CVE-2025-40057

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Source
https://cve.org/CVERecord?id=CVE-2025-40057
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-40057.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2025-40057
Downstream
Related
Published
2025-10-28T11:48:30.947Z
Modified
2026-03-20T12:43:09.722224Z
Summary
ptp: Add a upper bound on max_vclocks
Details

In the Linux kernel, the following vulnerability has been resolved:

ptp: Add a upper bound on max_vclocks

syzbot reported WARNING in maxvclocksstore.

This occurs when the argument max is too large for kcalloc to handle.

Extend the guard to guard against values that are too large for kcalloc

Database specific 
{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/40xxx/CVE-2025-40057.json"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
73f37068d540eba5f93ba3a0019bf479d35ebd76
Fixed
8dd446056336faa2283d62cefc2f576536845edc
Fixed
35ce5f163889dbce88eda1df661b357a09bbed87
Fixed
e9f35294e18da82162004a2f35976e7031aaf7f9

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-40057.json"

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
5.14.0
Fixed
6.12.53
Type
ECOSYSTEM
Events
Introduced
6.13.0
Fixed
6.17.3

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-40057.json"