CVE-2023-54197
Published Dec 30, 2025
Modified Apr 15, 2026
Description
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").
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References
Other References
https://git.kernel.org/stable/c/0837d10f6c37a47a0c73bccf1e39513613a2fcc2
https://git.kernel.org/stable/c/3b4ed52009723f7dfca7a8ca95163bfb441bfb76
https://git.kernel.org/stable/c/70a104588e3131415e559c06deb834ce259a285a
https://git.kernel.org/stable/c/8f83fa62614c282dd5d1211a0dd99c6a0a515b81
https://git.kernel.org/stable/c/952030c914b5f2288609efe868537afcff7a3f51
https://git.kernel.org/stable/c/a789192f366147a0fbb395650079906d1d04e0b9
https://git.kernel.org/stable/c/d8d7ce037d9a8f1f0714ece268c4c2c50845bbc3
https://git.kernel.org/stable/c/db2bf510bd5d57f064d9e1db395ed86a08320c54
https://git.kernel.org/stable/c/de0ffb5145c9f418ad76f00e58d4b91c680410b2
Frequently Asked Questions
What is CVE-2023-54197? +
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").
How do I check if I'm vulnerable to CVE-2023-54197? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.