CVE-2026-23093

EUVD-2026-5449
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 7%
Affected Products (NVD)
VendorProductVersion
linuxlinux_kernel
5.15 ≤
𝑥
< 5.15.199
linuxlinux_kernel
5.16 ≤
𝑥
< 6.1.162
linuxlinux_kernel
6.2 ≤
𝑥
< 6.6.123
linuxlinux_kernel
6.7 ≤
𝑥
< 6.12.69
linuxlinux_kernel
6.13 ≤
𝑥
< 6.18.8
linuxlinux_kernel
6.19:rc1
linuxlinux_kernel
6.19:rc2
linuxlinux_kernel
6.19:rc3
linuxlinux_kernel
6.19:rc4
linuxlinux_kernel
6.19:rc5
linuxlinux_kernel
6.19:rc6
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bookworm
6.1.170-3
fixed
bookworm (security)
6.1.172-1
fixed
bullseye
5.10.223-1
fixed
bullseye (security)
5.10.251-5
fixed
forky
7.0.7-1
fixed
sid
7.0.7-1
fixed
trixie
6.12.86-1
fixed
trixie (security)
6.12.88-1
fixed
linux-6.1
bullseye (security)
6.1.172-1~deb11u1
fixed
References
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