CVE-2022-49615

ASoC: rt711-sdca: fix kernel NULL pointer dereference when IO error

MEDIUM
5.5
CVSS Score
Published: February 26, 2025 at 02:23 AM UTC
Updated: June 17, 2026 at 05:18 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: ASoC: rt711-sdca: fix kernel NULL pointer dereference when IO error The initial settings will be written before the codec probe function. But, the rt711->component doesn't be assigned yet. If IO error happened during initial settings operations, it will cause the kernel panic. This patch changed component->dev to slave->dev to fix this issue.

Affected

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

v < 5.15.565.13 ≤ v < 5.15.565.13 ≤ v < 5.18.135.13 ≤ v < 5.195.16 ≤ v < 5.18.135.19 rc15.19 rc25.19 rc35.19 rc45.19 rc57ad4d237e7c4a5dcc71cf438f646744b4484f1da
Vendor states this is fixed in 1df793d479bef546569fc2e409ff8bb3f0fb8e99 (fixed)
Vendor states this is fixed in 269be8b2907378adf72d7347cfa43ef230351a06 (fixed)
Vendor states this is fixed in 7bb71133cae88d3003a3490b97864af76533072b (fixed)
Vendor states this is fixed in 5.13 (unaffected)
Vendor states this is fixed in 5.15.56 (unaffected)
Vendor states this is fixed in 5.18.13 (unaffected)
Vendor states this is fixed in 5.19 (unaffected)

References (3)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/1df793d479bef546569fc2e409ff8bb3f0fb8e99
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/269be8b2907378adf72d7347cfa43ef230351a06
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/7bb71133cae88d3003a3490b97864af76533072b

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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