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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.

PUBLISHED Reserved 2026-01-13 | Published 2026-02-04 | Updated 2026-02-09 | Assigner Linux

Product status

Default status
unaffected

0626e6641f6b467447c81dd7678a69c66f7746cf (git) before f569f5b8bfd5133defdf9c7f8a72c63aa11f54ec
affected

0626e6641f6b467447c81dd7678a69c66f7746cf (git) before 6ececffd3e9fe93a87738625dc0671165d27bf96
affected

0626e6641f6b467447c81dd7678a69c66f7746cf (git) before 4d1e9a4a450aae47277763562122cc80ed703ab2
affected

0626e6641f6b467447c81dd7678a69c66f7746cf (git) before 70ba85e439221a5d6dda34a3004db6640f0525e6
affected

0626e6641f6b467447c81dd7678a69c66f7746cf (git) before d1943bc9dc9508f5933788a76f8a35d10e43a646
affected

0626e6641f6b467447c81dd7678a69c66f7746cf (git) before 98e3e2b561bc88f4dd218d1c05890672874692f6
affected

Default status
affected

5.15
affected

Any version before 5.15
unaffected

5.15.199 (semver)
unaffected

6.1.162 (semver)
unaffected

6.6.123 (semver)
unaffected

6.12.69 (semver)
unaffected

6.18.8 (semver)
unaffected

6.19 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/f569f5b8bfd5133defdf9c7f8a72c63aa11f54ec

git.kernel.org/...c/6ececffd3e9fe93a87738625dc0671165d27bf96

git.kernel.org/...c/4d1e9a4a450aae47277763562122cc80ed703ab2

git.kernel.org/...c/70ba85e439221a5d6dda34a3004db6640f0525e6

git.kernel.org/...c/d1943bc9dc9508f5933788a76f8a35d10e43a646

git.kernel.org/...c/98e3e2b561bc88f4dd218d1c05890672874692f6

cve.org (CVE-2026-23093)

nvd.nist.gov (CVE-2026-23093)

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