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").
Affected versions
Linux kernel versions
4.14.312,
4.19.280,
5.4.240,
5.10.177,
5.15.105,
6.1.22,
6.2.9,
6.3
and later are affected. Fixed in
4.14.315,
4.19.283,
5.4.243,
5.10.180,
5.15.111,
6.1.28,
6.2.15,
6.3.2,
6.4
and their respective stable series.
References
The following references provide additional information about CVE-2023-54197 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/0837d10f6c37a47a0c73bccf1e39513613a2fcc2
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PatchKernel patch commithttps://git.kernel.org/stable/c/3b4ed52009723f7dfca7a8ca95163bfb441bfb76
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PatchKernel patch commithttps://git.kernel.org/stable/c/70a104588e3131415e559c06deb834ce259a285a
Frequently asked questions
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What is CVE-2023-54197?
CVE-2023-54197 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 4.14.312 onward and has been patched in 4.14.315, 4.19.283, 5.4.243 and others. CVE-2023-54197 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2023-54197?
Yes — CVE-2023-54197 has been patched. Fixed versions include 4.14.315, 4.19.283, 5.4.243 and others. If you are running Linux kernel 4.14.312 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2023-54197 actively exploited?
No — CVE-2023-54197 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.