CVE-2023-54197: Revert "Bluetooth: btsdio: fix use after free bug in btsdio_remove due to unfinished work"

Deferred
AliasesUBUNTU-CVE-2023-54197DEBIAN-CVE-2023-54197
Published 30-12-2025Last modified 23-05-2026

Vulnerability summary

CVE-2023-54197 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 14.1% of scored vulnerabilities.

Priority
Insufficient evidence

No CVSS vector published; no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
0.23%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 6 · Related 5
RHSA-2024:2394SUSE-SU-2026:0263-1SUSE-SU-2026:0316-1SUSE-SU-2026:0317-1SUSE-SU-2026:0411-1SUSE-SU-2026:0617-1

Timeline

  1. 30-12-2025
    PublishedVulnerability first disclosed.
  2. 23-05-2026
    Last modifiedVulnerability information updated.

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").

CVSS metrics

Risk metrics not yet published.

EPSS trend

Probability

0.23%

Chance of exploitation in the next 30 days

Percentile

14%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.23% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: not stated in public data.

Ubuntu85 products
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
  • linux-aws-5.13All versions (No fix recorded)
  • linux-aws-5.19All versions (No fix recorded)
Debian1 product
  • linux< 6.1.37-1 | < 6.3.7-1
Linux1 product
  • linux≥ 95eacef5692545f199fae4e52abfbfa273acb351, < 3b4ed52009723f7dfca7a8ca95163bfb441bfb76 | ≥ af4d48754d5517d33bac5e504ff1f1de0808e29e, < 70a104588e3131415e559c06deb834ce259a285a | ≥ a18fb433ceb56e0787546a9d77056dd0f215e762, < de0ffb5145c9f418ad76f00e58d4b91c680410b2 | ≥ da3d3fdfb4d523c5da30e35a8dd90e04f0fd8962, < 0837d10f6c37a47a0c73bccf1e39513613a2fcc2 | ≥ 8efae2112d910d8e5166dd0a836791b08721eef1, < a789192f366147a0fbb395650079906d1d04e0b9 | ≥ cbf8deacb7053ce3e3fed64b277c6c6989e65bba, < 952030c914b5f2288609efe868537afcff7a3f51 | ≥ c59c65a14e8f7d738429648833f3bb3f9df0513f, < 8f83fa62614c282dd5d1211a0dd99c6a0a515b81 | ≥ 1e9ac114c4428fdb7ff4635b45d4f46017e8916f, < d8d7ce037d9a8f1f0714ece268c4c2c50845bbc3 | ≥ 1e9ac114c4428fdb7ff4635b45d4f46017e8916f, < db2bf510bd5d57f064d9e1db395ed86a08320c54 | ≥ 4.14.312, < 4.14.315 | ≥ 4.19.280, < 4.19.283 | ≥ 5.4.240, < 5.4.243 | ≥ 5.10.177, < 5.10.180 | ≥ 5.15.105, < 5.15.111 | ≥ 6.1.22, < 6.1.28 | ≥ 6.2.9, < 6.2.15 | 6.3

3 vendors · 87 products

References

13 links
Show all 13 references