Vulnerability · Published Apr 1, 2025 · Assigned by Linux
CVE-2025-21937Bluetooth: Add check for mgmt_alloc_skb() in mgmt_remote_name()
Medium 5.5
In plain English
A medium-severity null pointer dereference 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 11% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.2%top 89.0% 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: Add check for mgmt_alloc_skb() in mgmt_remote_name() Add check for the return value of mgmt_alloc_skb() in mgmt_remote_name() to prevent null pointer dereference.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 6.1.133-1 | DEBIAN-CVE-2025-21937 |
| Debian:13 | linux | 6.12.19-1 | DEBIAN-CVE-2025-21937 |
| Debian:14 | linux | 6.12.19-1 | DEBIAN-CVE-2025-21937 |
| Ubuntu:24.04:LTS | linux | 6.8.0-84.84 | USN-7764-1 |
| Ubuntu:24.04:LTS | linux | 6.8.0-84.84 | UBUNTU-CVE-2025-21937 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2025-21937 |
| Ubuntu:24.04:LTS | linux-aws | 6.8.0-1039.41 | UBUNTU-CVE-2025-21937 |
| Ubuntu:24.04:LTS | linux-aws | 6.8.0-1039.41 | USN-7764-1 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2025-21937 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | no fix listed | UBUNTU-CVE-2025-21937 |
| Ubuntu:22.04:LTS | linux-aws-6.5 | no fix listed | UBUNTU-CVE-2025-21937 |
| Ubuntu:22.04:LTS | linux-aws-6.8 | 6.8.0-1039.41~22.04.1 | USN-7766-1 |
| Ubuntu:22.04:LTS | linux-aws-6.8 | 6.8.0-1039.41~22.04.1 | UBUNTU-CVE-2025-21937 |
| Ubuntu:24.04:LTS | linux-azure | 6.8.0-1038.44 | USN-7802-1 |
| Ubuntu:24.04:LTS | linux-azure | 6.8.0-1038.44 | UBUNTU-CVE-2025-21937 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2025-21937 |
| Ubuntu:24.04:LTS | linux-azure-6.11 | 6.11.0-1018.18~24.04.1 | UBUNTU-CVE-2025-21937 |
| Ubuntu:24.04:LTS | linux-azure-6.11 | 6.11.0-1018.18~24.04.1 | USN-7628-1 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | no fix listed | UBUNTU-CVE-2025-21937 |
| Ubuntu:22.04:LTS | linux-azure-6.5 | no fix listed | UBUNTU-CVE-2025-21937 |
| Ubuntu:22.04:LTS | linux-azure-6.8 | 6.8.0-1036.42~22.04.1 | UBUNTU-CVE-2025-21937 |
| Ubuntu:22.04:LTS | linux-azure-6.8 | 6.8.0-1036.42~22.04.1 | USN-7802-1 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2025-21937 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | no fix listed | UBUNTU-CVE-2025-21937 |
| Ubuntu:24.04:LTS | linux-azure-nvidia | 6.8.0-1025.27 | USN-7809-1 |
| Ubuntu:24.04:LTS | linux-azure-nvidia | 6.8.0-1025.27 | UBUNTU-CVE-2025-21937 |
| Ubuntu:24.04:LTS | linux-gcp | 6.8.0-1040.42 | USN-7764-1 |
| Ubuntu:24.04:LTS | linux-gcp | 6.8.0-1040.42 | UBUNTU-CVE-2025-21937 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2025-21937 |
| Ubuntu:24.04:LTS | linux-gcp-6.11 | 6.11.0-1016.16~24.04.1 | USN-7605-1 |
| Ubuntu:24.04:LTS | linux-gcp-6.11 | 6.11.0-1016.16~24.04.1 | UBUNTU-CVE-2025-21937 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | no fix listed | UBUNTU-CVE-2025-21937 |
| Ubuntu:22.04:LTS | linux-gcp-6.5 | no fix listed | UBUNTU-CVE-2025-21937 |
| Ubuntu:22.04:LTS | linux-gcp-6.8 | 6.8.0-1040.42~22.04.1 | USN-7766-1 |
| Ubuntu:22.04:LTS | linux-gcp-6.8 | 6.8.0-1040.42~22.04.1 | UBUNTU-CVE-2025-21937 |
| Ubuntu:24.04:LTS | linux-gke | 6.8.0-1036.40 | UBUNTU-CVE-2025-21937 |
| Ubuntu:24.04:LTS | linux-gke | 6.8.0-1036.40 | USN-7764-1 |
| Ubuntu:24.04:LTS | linux-gkeop | 6.8.0-1023.25 | USN-7764-1 |
| Ubuntu:24.04:LTS | linux-gkeop | 6.8.0-1023.25 | UBUNTU-CVE-2025-21937 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2025-21937 |
| Ubuntu:24.04:LTS | linux-hwe-6.11 | 6.11.0-28.28~24.04.1 | USN-7605-1 |
| Ubuntu:24.04:LTS | linux-hwe-6.11 | 6.11.0-28.28~24.04.1 | UBUNTU-CVE-2025-21937 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | no fix listed | UBUNTU-CVE-2025-21937 |
| Ubuntu:22.04:LTS | linux-hwe-6.5 | no fix listed | UBUNTU-CVE-2025-21937 |
| Ubuntu:22.04:LTS | linux-hwe-6.8 | 6.8.0-85.85~22.04.1 | UBUNTU-CVE-2025-21937 |
| Ubuntu:22.04:LTS | linux-hwe-6.8 | 6.8.0-84.84~22.04.1 | USN-7764-2 |
| Ubuntu:22.04:LTS | linux-hwe-6.8 | 6.8.0-85.85~22.04.1 | USN-7801-1 |
| Ubuntu:24.04:LTS | linux-ibm | 6.8.0-1037.37 | USN-7779-1 |
| Ubuntu:24.04:LTS | linux-ibm | 6.8.0-1037.37 | UBUNTU-CVE-2025-21937 |
| Ubuntu:22.04:LTS | linux-ibm-6.8 | 6.8.0-1037.37~22.04.1 | UBUNTU-CVE-2025-21937 |
| Ubuntu:22.04:LTS | linux-ibm-6.8 | 6.8.0-1037.37~22.04.1 | USN-7779-1 |
| Ubuntu:24.04:LTS | linux-intel | no fix listed | UBUNTU-CVE-2025-21937 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2025-21937 |
| Ubuntu:24.04:LTS | linux-lowlatency | 6.8.0-84.84.1 | UBUNTU-CVE-2025-21937 |
| Ubuntu:24.04:LTS | linux-lowlatency | 6.8.0-84.84.1 | USN-7764-1 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2025-21937 |
| Ubuntu:24.04:LTS | linux-lowlatency-hwe-6.11 | 6.11.0-1015.16~24.04.2 | UBUNTU-CVE-2025-21937 |
| Ubuntu:24.04:LTS | linux-lowlatency-hwe-6.11 | 6.11.0-1015.16~24.04.2 | USN-7605-2 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | no fix listed | UBUNTU-CVE-2025-21937 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.5 | no fix listed | UBUNTU-CVE-2025-21937 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.8 | 6.8.0-84.84.1~22.04.1 | USN-7764-1 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.8 | 6.8.0-84.84.1~22.04.1 | UBUNTU-CVE-2025-21937 |
| Ubuntu:24.04:LTS | linux-nvidia | 6.8.0-1039.42 | USN-7765-1 |
| Ubuntu:24.04:LTS | linux-nvidia | 6.8.0-1039.42 | UBUNTU-CVE-2025-21937 |
| Ubuntu:24.04:LTS | linux-nvidia-6.11 | 6.11.0-1012.12 | UBUNTU-CVE-2025-21937 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | no fix listed | UBUNTU-CVE-2025-21937 |
| Ubuntu:22.04:LTS | linux-nvidia-6.5 | no fix listed | UBUNTU-CVE-2025-21937 |
| Ubuntu:22.04:LTS | linux-nvidia-6.8 | 6.8.0-1039.42~22.04.1 | UBUNTU-CVE-2025-21937 |
| Ubuntu:22.04:LTS | linux-nvidia-6.8 | 6.8.0-1039.42~22.04.1 | USN-7765-1 |
| Ubuntu:24.04:LTS | linux-nvidia-lowlatency | 6.8.0-1039.42.1 | USN-7765-1 |
| Ubuntu:24.04:LTS | linux-nvidia-lowlatency | 6.8.0-1039.42.1 | UBUNTU-CVE-2025-21937 |
| Ubuntu:24.04:LTS | linux-nvidia-tegra | 6.8.0-1010.10 | UBUNTU-CVE-2025-21937 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2025-21937 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2025-21937 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | no fix listed | UBUNTU-CVE-2025-21937 |
| Ubuntu:24.04:LTS | linux-oem-6.11 | 6.11.0-1024.24 | USN-7606-1 |
| Ubuntu:24.04:LTS | linux-oem-6.11 | 6.11.0-1024.24 | UBUNTU-CVE-2025-21937 |
| Ubuntu:22.04:LTS | linux-oem-6.5 | no fix listed | UBUNTU-CVE-2025-21937 |
| Ubuntu:24.04:LTS | linux-oem-6.8 | no fix listed | UBUNTU-CVE-2025-21937 |
| Ubuntu:24.04:LTS | linux-oracle | 6.8.0-1037.38 | UBUNTU-CVE-2025-21937 |
| Ubuntu:24.04:LTS | linux-oracle | 6.8.0-1037.38 | USN-7801-2 |
| Ubuntu:22.04:LTS | linux-oracle-6.5 | no fix listed | UBUNTU-CVE-2025-21937 |
| Ubuntu:22.04:LTS | linux-oracle-6.8 | 6.8.0-1037.38~22.04.1 | UBUNTU-CVE-2025-21937 |
| Ubuntu:22.04:LTS | linux-oracle-6.8 | 6.8.0-1037.38~22.04.1 | USN-7801-3 |
| Ubuntu:24.04:LTS | linux-raspi | 6.8.0-1039.43 | USN-7790-1 |
| Ubuntu:24.04:LTS | linux-raspi | 6.8.0-1039.43 | UBUNTU-CVE-2025-21937 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2025-21937 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2025-21937 |
| Ubuntu:24.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2025-21937 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2025-21937 |
| Ubuntu:24.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2025-21937 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2025-21937 |
| Ubuntu:22.04:LTS | linux-riscv-6.5 | no fix listed | UBUNTU-CVE-2025-21937 |
| Ubuntu:22.04:LTS | linux-riscv-6.8 | 6.8.0-84.84~22.04.1 | UBUNTU-CVE-2025-21937 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2025-21937 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | no fix listed | UBUNTU-CVE-2025-21937 |
| Ubuntu:22.04:LTS | linux-starfive-6.5 | no fix listed | UBUNTU-CVE-2025-21937 |
| Ubuntu:24.04:LTS | linux-xilinx | 6.8.0-1018.19 | UBUNTU-CVE-2025-21937 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | ba17bb62ce415950753c19d16bb43b2bd3701158 – before 37785a01040cb5d11ed0ddbcbf78491fcd073161ba17bb62ce415950753c19d16bb43b2bd3701158 – before c5845c73cbacf5704169283ef29ca02031a36564ba17bb62ce415950753c19d16bb43b2bd3701158 – before 88310caff68ae69d0574859f7926a59c1da2d60bba17bb62ce415950753c19d16bb43b2bd3701158 – before 69fb168b88e4d62cb31cdd725b67ccc5216cfcafba17bb62ce415950753c19d16bb43b2bd3701158 – before f2176a07e7b19f73e05c805cf3d130a2999154cb0f526a6d3e9347d94c2c0b5292a3cb3b251150195.17.2 – before 5.18 |
| Linux | Linux | 5.18 |
Weakness: CWE-476 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
References
- https://git.kernel.org/stable/c/37785a01040cb5d11ed0ddbcbf78491fcd073161
- https://git.kernel.org/stable/c/c5845c73cbacf5704169283ef29ca02031a36564
- https://git.kernel.org/stable/c/88310caff68ae69d0574859f7926a59c1da2d60b
- https://git.kernel.org/stable/c/69fb168b88e4d62cb31cdd725b67ccc5216cfcaf
- https://git.kernel.org/stable/c/f2176a07e7b19f73e05c805cf3d130a2999154cb
- https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html