CVE-2023-53297

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Source
https://cve.org/CVERecord?id=CVE-2023-53297
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-53297.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2023-53297
Downstream
Related
Published
2025-09-16T08:11:29.283Z
Modified
2026-03-11T05:06:25.050880Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
Bluetooth: L2CAP: fix "bad unlock balance" in l2cap_disconnect_rsp
Details

In the Linux kernel, the following vulnerability has been resolved:

Bluetooth: L2CAP: fix "bad unlock balance" in l2capdisconnectrsp

conn->chanlock isn't acquired before l2capgetchanbyscid, if l2capgetchanby_scid returns NULL, then 'bad unlock balance' is triggered.

Database specific 
{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53297.json"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
f2d38e77aa5f3effc143e7dd24da8acf02925958
Fixed
5f352a56f0e607e6ff539cbf12156bfd8af232be
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
1351551aa9058e07a20a27a158270cf84fcde621
Fixed
6a27762340ad08643de3bc17fe1646ea489ca2e2
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
c02421992505c95c7f3c9ad59ee35e22eac60988
Fixed
2112c4c47d36bc5aba3ddeb9afedce6ae6a67e7d
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
d9ba36c22a7bb09d6bac4cc2f243eff05da53f43
Fixed
55410a9144c76ecda126e6cdec556dfcd8f343b2
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
ac6725a634f7e8c0330610a8527f20c730b61115
Fixed
116b9c002c894097adc2b8684db2d1da4229ed46
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
348d446762e7c70778df8bafbdf3fa0df2123f58
Fixed
fd269a0435f8e9943b7a57c5a59688848d42d449
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
a2a9339e1c9deb7e1e079e12e27a0265aea8421a
Fixed
5134556c9be582793f30695c09d18a26fe1ff2d7
Fixed
25e97f7b1866e6b8503be349eeea44bb52d661ce
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
d82a439c3cfdb28aa7e82e2e849c5c4dd9fca284

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-53297.json"