CVE-2023-53664

OPP: Fix potential null ptr dereference in dev_pm_opp_get_required_pstate()

MEDIUM
5.5
CVSS Score
Published: October 7, 2025 at 03:21 PM UTC
Updated: October 28, 2026 at 08:10 PM UTC
1 product affected across 1 vendorLinux Kernel

Using Linux by Linux?

Get instant alerts when new vulnerabilities affect Linux - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM5.5
Exploit prediction
EPSS 0.1%

Description

In the Linux kernel, the following vulnerability has been resolved: OPP: Fix potential null ptr dereference in dev_pm_opp_get_required_pstate() "opp" pointer is dereferenced before the IS_ERR_OR_NULL() check. Fix it by removing the dereference to cache opp_table and dereference it directly where opp_table is used. This fixes the following smatch warning: drivers/opp/core.c:232 dev_pm_opp_get_required_pstate() warn: variable dereferenced before IS_ERR check 'opp' (see line 230)

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

6.5 ≤ v < 6.5.36.584cb7ff35fcf7c0b552f553a3f2db9c3e92fc707
Vendor states this is fixed in 25130b27e0352acb83e91c467853eb9afad3b644 (fixed)
Vendor states this is fixed in 7ddd8deb1c3c0363a7e14fafb5df26e2089a69a5 (fixed)
Vendor states this is fixed in 6.5 (unaffected)
Vendor states this is fixed in 6.5.3 (unaffected)
Vendor states this is fixed in 6.6 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-476

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card