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").

EPSS

0.2% chance of exploitation in the next 30 days; higher than 14% of CVEs (scores of 2026-10-28)

Published

2025-12-30

Modified

2026-10-28

Record from

the NVD, synced 2026-10-28

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

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