CVE-2026-43123

In the Linux kernel, the following vulnerability has been resolved: fbcon: check return value of con2fb_acquire_newinfo() If fbcon_open() fails when called from con2fb_acquire_newinfo() then info->fbcon_par pointer remains NULL which is later dereferenced. Add check for return value of the function con2fb_acquire_newinfo() to avoid it. Found by Linux Verification Center (linuxtesting.org) with SVACE.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/011a0502801c8536f64141a2b61362c14f456544	Patch
https://git.kernel.org/stable/c/0b038c0be6827dd2dbb1ce4f8d92d97c80cbe9cc	Patch
https://git.kernel.org/stable/c/11a93180a70bb3095a9bd80d113d9277e30d9959	Patch
https://git.kernel.org/stable/c/3b5a754ec86bc6064af9aca76eb191c2405e6b0c	Patch
https://git.kernel.org/stable/c/a785c4e2a999c2d51dfcf40d317cfb30cc735d2c	Patch
https://git.kernel.org/stable/c/d3e535533767c85788529e626478718b7e95a59f	Patch
https://git.kernel.org/stable/c/f57b61624c86ef8f87f6e6b7dd0755de03d90e89	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

History

No history.

Information

Published : 2026-05-06 12:16

Updated : 2026-06-17 10:48

NVD link : CVE-2026-43123

Mitre link : CVE-2026-43123

CVE.ORG link : CVE-2026-43123

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-476

NULL Pointer Dereference

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