CVE-2023-53827

Source
https://cve.org/CVERecord?id=CVE-2023-53827
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53827.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2023-53827
Downstream
Related
Published
2025-12-09T01:29:40.794Z
Modified
2026-03-19T09:10:20.531842Z
Summary
Bluetooth: L2CAP: Fix use-after-free in l2cap_disconnect_{req,rsp}
Details

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

Bluetooth: L2CAP: Fix use-after-free in l2capdisconnect{req,rsp}

Similar to commit d0be8347c623 ("Bluetooth: L2CAP: Fix use-after-free caused by l2capchanput"), just use l2capchanholdunlesszero to prevent referencing a channel that is about to be destroyed.

Database specific
{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53827.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
61d6ef3e3408cdf7e622646fb90a9f7f9560b943
Fixed
f2d38e77aa5f3effc143e7dd24da8acf02925958
Fixed
1351551aa9058e07a20a27a158270cf84fcde621
Fixed
c02421992505c95c7f3c9ad59ee35e22eac60988
Fixed
d9ba36c22a7bb09d6bac4cc2f243eff05da53f43
Fixed
ac6725a634f7e8c0330610a8527f20c730b61115
Fixed
348d446762e7c70778df8bafbdf3fa0df2123f58
Fixed
d82a439c3cfdb28aa7e82e2e849c5c4dd9fca284
Fixed
a2a9339e1c9deb7e1e079e12e27a0265aea8421a

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53827.json"

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
3.5.0
Fixed
4.14.313
Type
ECOSYSTEM
Events
Introduced
4.15.0
Fixed
4.19.281
Type
ECOSYSTEM
Events
Introduced
4.20.0
Fixed
5.4.241
Type
ECOSYSTEM
Events
Introduced
5.5.0
Fixed
5.10.178
Type
ECOSYSTEM
Events
Introduced
5.11.0
Fixed
5.15.108
Type
ECOSYSTEM
Events
Introduced
5.16.0
Fixed
6.1.25
Type
ECOSYSTEM
Events
Introduced
6.2.0
Fixed
6.2.12

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53827.json"