7.8

CVE-2026-74302

Bluetooth: hci_core: Fix UAF in hci_unregister_dev()

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

Bluetooth: hci_core: Fix UAF in hci_unregister_dev()

hci_unregister_dev() does not disable cmd_timer and ncmd_timer
before the hci_dev structure is freed. If a timeout fires
during device teardown, the callback dereferences freed memory
(including the hdev->reset function pointer), leading to a
use-after-free.

Add disable_delayed_work_sync() calls alongside the existing
disable_work_sync() calls to ensure both timers are fully
quiesced before teardown proceeds.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
≫
Produkt Linux
Default Statusunaffected
Version 0d151a103775dd9645c78c97f77d6e2a5298d913
Version < 48c7ad6afcc58c2cda11fed39791708103b6a644
Status affected
Version 0d151a103775dd9645c78c97f77d6e2a5298d913
Version < a0fd1086a57b982f8c24ae4ab165c2af39fe1735
Status affected
Version 0d151a103775dd9645c78c97f77d6e2a5298d913
Version < 672d52d9412252e61b8de8d773ccdf5a277cf540
Status affected
Version 0d151a103775dd9645c78c97f77d6e2a5298d913
Version < 5edcc018fa6e80b2c478454a4a8229c23d67c181
Status affected
Version 48542881997e17b49dc16b93fe910e0cfcf7a9f9
Status affected
Version 9cfc84b1d464cc024286f42a090718f9067b80ed
Status affected
Version ddeda6ca5f218b668b560d90fc31ae469adbfd92
Status affected
Version d2ce562a5aff1dcd0c50d9808ea825ef90da909f
Status affected
Version 96600c2e5ee8213dbab5df1617293d8e847bb4fa
Status affected
Version d6cbce18370641a21dd889e8613d8153df15eb39
Status affected
Version 3f939bd73fed12dddc2a32a76116c19ca47c7678
Status affected
Version 4.19.319
Version < 4.20
Status affected
Version 5.4.281
Version < 5.5
Status affected
Version 5.10.223
Version < 5.11
Status affected
Version 5.15.164
Version < 5.16
Status affected
Version 6.1.101
Version < 6.2
Status affected
Version 6.6.42
Version < 6.7
Status affected
Version 6.9.11
Version < 6.10
Status affected
HerstellerLinux
≫
Produkt Linux
Default Statusaffected
Version 6.10
Status affected
Version 0
Version < 6.10
Status unaffected
Version <= 6.12.*
Version 6.12.97
Status unaffected
Version <= 6.18.*
Version 6.18.40
Status unaffected
Version <= 7.1.*
Version 7.1.5
Status unaffected
Version <= *
Version 7.2
Status unaffected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.13% 0.026
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
416baaa9-dc9f-4396-8d5f-8c081fb06d67 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://git.kernel.org/stable/c/48c7ad6afcc58c2cda11fed39791708103b6a644
https://git.kernel.org/stable/c/a0fd1086a57b982f8c24ae4ab165c2af39fe1735
https://git.kernel.org/stable/c/672d52d9412252e61b8de8d773ccdf5a277cf540
https://git.kernel.org/stable/c/5edcc018fa6e80b2c478454a4a8229c23d67c181