CVE-2026-23093
Not scored
ksmbd: smbd: fix dma_unmap_sg() nents
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.
Exploit probability
0.1%
Published
February 4, 2026
Required by
Not available
Last source change
August 12, 2026
02 / AFFECTED SOFTWARE
Affected packages
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2026-23093
View original source
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.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/4d1e9a4a450aae47277763562122cc80ed703ab2
- https://git.kernel.org/stable/c/6ececffd3e9fe93a87738625dc0671165d27bf96
- https://git.kernel.org/stable/c/70ba85e439221a5d6dda34a3004db6640f0525e6
- https://git.kernel.org/stable/c/98e3e2b561bc88f4dd218d1c05890672874692f6
- https://git.kernel.org/stable/c/d1943bc9dc9508f5933788a76f8a35d10e43a646
- https://git.kernel.org/stable/c/f569f5b8bfd5133defdf9c7f8a72c63aa11f54ec
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23093.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-23093