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CVE-2025-40057

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CVE-2025-40057

Published: Oct 28, 2025

Modified: May 11, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: ptp: Add a upper bound on max_vclocks syzbot reported WARNING in max_vclocks_store. 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

VendorProductVersions

Linux

Linux

affected
73f37068d540eba5f93ba3a0019bf479d35ebd76 - < 8dd446056336faa2283d62cefc2f576536845edc
affected
73f37068d540eba5f93ba3a0019bf479d35ebd76 - < 35ce5f163889dbce88eda1df661b357a09bbed87
affected
73f37068d540eba5f93ba3a0019bf479d35ebd76 - < e9f35294e18da82162004a2f35976e7031aaf7f9

Linux

Linux

affected
5.14
unaffected
0 - < 5.14
unaffected
6.12.53 - <= 6.12.*
unaffected
6.17.3 - <= 6.17.*
unaffected
6.18 - <= *

References

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