CVE-2023-53827

Advisory lineage Upstream: 0 Downstream: 11
Deferred
Published: 09 Dec 2025, 01:29
Last modified:11 May 2026, 19:52

Vulnerability Summary

Overall Risk (default)
minimal
0/100
CVSS Score
No data
EPSS Score
0.22% LOW
0% probability +0.18%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

09 Dec 2025, 01:29
Published
Vulnerability first disclosed
11 May 2026, 19:52
Last Modified
Vulnerability information updated

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free in l2cap_disconnect_{req,rsp} Similar to commit d0be8347c623 ("Bluetooth: L2CAP: Fix use-after-free caused by l2cap_chan_put"), just use l2cap_chan_hold_unless_zero to prevent referencing a channel that is about to be destroyed.

EPSS Trends

Current EPSS score: 0.22%• Percentile: 12%

Affected Systems

  • linux•linux

    ≥ 61d6ef3e3408cdf7e622646fb90a9f7f9560b943, < f2d38e77aa5f3effc143e7dd24da8acf02925958 | ≥ 61d6ef3e3408cdf7e622646fb90a9f7f9560b943, < 1351551aa9058e07a20a27a158270cf84fcde621 | ≥ 61d6ef3e3408cdf7e622646fb90a9f7f9560b943, < c02421992505c95c7f3c9ad59ee35e22eac60988 | ≥ 61d6ef3e3408cdf7e622646fb90a9f7f9560b943, < d9ba36c22a7bb09d6bac4cc2f243eff05da53f43 | ≥ 61d6ef3e3408cdf7e622646fb90a9f7f9560b943, < ac6725a634f7e8c0330610a8527f20c730b61115 | ≥ 61d6ef3e3408cdf7e622646fb90a9f7f9560b943, < 348d446762e7c70778df8bafbdf3fa0df2123f58 | ≥ 61d6ef3e3408cdf7e622646fb90a9f7f9560b943, < d82a439c3cfdb28aa7e82e2e849c5c4dd9fca284 | ≥ 61d6ef3e3408cdf7e622646fb90a9f7f9560b943, < a2a9339e1c9deb7e1e079e12e27a0265aea8421a | 3.5

References (8)