Vulnerability details
CVE-2023-53386
Linux Linux
Bluetooth: Fix potential use-after-free when clear keys
CVSS 3.1
7.8High
Official description
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix potential use-after-free when clear keys Similar to commit c5d2b6fa26b5 ("Bluetooth: Fix use-after-free in hci_remove_ltk/hci_remove_irk"). We can not access k after kfree_rcu() call.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.8High | 3.1 | CISA ADP / Vulnrichment (CISA-ADP) | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 7.8High | 3.1 | CVEProject cvelistV5 (CNA) (Linux) | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Linux | Linux | 5.7 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | d7d41682efc25d58b5bd8b80e85e3c9ce586635c ≤ v < 942d8cefb022f384d5424f8b90c7878f3f93726f | CVEProject cvelistV5 (CNA) |
| Linux | Linux | d7d41682efc25d58b5bd8b80e85e3c9ce586635c ≤ v < 94617b736c25091b60e514e2e7aeafcbbee6b700 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | d7d41682efc25d58b5bd8b80e85e3c9ce586635c ≤ v < e87da6a0ac6e631454e7da53a76aa9fe44aaa5dd | CVEProject cvelistV5 (CNA) |
| Linux | Linux | d7d41682efc25d58b5bd8b80e85e3c9ce586635c ≤ v < 35cc42f04bc49f0656f6840cb7451b3df6049649 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | d7d41682efc25d58b5bd8b80e85e3c9ce586635c ≤ v < 3673952cf0c6cf81b06c66a0b788abeeb02ff3ae | CVEProject cvelistV5 (CNA) |
| Linux | Linux | d7d41682efc25d58b5bd8b80e85e3c9ce586635c ≤ v < da19f35868dfbecfff4f81166c054d2656cb1be4 | CVEProject cvelistV5 (CNA) |
References and advisories
6- https://git.kernel.org/stable/c/e87da6a0ac6e631454e7da53a76aa9fe44aaa5dd
- https://git.kernel.org/stable/c/942d8cefb022f384d5424f8b90c7878f3f93726f
- https://git.kernel.org/stable/c/94617b736c25091b60e514e2e7aeafcbbee6b700
- https://git.kernel.org/stable/c/da19f35868dfbecfff4f81166c054d2656cb1be4
- https://git.kernel.org/stable/c/35cc42f04bc49f0656f6840cb7451b3df6049649
- https://git.kernel.org/stable/c/3673952cf0c6cf81b06c66a0b788abeeb02ff3ae
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Details
- Published
- 2025-09-18
- Last updated
- 2026-08-05
- State
- Published
- Assigner (CNA)
- Linux
Exploit prediction (EPSS)
0.15%
Probability of exploitation in 30 days
4.5%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-416Use After Free