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CVE-2026-68385

9.8 critical SSVC exploitation: none Published
NVD · CVE.org

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().

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 3

  1. StatusReceived → PublishedNVD modified 2026-10-19 21:09
  2. CwesCWE-476NVD modified 2026-10-19 22:17
  3. First seenCVSS 9.8NVD modified 2026-10-16 16:19

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 4