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

Bluetooth: ISO: Fix not releasing hdev reference on iso_conn_big_sync

hci_get_route() returns a reference-counted hci_dev pointer via
hci_dev_hold(). The function exits normally or with an error without ever
releasing it.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00175.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Linux Linux unaffected
Version Status Constraints
1360e5b6ce63d63d23223a659ca2bbafa30a53aa affected < 4bbec25f47b930101294fd310c627c3f53e9661f
07a9342b94a91b306ed1cf6aa8254aea210764c9 affected < 33d677d2e3713d98012c3dbd4a9207f7d785b854
07a9342b94a91b306ed1cf6aa8254aea210764c9 affected < 23e8eb16820b866528fb300dc67fe3f67f00ef62
07a9342b94a91b306ed1cf6aa8254aea210764c9 affected < 5cbf290b79351971f20c7a533247e8d58a3f970c
bfec1e55314896bf4a4cfdb3a9ad4872be9f06ed affected —
6.12.2 affected < 6.12.94
6.11.11 affected < 6.12
Linux Linux affected
Version Status Constraints
6.13 affected —
0 unaffected < 6.13
6.12.94 unaffected ≤ 6.12.*
6.18.36 unaffected ≤ 6.18.*
7.0.13 unaffected ≤ 7.0.*
7.1 unaffected ≤ *

No data.

No data.

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Advisories

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://git.kernel.org/stable/c/23e8eb16820b866528fb300dc67fe3f67f00ef62 cve-icon
https://git.kernel.org/stable/c/33d677d2e3713d98012c3dbd4a9207f7d785b854 cve-icon
https://git.kernel.org/stable/c/4bbec25f47b930101294fd310c627c3f53e9661f cve-icon
https://git.kernel.org/stable/c/5cbf290b79351971f20c7a533247e8d58a3f970c cve-icon
History

Thu, 25 Jun 2026 12:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-545

Thu, 25 Jun 2026 09:15:00 +0000

Type Values Removed Values Added
Description In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: Fix not releasing hdev reference on iso_conn_big_sync hci_get_route() returns a reference-counted hci_dev pointer via hci_dev_hold(). The function exits normally or with an error without ever releasing it.
Title Bluetooth: ISO: Fix not releasing hdev reference on iso_conn_big_sync
First Time appeared Linux
Linux linux Kernel
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2026-06-25T08:39:43.290Z

Reserved: 2026-06-09T07:44:35.394Z

Link: CVE-2026-53251

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-25T12:00:13Z

Weaknesses