CVE-2026-74302

CVE CVE-2026-74302EUVD EUVD-2026-59449Published 2026-08-15T05:58:04.000ZLast changed 2026-08-17T05:45:38.000ZCVSS 7.8

What the advisory describes

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.

Source: EUVD (ENISA), in the words of the advisory.

Products the advisory names

These come from the advisory itself, not from any check we performed.

Linux — Linux 48542881997e17b49dc16b93fe910e0cfcf7a9f9; 6.1.101 <6.2; 0d151a103775dd9645c78c97f77d6e2a5298d913 <a0fd1086a57b982f8c24ae4ab165c2af39fe1735; 6.9.11 <6.10; patch: 7.1.5; 5.10.223 <5.11; 96600c2e5ee8213dbab5df1617293d8e847bb4fa; 6.6.42 <6.7; patch: 0; 0d151a103775dd9645c78c97f77d6e2a5298d913 <672d52d9412252e61b8de8d773ccdf5a277cf540; 0d151a103775dd9645c78c97f77d6e2a5298d913 <5edcc018fa6e80b2c478454a4a8229c23d67c181; patch: 6.18.40; d6cbce18370641a21dd889e8613d8153df15eb39; d2ce562a5aff1dcd0c50d9808ea825ef90da909f; 6.10; 0d151a103775dd9645c78c97f77d6e2a5298d913 <48c7ad6afcc58c2cda11fed39791708103b6a644; patch: 7.2; 3f939bd73fed12dddc2a32a76116c19ca47c7678; ddeda6ca5f218b668b560d90fc31ae469adbfd92; 5.15.164 <5.16; patch: 6.12.97; 4.19.319 <4.20; 5.4.281 <5.5; 9cfc84b1d464cc024286f42a090718f9067b80ed

The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.

Carried in the product catalogue

An estate covering these products can be recorded in Patchlage. An advisory about them appears in the next morning's situation report.

Linux — Linux

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