CVE-2026-23093

Summary

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux0626e6641f6b467447c81dd7678a69c66f7746cf < f569f5b8bfd5133defdf9c7f8a72c63aa11f54ecaffected
LinuxLinux0626e6641f6b467447c81dd7678a69c66f7746cf < 6ececffd3e9fe93a87738625dc0671165d27bf96affected
LinuxLinux0626e6641f6b467447c81dd7678a69c66f7746cf < 4d1e9a4a450aae47277763562122cc80ed703ab2affected
LinuxLinux0626e6641f6b467447c81dd7678a69c66f7746cf < 70ba85e439221a5d6dda34a3004db6640f0525e6affected
LinuxLinux0626e6641f6b467447c81dd7678a69c66f7746cf < d1943bc9dc9508f5933788a76f8a35d10e43a646affected
LinuxLinux0626e6641f6b467447c81dd7678a69c66f7746cf < 98e3e2b561bc88f4dd218d1c05890672874692f6affected
LinuxLinux5.15affected
LinuxLinux0 < 5.15unaffected
LinuxLinux5.15.199 <= 5.15.*unaffected
LinuxLinux6.1.162 <= 6.1.*unaffected
LinuxLinux6.6.123 <= 6.6.*unaffected
LinuxLinux6.12.69 <= 6.12.*unaffected
LinuxLinux6.18.8 <= 6.18.*unaffected
LinuxLinux6.19 <= *unaffected

Weaknesses

References