CVE-2023-53302

wifi: iwl4965: Add missing check for create_singlethread_workqueue()

MEDIUM
5.5
CVSS Score
Published: September 16, 2025 at 08:11 AM UTC
Updated: June 17, 2026 at 06:44 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: wifi: iwl4965: Add missing check for create_singlethread_workqueue() Add the check for the return value of the create_singlethread_workqueue() in order to avoid NULL pointer dereference.

Affected

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

2.6.24 ≤ v < 4.19.2762.6.24 ≤ v < 5.10.1732.6.24 ≤ v < 5.15.992.6.24 ≤ v < 5.4.2352.6.24 ≤ v < 6.1.162.6.24 ≤ v < 6.2.32.6.24 ≤ v < 6.34.20 ≤ v < 5.4.2355.11 ≤ v < 5.15.995.16 ≤ v < 6.1.165.5 ≤ v < 5.10.1736.2 ≤ v < 6.2.32.6.24b481de9ca074528fe8c429604e2777db8b89806a
Vendor states this is fixed in 26e6775f75517ad6844fe5b79bc5f3fa8c22ee61 (fixed)
Vendor states this is fixed in 2f85c768bea2057e3299d19514da9e932c4f92d2 (fixed)
Vendor states this is fixed in 3185d6cfc59277a77bf311dce701b7e25193f66a (fixed)
Vendor states this is fixed in 874a85051cc8df8c5b928d8ff172b342cdc5424b (fixed)
Vendor states this is fixed in 878a7c8357764e08bc778bcb26127fc12a4b36b7 (fixed)
Vendor states this is fixed in c002d2741400771171b68dde9af937a4dfa0d1b3 (fixed)
Vendor states this is fixed in f15ef0ebcf56be1d4a3c9a7a80a1f1f82ab0eaad (fixed)
Vendor states this is fixed in 2.6.24 (unaffected)
Vendor states this is fixed in 4.19.276 (unaffected)
Vendor states this is fixed in 5.10.173 (unaffected)
Vendor states this is fixed in 5.15.99 (unaffected)
Vendor states this is fixed in 5.4.235 (unaffected)
Vendor states this is fixed in 6.1.16 (unaffected)
Vendor states this is fixed in 6.2.3 (unaffected)
Vendor states this is fixed in 6.3 (unaffected)

References (7)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/26e6775f75517ad6844fe5b79bc5f3fa8c22ee61
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/2f85c768bea2057e3299d19514da9e932c4f92d2
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/3185d6cfc59277a77bf311dce701b7e25193f66a
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/874a85051cc8df8c5b928d8ff172b342cdc5424b
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/878a7c8357764e08bc778bcb26127fc12a4b36b7
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/c002d2741400771171b68dde9af937a4dfa0d1b3
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/f15ef0ebcf56be1d4a3c9a7a80a1f1f82ab0eaad

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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