CVE-2023-54197

CVE-2023-54197 is a security vulnerability that is still awaiting full analysis and scoring. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

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").

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").
Is CVE-2023-54197 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2023-54197?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-54197 have an EU (EUVD) identifier?
Yes. CVE-2023-54197 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-60444.
When was CVE-2023-54197 published?
CVE-2023-54197 was published on 2025-12-30 and last updated on 2026-06-17.

References