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CVE-2022-50888

remoteproc: qcom: q6v5: Fix potential null-ptr-deref in q6v5_wcss_init_mmio()

Published: Dec 30, 2025Updated: Dec 31, 2025 Sources: CVE List NVD BDU
NVD MITRE
5.5CVSSMEDIUM
EPSS Score
0.2%
Top 93.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

In the Linux kernel, the following vulnerability has been resolved: remoteproc: qcom: q6v5: Fix potential null-ptr-deref in q6v5_wcss_init_mmio() q6v5_wcss_init_mmio() will call platform_get_resource_byname() that may fail and return NULL. devm_ioremap() will use res->start as input, which may causes null-ptr-deref. Check the ret value of platform_get_resource_byname() to avoid the null-ptr-deref.

CVSS Vector Breakdown

AV:LAC:LC:NI:NA:H
Exploitability
AV:LAccess Vector
Local
AC:LAccess Complexity
Low
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
H
Open in CVSS calculator →

Affected Products

UbuntuCanonical Ltd.
On-premOS
Operating Systems / linux-distro
SUSE Linux Enterprise Server for SAP ApplicationsNovell Inc.
On-premOS
Operating Systems / linux-distro
SUSE Linux Enterprise MicroNovell Inc.
On-premOS
Operating Systems / linux-distro
LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
LinuxLinux
On-premOS
Operating Systems / linux-distro
canonical ltd.commercialGBOperating Systemsaka canonical
novell inc.commercialUSOperating Systems
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
linuxoss-projectOperating Systemsaka the linux kernel

Exploitability

Official Patch Available

References

https://www.cve.org/CVERecord?id=CVE-2022-50888
cve.org
https://git.kernel.org/stable/c/098ebb9089c4eedea09333f912d105fa63377496
git.kernel.org
https://git.kernel.org/stable/c/3afa88ae9911b65702a3aca9d92ea23fe496e56f
git.kernel.org
and 9 more references View all →

Timeline

Published
Dec 30, 2025
Last Updated
Dec 31, 2025

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