CVE-2025-21937 - Vulnerability Details

Vendors	Products
Linux	Linux Kernel

Link	Providers
https://git.kernel.org/stable/c/37785a01040cb5d11ed0ddbcbf78491fcd073161
https://git.kernel.org/stable/c/69fb168b88e4d62cb31cdd725b67ccc5216cfcaf
https://git.kernel.org/stable/c/88310caff68ae69d0574859f7926a59c1da2d60b
https://git.kernel.org/stable/c/c5845c73cbacf5704169283ef29ca02031a36564
https://git.kernel.org/stable/c/f2176a07e7b19f73e05c805cf3d130a2999154cb
https://lore.kernel.org/linux-cve-announce/2025040134-CVE-2025-21937-90a8@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2025-21937
https://www.cve.org/CVERecord?id=CVE-2025-21937

Type	Values Removed	Values Added
First Time appeared		Linux Linux linux Kernel
Weaknesses		CWE-476
CPEs		cpe:2.3:o:linux:linux_kernel:::::::: cpe:2.3:o:linux:linux_kernel:6.14:rc1:::::: cpe:2.3:o:linux:linux_kernel:6.14:rc2:::::: cpe:2.3:o:linux:linux_kernel:6.14:rc3:::::: cpe:2.3:o:linux:linux_kernel:6.14:rc4:::::: cpe:2.3:o:linux:linux_kernel:6.14:rc5::::::
Vendors & Products		Linux Linux linux Kernel

Type	Values Removed	Values Added
References		https://lore.kernel.org/linux-cve-announce/2025040134-CVE-2025-21937-90a8@gregkh/T https://nvd.nist.gov/vuln/detail/CVE-2025-21937 https://www.cve.org/CVERecord?id=CVE-2025-21937
Metrics	threat_severity `None`	cvssV3_1 `{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}` threat_severity `Low`

Type	Values Removed	Values Added
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.
Title		Bluetooth: Add check for mgmt_alloc_skb() in mgmt_remote_name()
References		https://git.kernel.org/stable/c/37785a01040cb5d11ed0ddbcbf78491fcd073161 https://git.kernel.org/stable/c/69fb168b88e4d62cb31cdd725b67ccc5216cfcaf https://git.kernel.org/stable/c/88310caff68ae69d0574859f7926a59c1da2d60b https://git.kernel.org/stable/c/c5845c73cbacf5704169283ef29ca02031a36564 https://git.kernel.org/stable/c/f2176a07e7b19f73e05c805cf3d130a2999154cb

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source : 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (string)

tags : [ »

0 : Patch (string)

]

url : https://git.kernel.org/stable/c/69fb168b88e4d62cb31cdd725b67ccc5216cfcaf (string)

}

2 : { »

source : 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (string)

tags : [ »

0 : Patch (string)

]

url : https://git.kernel.org/stable/c/88310caff68ae69d0574859f7926a59c1da2d60b (string)

}

3 : { »

source : 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (string)

tags : [ »

0 : Patch (string)

]

url : https://git.kernel.org/stable/c/c5845c73cbacf5704169283ef29ca02031a36564 (string)

}

4 : { »

source : 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (string)

tags : [ »

0 : Patch (string)

]

url : https://git.kernel.org/stable/c/f2176a07e7b19f73e05c805cf3d130a2999154cb (string)

}

]

sourceIdentifier : 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (string)

vulnStatus : Analyzed (string)

weaknesses : [ »

0 : { »

description : [ »

0 : { »

lang : en (string)

value : CWE-476 (string)

}

]

source : nvd@nist.gov (string)

type : Primary (string)

}

]

}

Show plain JSON

{"bugzilla": {"description": "kernel: Bluetooth: Add check for mgmt_alloc_skb() in mgmt_remote_name()", "id": "2356589", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2356589"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nBluetooth: Add check for mgmt_alloc_skb() in mgmt_remote_name()\nAdd check for the return value of mgmt_alloc_skb() in\nmgmt_remote_name() to prevent null pointer dereference."], "name": "CVE-2025-21937", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-04-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-21937\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-21937\nhttps://lore.kernel.org/linux-cve-announce/2025040134-CVE-2025-21937-90a8@gregkh/T"], "threat_severity": "Low"}

{

bugzilla : { »

description : kernel: Bluetooth: Add check for mgmt_alloc_skb() in mgmt_remote_name() (string)

id : 2356589 (string)

url : https://bugzilla.redhat.com/show_bug.cgi?id=2356589 (string)

}

csaw : false (boolean)

cvss3 : { »

cvss3_base_score : 5.5 (string)

cvss3_scoring_vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H (string)

status : draft (string)

}

cwe : CWE-476 (string)

details : [ »

0 : 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. (string)

]

name : CVE-2025-21937 (string)

package_state : [ »

0 : { »

cpe : cpe:/o:redhat:enterprise_linux:6 (string)

fix_state : Not affected (string)

package_name : kernel (string)

product_name : Red Hat Enterprise Linux 6 (string)

}

1 : { »

cpe : cpe:/o:redhat:enterprise_linux:7 (string)

fix_state : Out of support scope (string)

package_name : kernel (string)

product_name : Red Hat Enterprise Linux 7 (string)

}

2 : { »

cpe : cpe:/o:redhat:enterprise_linux:7 (string)

fix_state : Out of support scope (string)

package_name : kernel-rt (string)

product_name : Red Hat Enterprise Linux 7 (string)

}

3 : { »

cpe : cpe:/o:redhat:enterprise_linux:8 (string)

fix_state : Not affected (string)

package_name : kernel (string)

product_name : Red Hat Enterprise Linux 8 (string)

}

4 : { »

cpe : cpe:/o:redhat:enterprise_linux:8 (string)

fix_state : Not affected (string)

package_name : kernel-rt (string)

product_name : Red Hat Enterprise Linux 8 (string)

}

5 : { »

cpe : cpe:/o:redhat:enterprise_linux:9 (string)

fix_state : Fix deferred (string)

package_name : kernel (string)

product_name : Red Hat Enterprise Linux 9 (string)

}

6 : { »

cpe : cpe:/o:redhat:enterprise_linux:9 (string)

fix_state : Fix deferred (string)

package_name : kernel-rt (string)

product_name : Red Hat Enterprise Linux 9 (string)

}

]

public_date : 2025-04-01T00:00:00Z (string)

references : [ »

0 : https://www.cve.org/CVERecord?id=CVE-2025-21937 https://nvd.nist.gov/vuln/detail/CVE-2025-21937 https://lore.kernel.org/linux-cve-announce/2025040134-CVE-2025-21937-90a8@gregkh/T (string)

]

threat_severity : Low (string)

}

Metrics

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

Affected Vendors & Products

Metrics

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

Affected Vendors & Products

JSON object

JSON object

JSON object

JSON object