CVE-2026-31651

EUVD-2026-25544
In the Linux kernel, the following vulnerability has been resolved:

mmc: vub300: fix NULL-deref on disconnect

Make sure to deregister the controller before dropping the reference to
the driver data on disconnect to avoid NULL-pointer dereferences or
use-after-free.
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: 3%
Affected Products (NVD)
VendorProductVersion
linuxlinux_kernel
3.0.1 ≤
𝑥
< 5.10.253
linuxlinux_kernel
5.11 ≤
𝑥
< 5.15.203
linuxlinux_kernel
5.16 ≤
𝑥
< 6.1.169
linuxlinux_kernel
6.2 ≤
𝑥
< 6.6.135
linuxlinux_kernel
6.7 ≤
𝑥
< 6.12.82
linuxlinux_kernel
6.13 ≤
𝑥
< 6.18.23
linuxlinux_kernel
6.19 ≤
𝑥
< 6.19.13
linuxlinux_kernel
3.0
linuxlinux_kernel
7.0:rc1
linuxlinux_kernel
7.0:rc2
linuxlinux_kernel
7.0:rc3
linuxlinux_kernel
7.0:rc4
linuxlinux_kernel
7.0:rc5
linuxlinux_kernel
7.0:rc6
linuxlinux_kernel
7.0:rc7
𝑥
= Vulnerable software versions
Azure Linux logo
Azure Linux Releases
Azure Package
Release
kernel
Azure Linux 3.0
0:6.6.137.1-1.azl3
fixed
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://git.kernel.org/stable/c/517b58e1d067115f80d198feee10192da4c424d0
https://git.kernel.org/stable/c/53f2642d77ab5f1f303388bff5500363c6cf962c
https://git.kernel.org/stable/c/6446516e626ce7c44bdadbcbb3d7677a2c52ce93
https://git.kernel.org/stable/c/6468cab1173f44f7a4b7a05ce8abfdfd1ce1557a
https://git.kernel.org/stable/c/8d09e75759cb2afc0732acfb5a14a93c03805a61
https://git.kernel.org/stable/c/ba3b9429de94958dc0060d9816a915dd75c34919
https://git.kernel.org/stable/c/c83a282615d8f7ba28cebddd54600b419d562d82
https://git.kernel.org/stable/c/dff34ef879c5e73298443956a8b391311ba78d57