CVE-2025-21937NULL Pointer Dereference in Linux

Severity
5.5MEDIUMNVD
OSV5.9OSV4.7
EPSS
0.1%
top 76.27%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedApr 1
Latest updateOct 15

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages8 packages

Patches

🔴Vulnerability Details

20
OSV
linux-oracle-6.8 vulnerabilities2025-10-15
OSV
linux-azure-nvidia vulnerabilities2025-10-08
OSV
linux-oracle vulnerabilities2025-10-06
OSV
linux-azure, linux-azure-6.8 vulnerabilities2025-10-02
OSV
linux-raspi-realtime vulnerabilities2025-10-02

📋Vendor Advisories

21
Ubuntu
Linux kernel (Oracle) vulnerabilities2025-10-15
Ubuntu
Linux kernel (Azure, N-Series) vulnerabilities2025-10-08
Ubuntu
Linux kernel (Oracle) vulnerabilities2025-10-06
Ubuntu
Linux kernel (Raspberry Pi Real-time) vulnerabilities2025-10-02
Ubuntu
Linux kernel (HWE) vulnerabilities2025-10-02
CVE-2025-21937 — NULL Pointer Dereference in Linux | cvebase