CVE-2023-53648

EUVD-2025-31972
In the Linux kernel, the following vulnerability has been resolved:

ALSA: ac97: Fix possible NULL dereference in snd_ac97_mixer

smatch error:
sound/pci/ac97/ac97_codec.c:2354 snd_ac97_mixer() error:
we previously assumed 'rac97' could be null (see line 2072)

remove redundant assignment, return error if rac97 is NULL.
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: 9%
Affected Products (NVD)
VendorProductVersion
linuxlinux_kernel
2.6.28 ≤
𝑥
< 4.14.322
linuxlinux_kernel
4.15 ≤
𝑥
< 4.19.291
linuxlinux_kernel
4.20 ≤
𝑥
< 5.4.251
linuxlinux_kernel
5.5 ≤
𝑥
< 5.10.188
linuxlinux_kernel
5.11 ≤
𝑥
< 5.15.121
linuxlinux_kernel
5.16 ≤
𝑥
< 6.1.39
linuxlinux_kernel
6.2 ≤
𝑥
< 6.3.13
linuxlinux_kernel
6.4 ≤
𝑥
< 6.4.4
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bookworm
6.1.148-1
fixed
bookworm (security)
6.1.153-1
fixed
bullseye
5.10.223-1
fixed
bullseye (security)
5.10.237-1
fixed
forky
6.16.9-1
fixed
sid
6.16.11-1
fixed
trixie
6.12.43-1
fixed
trixie (security)
6.12.48-1
fixed
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
cluster-md-kmp-default
suse enterprise server 12 SP5
4.12.14-122.280.1
fixed
suse enterprise server 15 SP5
5.14.21-150500.55.127.1
fixed
dlm-kmp-default
suse enterprise server 12 SP5
4.12.14-122.280.1
fixed
suse enterprise server 15 SP5
5.14.21-150500.55.127.1
fixed
gfs2-kmp-default
suse enterprise server 12 SP5
4.12.14-122.280.1
fixed
suse enterprise server 15 SP5
5.14.21-150500.55.127.1
fixed
kernel-64kb
suse enterprise desktop 15 SP6
6.4.0-150600.23.78.1
fixed
suse enterprise desktop 15 SP7
6.4.0-150700.53.22.1
fixed
suse enterprise sap 15 SP6
6.4.0-150600.23.78.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.22.1
fixed
suse enterprise server 15 SP4
5.14.21-150400.24.184.1
fixed
suse enterprise server 15 SP5
5.14.21-150500.55.127.1
fixed
suse enterprise server 15 SP6
6.4.0-150600.23.78.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.22.1
fixed
kernel-azure
suse enterprise sap 15 SP6
6.4.0-150600.8.55.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.20.18.1
fixed
suse enterprise server 15 SP6
6.4.0-150600.8.55.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.20.18.1
fixed
kernel-default
suse enterprise desktop 15 SP6
6.4.0-150600.23.78.1
fixed
suse enterprise desktop 15 SP7
6.4.0-150700.53.22.1
fixed
suse enterprise sap 15 SP6
6.4.0-150600.23.78.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.22.1
fixed
suse enterprise server 12 SP5
4.12.14-122.280.1
fixed
suse enterprise server 15 SP4
5.14.21-150400.24.184.1
fixed
suse enterprise server 15 SP5
5.14.21-150500.55.127.1
fixed
suse enterprise server 15 SP6
6.4.0-150600.23.78.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.22.1
fixed
kernel-default-base
suse enterprise desktop 15 SP6
6.4.0-150600.23.78.1.150600.12.34.2
fixed
suse enterprise desktop 15 SP7
6.4.0-150700.53.22.1.150700.17.15.1
fixed
suse enterprise sap 15 SP6
6.4.0-150600.23.78.1.150600.12.34.2
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.22.1.150700.17.15.1
fixed
suse enterprise server 12 SP5
4.12.14-122.280.1
fixed
suse enterprise server 15 SP4
5.14.21-150400.24.184.1.150400.24.94.2
fixed
suse enterprise server 15 SP5
5.14.21-150500.55.127.1.150500.6.61.1
fixed
suse enterprise server 15 SP6
6.4.0-150600.23.78.1.150600.12.34.2
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.22.1.150700.17.15.1
fixed
kernel-default-man
suse enterprise server 12 SP5
4.12.14-122.280.1
fixed
kernel-obs-build
suse enterprise desktop 15 SP6
6.4.0-150600.23.78.1
fixed
suse enterprise desktop 15 SP7
6.4.0-150700.53.22.1
fixed
suse enterprise sap 15 SP6
6.4.0-150600.23.78.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.22.1
fixed
suse enterprise server 15 SP4
5.14.21-150400.24.184.1
fixed
suse enterprise server 15 SP5
5.14.21-150500.55.127.1
fixed
suse enterprise server 15 SP6
6.4.0-150600.23.78.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.22.1
fixed
kernel-source
suse enterprise desktop 15 SP6
6.4.0-150600.23.78.1
fixed
suse enterprise desktop 15 SP7
6.4.0-150700.53.22.1
fixed
suse enterprise sap 15 SP6
6.4.0-150600.23.78.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.22.1
fixed
suse enterprise server 12 SP5
4.12.14-122.280.1
fixed
suse enterprise server 15 SP4
5.14.21-150400.24.184.1
fixed
suse enterprise server 15 SP5
5.14.21-150500.55.127.1
fixed
suse enterprise server 15 SP6
6.4.0-150600.23.78.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.22.1
fixed
kernel-source-azure
suse enterprise sap 15 SP6
6.4.0-150600.8.55.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.20.18.1
fixed
suse enterprise server 15 SP6
6.4.0-150600.8.55.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.20.18.1
fixed
kernel-zfcpdump
suse enterprise desktop 15 SP6
6.4.0-150600.23.78.1
fixed
suse enterprise desktop 15 SP7
6.4.0-150700.53.22.1
fixed
suse enterprise sap 15 SP6
6.4.0-150600.23.78.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.22.1
fixed
suse enterprise server 15 SP4
5.14.21-150400.24.184.1
fixed
suse enterprise server 15 SP5
5.14.21-150500.55.127.1
fixed
suse enterprise server 15 SP6
6.4.0-150600.23.78.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.22.1
fixed
ocfs2-kmp-default
suse enterprise server 12 SP5
4.12.14-122.280.1
fixed
suse enterprise server 15 SP5
5.14.21-150500.55.127.1
fixed
reiserfs-kmp-default
suse enterprise server 15 SP4
5.14.21-150400.24.184.1
fixed
suse enterprise server 15 SP5
5.14.21-150500.55.127.1
fixed
Red Hat logo
Red Hat Enterprise Linux Releases
Red Hat Product
Release
bpftool
RHEL 8
0:4.18.0-553.el8_10
fixed
kernel
RHEL 8
0:4.18.0-553.el8_10
fixed
kernel-abi-stablelists
RHEL 8
0:4.18.0-553.el8_10
fixed
kernel-core
RHEL 8
0:4.18.0-553.el8_10
fixed
kernel-debug
RHEL 8
0:4.18.0-553.el8_10
fixed
kernel-debug-core
RHEL 8
0:4.18.0-553.el8_10
fixed
kernel-debug-devel
RHEL 8
0:4.18.0-553.el8_10
fixed
kernel-debug-modules
RHEL 8
0:4.18.0-553.el8_10
fixed
kernel-debug-modules-extra
RHEL 8
0:4.18.0-553.el8_10
fixed
kernel-devel
RHEL 8
0:4.18.0-553.el8_10
fixed
kernel-doc
RHEL 8
0:4.18.0-553.el8_10
fixed
kernel-modules
RHEL 8
0:4.18.0-553.el8_10
fixed
kernel-modules-extra
RHEL 8
0:4.18.0-553.el8_10
fixed
kernel-tools
RHEL 8
0:4.18.0-553.el8_10
fixed
kernel-tools-libs
RHEL 8
0:4.18.0-553.el8_10
fixed
kernel-tools-libs-devel
RHEL 8
0:4.18.0-553.el8_10
fixed
kernel-zfcpdump
RHEL 8
0:4.18.0-553.el8_10
fixed
kernel-zfcpdump-core
RHEL 8
0:4.18.0-553.el8_10
fixed
kernel-zfcpdump-devel
RHEL 8
0:4.18.0-553.el8_10
fixed
kernel-zfcpdump-modules
RHEL 8
0:4.18.0-553.el8_10
fixed
kernel-zfcpdump-modules-extra
RHEL 8
0:4.18.0-553.el8_10
fixed
perf
RHEL 8
0:4.18.0-553.el8_10
fixed
python3-perf
RHEL 8
0:4.18.0-553.el8_10
fixed
Common Weakness Enumeration
References
https://git.kernel.org/stable/c/09baf460dfba79ee6a0c72e68ccdbbba84d894df
https://git.kernel.org/stable/c/228da1fa124470606ac19783e551f9d51a1e01b0
https://git.kernel.org/stable/c/300e26e3e64880de5013eac8831cf44387ef752c
https://git.kernel.org/stable/c/5f13d67027fa782096e6aee0db5dce61c4aeb613
https://git.kernel.org/stable/c/79597c8bf64ca99eab385115743131d260339da5
https://git.kernel.org/stable/c/809af7bb4219bdeef0dbb8b2ed700d6516d13fe9
https://git.kernel.org/stable/c/d28b83252e150155b8b8c65b612c555e93c8b45f
https://git.kernel.org/stable/c/e4cccff1e7ab6ea30995b6fbbb007d02647e025c
https://git.kernel.org/stable/c/f923a582217b198b557756809ffe42ac0fad6adb