9.8

CVE-2026-68385

s390/checksum: Fix csum_partial() without vector facility

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().
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
≫
Produkt Linux
Default Statusunaffected
Version dcd3e1de9d17dc43dfed87a9fc814b9dec508043
Version < 5fc0a2a6eeb99cac991242bb48796c7749ce3261
Status affected
Version dcd3e1de9d17dc43dfed87a9fc814b9dec508043
Version < 1d9a2f01b3c4e5c88e06b2db4b5460c2ec884722
Status affected
Version dcd3e1de9d17dc43dfed87a9fc814b9dec508043
Version < 898bb2814f38399108bdd2113f38d97383a7036a
Status affected
Version dcd3e1de9d17dc43dfed87a9fc814b9dec508043
Version < 4bb06b60d982355e22647b3d12d6619419f8c1fa
Status affected
HerstellerLinux
≫
Produkt Linux
Default Statusaffected
Version 6.9
Status affected
Version 0
Version < 6.9
Status unaffected
Version <= 6.12.*
Version 6.12.101
Status unaffected
Version <= 6.18.*
Version 6.18.42
Status unaffected
Version <= 7.1.*
Version 7.1.6
Status unaffected
Version <= *
Version 7.2
Status unaffected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.5% 0.403
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
416baaa9-dc9f-4396-8d5f-8c081fb06d67 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://git.kernel.org/stable/c/5fc0a2a6eeb99cac991242bb48796c7749ce3261
https://git.kernel.org/stable/c/1d9a2f01b3c4e5c88e06b2db4b5460c2ec884722
https://git.kernel.org/stable/c/898bb2814f38399108bdd2113f38d97383a7036a
https://git.kernel.org/stable/c/4bb06b60d982355e22647b3d12d6619419f8c1fa