CVE-2022-49071

drm/panel: ili9341: fix optional regulator handling

State: Published
Severity: 5.5 Medium
Published: Feb 26, 2025
Updated: May 11, 2026
Reserved: Feb 26, 2025

Description

In the Linux kernel, the following vulnerability has been resolved:

drm/panel: ili9341: fix optional regulator handling

If the optional regulator lookup fails, reset the pointer to NULL. Other functions such as mipi_dbi_poweron_reset_conditional() only do a NULL pointer check and will otherwise dereference the error pointer.

Scores

CVSS	Score	Vector	Source
3.1	5.5 Medium	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	CISA-ADP

Weaknesses

CWE-476 NULL Pointer Dereference

Affected Products

Product	Versions
LinuxLinux	5a04227326b04c15b015181772f5c853172fdb68 to before 28dc1503a9d36654f9c61adb2915682515a30f71Affected 5a04227326b04c15b015181772f5c853172fdb68 to before e3d982c111a6c033671dd6084b07f62fbf50f76fAffected 5a04227326b04c15b015181772f5c853172fdb68 to before 4ea189854b1e625ed5ec80d30147870f984db44cAffected 5a04227326b04c15b015181772f5c853172fdb68 to before d14eb80e27795b7b20060f7b151cdfe39722a813Affected
LinuxLinux	5.15Affected before 5.15Not affected 5.15.34 through 5.15.Not affected 5.16.20 through 5.16.Not affected 5.17.3 through 5.17.*Not affected 5.18 and laterNot affected

References

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