CVE-2023-52783

net: wangxun: fix kernel panic due to null pointer

MEDIUM
5.5
CVSS Score
Published: May 21, 2024 at 03:31 PM UTC
Updated: June 17, 2026 at 06:43 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: net: wangxun: fix kernel panic due to null pointer When the device uses a custom subsystem vendor ID, the function wx_sw_init() returns before the memory of 'wx->mac_table' is allocated. The null pointer will causes the kernel panic.

Affected

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

6.3 ≤ v < 6.6.46.3 ≤ v < 6.76.379625f45ca73ef37c18a6e4b5b6ce7daa1e92683
Vendor states this is fixed in 61a55071653974dab172d4c5d699bb365cfd13c9 (fixed)
Vendor states this is fixed in 8ba2c459668cfe2aaacc5ebcd35b4b9ef8643013 (fixed)
Vendor states this is fixed in 6.3 (unaffected)
Vendor states this is fixed in 6.6.4 (unaffected)
Vendor states this is fixed in 6.7 (unaffected)

Remediation

No guide yet

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

References (2)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/61a55071653974dab172d4c5d699bb365cfd13c9
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/8ba2c459668cfe2aaacc5ebcd35b4b9ef8643013

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

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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