Bug 2426140 (CVE-2023-54197) - CVE-2023-54197 kernel: Revert "Bluetooth: btsdio: fix use after free bug in btsdio_remove due to unfinished work"
Summary: CVE-2023-54197 kernel: Revert "Bluetooth: btsdio: fix use after free bug in b...
Keywords:
Status: NEW
Alias: CVE-2023-54197
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-12-30 13:11 UTC by OSIDB Bzimport
Modified: 2025-12-31 06:25 UTC (History)
0 users

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Description OSIDB Bzimport 2025-12-30 13:11:51 UTC 
In the Linux kernel, the following vulnerability has been resolved:

Revert "Bluetooth: btsdio: fix use after free bug in btsdio_remove due to unfinished work"

This reverts commit 1e9ac114c4428fdb7ff4635b45d4f46017e8916f.

This patch introduces a possible null-ptr-def problem. Revert it. And the
fixed bug by this patch have resolved by commit 73f7b171b7c0 ("Bluetooth:
btsdio: fix use after free bug in btsdio_remove due to race condition").
Comment 1 Alexander B 2025-12-31 06:20:40 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025123029-CVE-2023-54197-aeec@gregkh/T
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