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DEBIAN-CVE-2023-53827

DEBIAN-CVE-2023-53827 PUBLISHED CVSS 9.300000190734863 CRITICAL

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.

Risk Scores

CVSS v4.0
9.300000190734863
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Affected Products

VendorProductVersions
Debian:12linux0, 0, 0
Debian:13linux0, 0, 0
Debian:11linux*, 5.10.46-5, 5.10.84-1
Debian:14linux0, 0, 0

Timeline

  • Dec 9, 2025 CVE Published
  • Apr 28, 2026 CVE Updated
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