CVE-2023-53442

ice: Block switchdev mode when ADQ is active and vice versa

MEDIUM
5.5
CVSS Score
Published: September 18, 2025 at 04:04 PM UTC
Updated: June 17, 2026 at 06:45 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: ice: Block switchdev mode when ADQ is active and vice versa ADQ and switchdev are not supported simultaneously. Enabling both at the same time can result in nullptr dereference. To prevent this, check if ADQ is active when changing devlink mode to switchdev mode, and check if switchdev is active when enabling ADQ.

Affected

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

5.16 ≤ v < 6.1.475.16 ≤ v < 6.4.125.16 ≤ v < 6.56.2 ≤ v < 6.4.125.166.5 rc16.5 rc26.5 rc36.5 rc46.5 rc56.5 rc6fbc7b27af0f9fb181811424e29caf6825594a841
Vendor states this is fixed in 1c82d1b736ce85e77fd4da05eca6f1f4a52a2bc3 (fixed)
Vendor states this is fixed in 24f0d69da35d812b3a1104918014a29627140cb1 (fixed)
Vendor states this is fixed in 43d00e102d9ecbe2635d7e3f2e14d2e90183d6af (fixed)
Vendor states this is fixed in 5.16 (unaffected)
Vendor states this is fixed in 6.1.47 (unaffected)
Vendor states this is fixed in 6.4.12 (unaffected)
Vendor states this is fixed in 6.5 (unaffected)

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-476

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