UNKNOWN NVD
CVE-2026-68385
In the Linux kernel, the following vulnerability has been resolved: s390/checksum: Fix csum_partial() without vector facility Currently csum_partial() calls c
In the Linux kernel, the following vulnerability has been resolved:
s390/checksum: Fix csum_partial() without vector facility
Currently csum_partial() calls csum_copy() with copy=false and dst=NULL.
On machines without the vector facility, csum_copy() falls back to
cksm(dst, ...), causing the checksum to be calculated from address zero
instead of the source buffer.
The VX implementation already checksums data loaded from src. Make the
fallback do the same by passing src to cksm().
References
- https://git.kernel.org/stable/c/1d9a2f01b3c4e5c88e06b2db4b5460c2ec884722
- https://git.kernel.org/stable/c/4bb06b60d982355e22647b3d12d6619419f8c1fa
- https://git.kernel.org/stable/c/5fc0a2a6eeb99cac991242bb48796c7749ce3261
- https://git.kernel.org/stable/c/898bb2814f38399108bdd2113f38d97383a7036a
This unknown severity vulnerability was published on 2026-08-10 via NVD.
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