CVE-2022-49392

serial: 8250_aspeed_vuart: Fix potential NULL dereference in aspeed_vuart_probe

MEDIUM
5.5
CVSS Score
Published: February 26, 2025 at 02:11 AM UTC
Updated: June 17, 2026 at 05:17 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: serial: 8250_aspeed_vuart: Fix potential NULL dereference in aspeed_vuart_probe platform_get_resource() may fail and return NULL, so we should better check it's return value to avoid a NULL pointer dereference.

Affected

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

5.14 ≤ v < 5.15.475.14 ≤ v < 5.17.155.14 ≤ v < 5.18.45.14 ≤ v < 5.195.16 ≤ v < 5.17.155.18 ≤ v < 5.18.45.1454da3e381c2b55289b220601f403f17df7b20597
Vendor states this is fixed in 0e0fd55719fa081de6f9e5d9e6cef48efb04d34a (fixed)
Vendor states this is fixed in 90a6b6fc52bfdcfe9698454bf5bea26112abbcd1 (fixed)
Vendor states this is fixed in 923d34ce069e8e51a4d003caa6b66a8cd6ecd0ed (fixed)
Vendor states this is fixed in d5f1275f101e0e8a172d300d897f5a12e87e3485 (fixed)
Vendor states this is fixed in 5.14 (unaffected)
Vendor states this is fixed in 5.15.47 (unaffected)
Vendor states this is fixed in 5.17.15 (unaffected)
Vendor states this is fixed in 5.18.4 (unaffected)
Vendor states this is fixed in 5.19 (unaffected)

References (4)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/0e0fd55719fa081de6f9e5d9e6cef48efb04d34a
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/90a6b6fc52bfdcfe9698454bf5bea26112abbcd1
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/923d34ce069e8e51a4d003caa6b66a8cd6ecd0ed
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/d5f1275f101e0e8a172d300d897f5a12e87e3485

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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