Vulnerability · Published Sep 16, 2025 · Assigned by Linux
CVE-2023-53305Bluetooth: L2CAP: Fix use-after-free
High 8.8
In plain English
A high-severity use-after-free in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.2%top 85.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free Fix potential use-after-free in l2cap_le_command_rej.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | bpftool | 4.18.0-553.79.1.el8_10 | ALSA-2025:17797 |
| AlmaLinux:8 | kernel | 4.18.0-553.79.1.el8_10 | ALSA-2025:17797 |
| AlmaLinux:8 | kernel-abi-stablelists | 4.18.0-553.79.1.el8_10 | ALSA-2025:17797 |
| AlmaLinux:8 | kernel-core | 4.18.0-553.79.1.el8_10 | ALSA-2025:17797 |
| AlmaLinux:8 | kernel-cross-headers | 4.18.0-553.79.1.el8_10 | ALSA-2025:17797 |
| AlmaLinux:8 | kernel-debug | 4.18.0-553.79.1.el8_10 | ALSA-2025:17797 |
| AlmaLinux:8 | kernel-debug-core | 4.18.0-553.79.1.el8_10 | ALSA-2025:17797 |
| AlmaLinux:8 | kernel-debug-devel | 4.18.0-553.79.1.el8_10 | ALSA-2025:17797 |
| AlmaLinux:8 | kernel-debug-modules | 4.18.0-553.79.1.el8_10 | ALSA-2025:17797 |
| AlmaLinux:8 | kernel-debug-modules-extra | 4.18.0-553.79.1.el8_10 | ALSA-2025:17797 |
| AlmaLinux:8 | kernel-devel | 4.18.0-553.79.1.el8_10 | ALSA-2025:17797 |
| AlmaLinux:8 | kernel-doc | 4.18.0-553.79.1.el8_10 | ALSA-2025:17797 |
| AlmaLinux:8 | kernel-headers | 4.18.0-553.79.1.el8_10 | ALSA-2025:17797 |
| AlmaLinux:8 | kernel-modules | 4.18.0-553.79.1.el8_10 | ALSA-2025:17797 |
| AlmaLinux:8 | kernel-modules-extra | 4.18.0-553.79.1.el8_10 | ALSA-2025:17797 |
| AlmaLinux:8 | kernel-rt | 4.18.0-553.79.1.rt7.420.el8_10 | ALSA-2025:17812 |
| AlmaLinux:8 | kernel-rt-core | 4.18.0-553.79.1.rt7.420.el8_10 | ALSA-2025:17812 |
| AlmaLinux:8 | kernel-rt-debug | 4.18.0-553.79.1.rt7.420.el8_10 | ALSA-2025:17812 |
| AlmaLinux:8 | kernel-rt-debug-core | 4.18.0-553.79.1.rt7.420.el8_10 | ALSA-2025:17812 |
| AlmaLinux:8 | kernel-rt-debug-devel | 4.18.0-553.79.1.rt7.420.el8_10 | ALSA-2025:17812 |
| AlmaLinux:8 | kernel-rt-debug-modules | 4.18.0-553.79.1.rt7.420.el8_10 | ALSA-2025:17812 |
| AlmaLinux:8 | kernel-rt-debug-modules-extra | 4.18.0-553.79.1.rt7.420.el8_10 | ALSA-2025:17812 |
| AlmaLinux:8 | kernel-rt-devel | 4.18.0-553.79.1.rt7.420.el8_10 | ALSA-2025:17812 |
| AlmaLinux:8 | kernel-rt-modules | 4.18.0-553.79.1.rt7.420.el8_10 | ALSA-2025:17812 |
| AlmaLinux:8 | kernel-rt-modules-extra | 4.18.0-553.79.1.rt7.420.el8_10 | ALSA-2025:17812 |
| AlmaLinux:8 | kernel-tools | 4.18.0-553.79.1.el8_10 | ALSA-2025:17797 |
| AlmaLinux:8 | kernel-tools-libs | 4.18.0-553.79.1.el8_10 | ALSA-2025:17797 |
| AlmaLinux:8 | kernel-tools-libs-devel | 4.18.0-553.79.1.el8_10 | ALSA-2025:17797 |
| AlmaLinux:8 | kernel-zfcpdump | 4.18.0-553.79.1.el8_10 | ALSA-2025:17797 |
| AlmaLinux:8 | kernel-zfcpdump-core | 4.18.0-553.79.1.el8_10 | ALSA-2025:17797 |
| AlmaLinux:8 | kernel-zfcpdump-devel | 4.18.0-553.79.1.el8_10 | ALSA-2025:17797 |
| AlmaLinux:8 | kernel-zfcpdump-modules | 4.18.0-553.79.1.el8_10 | ALSA-2025:17797 |
| AlmaLinux:8 | kernel-zfcpdump-modules-extra | 4.18.0-553.79.1.el8_10 | ALSA-2025:17797 |
| AlmaLinux:8 | perf | 4.18.0-553.79.1.el8_10 | ALSA-2025:17797 |
| AlmaLinux:8 | python3-perf | 4.18.0-553.79.1.el8_10 | ALSA-2025:17797 |
| Debian:12 | linux | 6.1.52-1 | DEBIAN-CVE-2023-53305 |
| Debian:13 | linux | 6.4.13-1 | DEBIAN-CVE-2023-53305 |
| Debian:14 | linux | 6.4.13-1 | DEBIAN-CVE-2023-53305 |
| Rocky Linux:8 | kernel | 0:4.18.0-553.79.1.el8_10 | RLSA-2025:17797 |
| Rocky Linux:8 | kernel-rt | 0:4.18.0-553.79.1.rt7.420.el8_10 | RLSA-2025:17812 |
| Ubuntu:22.04:LTS | linux | 5.15.0-91.101 | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1051.56 | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-aws-6.5 | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1053.61 | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:24.04:LTS | linux-azure-6.11 | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-azure-6.5 | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1053.61.1 | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1048.56 | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:24.04:LTS | linux-gcp-6.11 | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-gcp-6.5 | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1048.53 | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1034.40 | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:24.04:LTS | linux-hwe-6.11 | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-hwe-6.5 | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1044.47 | UBUNTU-CVE-2023-53305 |
| Ubuntu:24.04:LTS | linux-intel | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1046.52 | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1048.53 | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-91.101 | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:24.04:LTS | linux-lowlatency-hwe-6.11 | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.5 | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1042.42 | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-nvidia-6.5 | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra | 5.15.0-1020.20 | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra-igx | 5.15.0-1007.7 | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:24.04:LTS | linux-oem-6.11 | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-oem-6.5 | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:24.04:LTS | linux-oem-6.8 | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1049.55 | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-oracle-6.5 | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1044.47 | UBUNTU-CVE-2023-53305 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:24.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:24.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-riscv-6.5 | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-starfive-6.5 | no fix listed | UBUNTU-CVE-2023-53305 |
| Ubuntu:22.04:LTS | linux-xilinx-zynqmp | 5.15.0-1027.31 | UBUNTU-CVE-2023-53305 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | 71fb419724fadab4efdf98210aa3fe053bd81d29 – before e76bab1b7afa580cd76362540fc37551ada4359b71fb419724fadab4efdf98210aa3fe053bd81d29 – before 1a40c56e8bff3e424724d78a9a6b3272dd8a371d71fb419724fadab4efdf98210aa3fe053bd81d29 – before fe49aa73cca6608714477b74bfc6874b9db979df71fb419724fadab4efdf98210aa3fe053bd81d29 – before 2958cf9f805b9f0bdc4a761bf6ea281eb8d44f8e71fb419724fadab4efdf98210aa3fe053bd81d29 – before 548a6b64b3c0688f01119a6fcccceb41f8c984e471fb419724fadab4efdf98210aa3fe053bd81d29 – before 149daab45922ab1ac7f0cbeacab7251a46bf5e6371fb419724fadab4efdf98210aa3fe053bd81d29 – before 255be68150291440657b2cdb09420b69441af3d871fb419724fadab4efdf98210aa3fe053bd81d29 – before f752a0b334bb95fe9b42ecb511e0864e2768046f |
| Linux | Linux | 3.14 |
Weakness: CWE-416 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- https://git.kernel.org/stable/c/e76bab1b7afa580cd76362540fc37551ada4359b
- https://git.kernel.org/stable/c/1a40c56e8bff3e424724d78a9a6b3272dd8a371d
- https://git.kernel.org/stable/c/fe49aa73cca6608714477b74bfc6874b9db979df
- https://git.kernel.org/stable/c/2958cf9f805b9f0bdc4a761bf6ea281eb8d44f8e
- https://git.kernel.org/stable/c/548a6b64b3c0688f01119a6fcccceb41f8c984e4
- https://git.kernel.org/stable/c/149daab45922ab1ac7f0cbeacab7251a46bf5e63
- https://git.kernel.org/stable/c/255be68150291440657b2cdb09420b69441af3d8
- https://git.kernel.org/stable/c/f752a0b334bb95fe9b42ecb511e0864e2768046f