CVE-2026-68385

A flaw was found in the Linux kernel's s390 architecture checksumming mechanism. On systems without a vector facility, the csumpartial function incorrectly calculates checksums. This occurs because the csumcopy function, when called with specific parameters, falls back to calculating the checksum...

CVE-2026-68385 s390/checksum: Fix csum_partial() without vector facility

In the Linux kernel, the following vulnerability has been resolved: s390/checksum: Fix csumpartial without vector facility Currently csumpartial calls csumcopy with copy=false and dst=NULL. On machines without the vector facility, csumcopy falls back to cksmdst, ..., causing the checksum to be...