Unrated severityNVD Advisory· Published Feb 4, 2026· Updated Feb 9, 2026
ksmbd: smbd: fix dma_unmap_sg() nents
CVE-2026-23093
Description
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.
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Affected products
2Patches
Vulnerability mechanics
References
6- git.kernel.org/stable/c/4d1e9a4a450aae47277763562122cc80ed703ab2mitre
- git.kernel.org/stable/c/6ececffd3e9fe93a87738625dc0671165d27bf96mitre
- git.kernel.org/stable/c/70ba85e439221a5d6dda34a3004db6640f0525e6mitre
- git.kernel.org/stable/c/98e3e2b561bc88f4dd218d1c05890672874692f6mitre
- git.kernel.org/stable/c/d1943bc9dc9508f5933788a76f8a35d10e43a646mitre
- git.kernel.org/stable/c/f569f5b8bfd5133defdf9c7f8a72c63aa11f54ecmitre
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