Bug 2436775 (CVE-2026-23093) - CVE-2026-23093 kernel: ksmbd: smbd: fix dma_unmap_sg() nents
Summary: CVE-2026-23093 kernel: ksmbd: smbd: fix dma_unmap_sg() nents
Keywords:
Status: NEW
Alias: CVE-2026-23093
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
unspecified
unspecified
Target Milestone: ---
Assignee: Product Security DevOps Team
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Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-02-04 17:02 UTC by OSIDB Bzimport
Modified: 2026-02-05 00:23 UTC (History)
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Description OSIDB Bzimport 2026-02-04 17:02:47 UTC 
In the Linux kernel, the following vulnerability has been resolved:

ksmbd: smbd: fix dma_unmap_sg() nents

The dma_unmap_sg() functions should be called with the same nents as the
dma_map_sg(), not the value the map function returned.
Comment 1 Jon Moroney 2026-02-05 00:19:25 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026020426-CVE-2026-23093-db0d@gregkh/T
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