CVE-2023-54197

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

State: Published
Severity: Not scored
Published: Dec 30, 2025
Updated: May 23, 2026
Reserved: Dec 30, 2025

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").

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	95eacef5692545f199fae4e52abfbfa273acb351 to before 3b4ed52009723f7dfca7a8ca95163bfb441bfb76Affected af4d48754d5517d33bac5e504ff1f1de0808e29e to before 70a104588e3131415e559c06deb834ce259a285aAffected a18fb433ceb56e0787546a9d77056dd0f215e762 to before de0ffb5145c9f418ad76f00e58d4b91c680410b2Affected da3d3fdfb4d523c5da30e35a8dd90e04f0fd8962 to before 0837d10f6c37a47a0c73bccf1e39513613a2fcc2Affected 8efae2112d910d8e5166dd0a836791b08721eef1 to before a789192f366147a0fbb395650079906d1d04e0b9Affected cbf8deacb7053ce3e3fed64b277c6c6989e65bba to before 952030c914b5f2288609efe868537afcff7a3f51Affected c59c65a14e8f7d738429648833f3bb3f9df0513f to before 8f83fa62614c282dd5d1211a0dd99c6a0a515b81Affected 1e9ac114c4428fdb7ff4635b45d4f46017e8916f to before d8d7ce037d9a8f1f0714ece268c4c2c50845bbc3Affected 1e9ac114c4428fdb7ff4635b45d4f46017e8916f to before db2bf510bd5d57f064d9e1db395ed86a08320c54Affected 4.14.312 to before 4.14.315Affected 4.19.280 to before 4.19.283Affected 5.4.240 to before 5.4.243Affected 5.10.177 to before 5.10.180Affected 5.15.105 to before 5.15.111Affected 6.1.22 to before 6.1.28Affected 6.2.9 to before 6.2.15Affected
LinuxLinux	6.3Affected before 6.3Not affected 4.14.315 through 4.14.Not affected 4.19.283 through 4.19.Not affected 5.4.243 through 5.4.Not affected 5.10.180 through 5.10.Not affected 5.15.111 through 5.15.Not affected 6.1.28 through 6.1.Not affected 6.2.15 through 6.2.Not affected 6.3.2 through 6.3.Not affected 6.4 and laterNot affected

Product

Versions

LinuxLinux

95eacef5692545f199fae4e52abfbfa273acb351 to before 3b4ed52009723f7dfca7a8ca95163bfb441bfb76Affected
af4d48754d5517d33bac5e504ff1f1de0808e29e to before 70a104588e3131415e559c06deb834ce259a285aAffected
a18fb433ceb56e0787546a9d77056dd0f215e762 to before de0ffb5145c9f418ad76f00e58d4b91c680410b2Affected
da3d3fdfb4d523c5da30e35a8dd90e04f0fd8962 to before 0837d10f6c37a47a0c73bccf1e39513613a2fcc2Affected
8efae2112d910d8e5166dd0a836791b08721eef1 to before a789192f366147a0fbb395650079906d1d04e0b9Affected
cbf8deacb7053ce3e3fed64b277c6c6989e65bba to before 952030c914b5f2288609efe868537afcff7a3f51Affected
c59c65a14e8f7d738429648833f3bb3f9df0513f to before 8f83fa62614c282dd5d1211a0dd99c6a0a515b81Affected
1e9ac114c4428fdb7ff4635b45d4f46017e8916f to before d8d7ce037d9a8f1f0714ece268c4c2c50845bbc3Affected
1e9ac114c4428fdb7ff4635b45d4f46017e8916f to before db2bf510bd5d57f064d9e1db395ed86a08320c54Affected
4.14.312 to before 4.14.315Affected
4.19.280 to before 4.19.283Affected
5.4.240 to before 5.4.243Affected
5.10.177 to before 5.10.180Affected
5.15.105 to before 5.15.111Affected
6.1.22 to before 6.1.28Affected
6.2.9 to before 6.2.15Affected

LinuxLinux

6.3Affected
before 6.3Not affected
4.14.315 through 4.14.*Not affected
4.19.283 through 4.19.*Not affected
5.4.243 through 5.4.*Not affected
5.10.180 through 5.10.*Not affected
5.15.111 through 5.15.*Not affected
6.1.28 through 6.1.*Not affected
6.2.15 through 6.2.*Not affected
6.3.2 through 6.3.*Not affected
6.4 and laterNot affected

References

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