8.8

CVE-2026-52918

Bluetooth: serialize accept_q access

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

Bluetooth: serialize accept_q access

bt_sock_poll() walks the accept queue without synchronization, while
child teardown can unlink the same socket and drop its last reference.
The unsynchronized accept queue walk has existed since the initial
Bluetooth import.

Protect accept_q with a dedicated lock for queue updates and polling.
Also rework bt_accept_dequeue() to take temporary child references under
the queue lock before dropping it and locking the child socket.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 2.6.12.1 < 5.10.259
Linux ≫ Linux Kernel Version >= 5.11 < 5.15.210
Linux ≫ Linux Kernel Version >= 5.16 < 6.1.176
Linux ≫ Linux Kernel Version >= 6.2 < 6.6.142
Linux ≫ Linux Kernel Version >= 6.7 < 6.12.92
Linux ≫ Linux Kernel Version >= 6.13 < 6.18.34
Linux ≫ Linux Kernel Version >= 6.19 < 7.0.11
Linux ≫ Linux Kernel Version 2.6.12 Update -
Linux ≫ Linux Kernel Version 2.6.12 Update rc2
Linux ≫ Linux Kernel Version 2.6.12 Update rc3
Linux ≫ Linux Kernel Version 2.6.12 Update rc4
Linux ≫ Linux Kernel Version 2.6.12 Update rc5
Linux ≫ Linux Kernel Version 7.1 Update rc1
Linux ≫ Linux Kernel Version 7.1 Update rc2
Linux ≫ Linux Kernel Version 7.1 Update rc3
Linux ≫ Linux Kernel Version 7.1 Update rc4
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.26% 0.179
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
416baaa9-dc9f-4396-8d5f-8c081fb06d67 8.8 2.8 5.9
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://git.kernel.org/stable/c/d9ce4de05df2385c19e2c7d12f529144e1a44af1
Patch
https://git.kernel.org/stable/c/41c8c1c7923e86e0eb59cfb4279349112756a336
Patch
https://git.kernel.org/stable/c/4ec17782fd186f901a7329605d11048b085b945a
Patch
https://git.kernel.org/stable/c/be43e6b4043113c3b3cf887c3c8350f67140274c
Patch
https://git.kernel.org/stable/c/85f8674cae82053f1e6bab295f6a8422cca14db5
Patch
https://git.kernel.org/stable/c/8b4c412e001b0c670eb937beab491af974da55b3
Patch
https://git.kernel.org/stable/c/a218bf69eb51fefe59a3976fa8925261141f681c
Patch
https://git.kernel.org/stable/c/e83f5e24da741fa9405aeeff00b08c5ee7c37b88
Patch
https://cert-portal.siemens.com/productcert/html/ssa-784472.html