CVE-2025-40056

Summary

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

vhost: vringh: Fix copy_to_iter return value check

The return value of copy_to_iter can't be negative, check whether the copied length is equal to the requested length instead of checking for negative values.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux309bba39c945ac8ab8083ac05cd6cfe5822968e0 < bd71e7e0a612740e4de5524880c7cd40293af5f7affected
LinuxLinux309bba39c945ac8ab8083ac05cd6cfe5822968e0 < 781226e11d5bdea0d69c7b5aa3cda874093c73b8affected
LinuxLinux309bba39c945ac8ab8083ac05cd6cfe5822968e0 < b3a950d236e98440c07405ba597b11bce56a8050affected
LinuxLinux309bba39c945ac8ab8083ac05cd6cfe5822968e0 < 68aac2b335d474b938d154b9c95cbc58838cb2ceaffected
LinuxLinux309bba39c945ac8ab8083ac05cd6cfe5822968e0 < 439263376c2c4e126cac0d07e4987568de4eaba5affected
LinuxLinux6.0affected
LinuxLinux0 < 6.0unaffected
LinuxLinux6.1.156 <= 6.1.*unaffected
LinuxLinux6.6.112 <= 6.6.*unaffected
LinuxLinux6.12.53 <= 6.12.*unaffected
LinuxLinux6.17.3 <= 6.17.*unaffected
LinuxLinux6.18 <= *unaffected

Weaknesses

References