Vulnerability · Published Sep 18, 2025 · Assigned by Linux
CVE-2023-53386Bluetooth: Fix potential use-after-free when clear keys
High 7.8
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 5% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.2%top 95.5% 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: Fix potential use-after-free when clear keys Similar to commit c5d2b6fa26b5 ("Bluetooth: Fix use-after-free in hci_remove_ltk/hci_remove_irk"). We can not access k after kfree_rcu() call.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | bpftool | 4.18.0-553.81.1.el8_10 | ALSA-2025:19102 |
| AlmaLinux:8 | kernel | 4.18.0-553.81.1.el8_10 | ALSA-2025:19102 |
| AlmaLinux:8 | kernel-abi-stablelists | 4.18.0-553.81.1.el8_10 | ALSA-2025:19102 |
| AlmaLinux:8 | kernel-core | 4.18.0-553.81.1.el8_10 | ALSA-2025:19102 |
| AlmaLinux:8 | kernel-cross-headers | 4.18.0-553.81.1.el8_10 | ALSA-2025:19102 |
| AlmaLinux:8 | kernel-debug | 4.18.0-553.81.1.el8_10 | ALSA-2025:19102 |
| AlmaLinux:8 | kernel-debug-core | 4.18.0-553.81.1.el8_10 | ALSA-2025:19102 |
| AlmaLinux:8 | kernel-debug-devel | 4.18.0-553.81.1.el8_10 | ALSA-2025:19102 |
| AlmaLinux:8 | kernel-debug-modules | 4.18.0-553.81.1.el8_10 | ALSA-2025:19102 |
| AlmaLinux:8 | kernel-debug-modules-extra | 4.18.0-553.81.1.el8_10 | ALSA-2025:19102 |
| AlmaLinux:8 | kernel-devel | 4.18.0-553.81.1.el8_10 | ALSA-2025:19102 |
| AlmaLinux:8 | kernel-doc | 4.18.0-553.81.1.el8_10 | ALSA-2025:19102 |
| AlmaLinux:8 | kernel-headers | 4.18.0-553.81.1.el8_10 | ALSA-2025:19102 |
| AlmaLinux:8 | kernel-modules | 4.18.0-553.81.1.el8_10 | ALSA-2025:19102 |
| AlmaLinux:8 | kernel-modules-extra | 4.18.0-553.81.1.el8_10 | ALSA-2025:19102 |
| AlmaLinux:8 | kernel-rt | 4.18.0-553.81.1.rt7.422.el8_10 | ALSA-2025:19103 |
| AlmaLinux:8 | kernel-rt-core | 4.18.0-553.81.1.rt7.422.el8_10 | ALSA-2025:19103 |
| AlmaLinux:8 | kernel-rt-debug | 4.18.0-553.81.1.rt7.422.el8_10 | ALSA-2025:19103 |
| AlmaLinux:8 | kernel-rt-debug-core | 4.18.0-553.81.1.rt7.422.el8_10 | ALSA-2025:19103 |
| AlmaLinux:8 | kernel-rt-debug-devel | 4.18.0-553.81.1.rt7.422.el8_10 | ALSA-2025:19103 |
| AlmaLinux:8 | kernel-rt-debug-modules | 4.18.0-553.81.1.rt7.422.el8_10 | ALSA-2025:19103 |
| AlmaLinux:8 | kernel-rt-debug-modules-extra | 4.18.0-553.81.1.rt7.422.el8_10 | ALSA-2025:19103 |
| AlmaLinux:8 | kernel-rt-devel | 4.18.0-553.81.1.rt7.422.el8_10 | ALSA-2025:19103 |
| AlmaLinux:8 | kernel-rt-modules | 4.18.0-553.81.1.rt7.422.el8_10 | ALSA-2025:19103 |
| AlmaLinux:8 | kernel-rt-modules-extra | 4.18.0-553.81.1.rt7.422.el8_10 | ALSA-2025:19103 |
| AlmaLinux:8 | kernel-tools | 4.18.0-553.81.1.el8_10 | ALSA-2025:19102 |
| AlmaLinux:8 | kernel-tools-libs | 4.18.0-553.81.1.el8_10 | ALSA-2025:19102 |
| AlmaLinux:8 | kernel-tools-libs-devel | 4.18.0-553.81.1.el8_10 | ALSA-2025:19102 |
| AlmaLinux:8 | kernel-zfcpdump | 4.18.0-553.81.1.el8_10 | ALSA-2025:19102 |
| AlmaLinux:8 | kernel-zfcpdump-core | 4.18.0-553.81.1.el8_10 | ALSA-2025:19102 |
| AlmaLinux:8 | kernel-zfcpdump-devel | 4.18.0-553.81.1.el8_10 | ALSA-2025:19102 |
| AlmaLinux:8 | kernel-zfcpdump-modules | 4.18.0-553.81.1.el8_10 | ALSA-2025:19102 |
| AlmaLinux:8 | kernel-zfcpdump-modules-extra | 4.18.0-553.81.1.el8_10 | ALSA-2025:19102 |
| AlmaLinux:8 | perf | 4.18.0-553.81.1.el8_10 | ALSA-2025:19102 |
| AlmaLinux:8 | python3-perf | 4.18.0-553.81.1.el8_10 | ALSA-2025:19102 |
| Debian:12 | linux | 6.1.55-1 | DEBIAN-CVE-2023-53386 |
| Debian:13 | linux | 6.5.3-1 | DEBIAN-CVE-2023-53386 |
| Debian:14 | linux | 6.5.3-1 | DEBIAN-CVE-2023-53386 |
| Rocky Linux:8 | kernel | 0:4.18.0-553.81.1.el8_10 | RLSA-2025:19102 |
| Rocky Linux:8 | kernel-rt | 0:4.18.0-553.81.1.rt7.422.el8_10 | RLSA-2025:19103 |
| Ubuntu:22.04:LTS | linux | 5.15.0-94.104 | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1053.58 | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-aws-6.5 | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1056.64 | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:24.04:LTS | linux-azure-6.11 | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-azure-6.5 | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1056.64.1 | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1051.59 | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:24.04:LTS | linux-gcp-6.11 | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-gcp-6.5 | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1050.55 | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1036.42 | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:24.04:LTS | linux-hwe-6.11 | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-hwe-6.5 | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1046.49 | UBUNTU-CVE-2023-53386 |
| Ubuntu:24.04:LTS | linux-intel | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1047.53 | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1050.55 | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-94.104 | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:24.04:LTS | linux-lowlatency-hwe-6.11 | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.5 | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1044.44 | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-nvidia-6.5 | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra | 5.15.0-1022.22 | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra-igx | 5.15.0-1009.9 | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:24.04:LTS | linux-oem-6.11 | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-oem-6.5 | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:24.04:LTS | linux-oem-6.8 | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1051.57 | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-oracle-6.5 | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1046.49 | UBUNTU-CVE-2023-53386 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:24.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:24.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-riscv-6.5 | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-starfive-6.5 | no fix listed | UBUNTU-CVE-2023-53386 |
| Ubuntu:22.04:LTS | linux-xilinx-zynqmp | 5.15.0-1027.31 | UBUNTU-CVE-2023-53386 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | d7d41682efc25d58b5bd8b80e85e3c9ce586635c – before e87da6a0ac6e631454e7da53a76aa9fe44aaa5ddd7d41682efc25d58b5bd8b80e85e3c9ce586635c – before 942d8cefb022f384d5424f8b90c7878f3f93726fd7d41682efc25d58b5bd8b80e85e3c9ce586635c – before 94617b736c25091b60e514e2e7aeafcbbee6b700d7d41682efc25d58b5bd8b80e85e3c9ce586635c – before da19f35868dfbecfff4f81166c054d2656cb1be4d7d41682efc25d58b5bd8b80e85e3c9ce586635c – before 35cc42f04bc49f0656f6840cb7451b3df6049649d7d41682efc25d58b5bd8b80e85e3c9ce586635c – before 3673952cf0c6cf81b06c66a0b788abeeb02ff3ae |
| Linux | Linux | 5.7 |
Weakness: CWE-416 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- https://git.kernel.org/stable/c/e87da6a0ac6e631454e7da53a76aa9fe44aaa5dd
- https://git.kernel.org/stable/c/942d8cefb022f384d5424f8b90c7878f3f93726f
- https://git.kernel.org/stable/c/94617b736c25091b60e514e2e7aeafcbbee6b700
- https://git.kernel.org/stable/c/da19f35868dfbecfff4f81166c054d2656cb1be4
- https://git.kernel.org/stable/c/35cc42f04bc49f0656f6840cb7451b3df6049649
- https://git.kernel.org/stable/c/3673952cf0c6cf81b06c66a0b788abeeb02ff3ae