified
CNA Linux Linux affected 58afdc9b18871eb1d461c725be9e9f3f44a39aeb git Not specified
CNA Linux Linux affected 6.6.51 6.6.148 semver Not specified
CNA Linux Linux affected 6.10.10 6.11 semver Not specified
CNA Linux Linux affected 6.11 Not specified
CNA Linux Linux unaffected 6.11 semver Not specified
CNA Linux Linux unaffected 6.6.148 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.101 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.42 6.18.* semver Not specified
CNA Linux Linux unaffected 7.1.6 7.1.* semver Not specified
CNA Linux Linux unaffected 7.2-rc4 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/579faba5ede6df6b7f36777c431dc8dcf9d272e7 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/8bc83f9ef6789571f399ff631a2a14a12b6d8585 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/16cd66443957e4ad42155c6fec401012f600c6f8 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/b11511006f9e17000de3f4cadee451364f658ca3 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/ca58ad287bfc5b9d31a72ecb8650289df2b57250 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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