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.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Linux Linux unaffected
Version Status Constraints
d1baa4ffa677bf6986c460fcfd4cdaf8bfe66f0e affected < d3e535533767c85788529e626478718b7e95a59f
d1baa4ffa677bf6986c460fcfd4cdaf8bfe66f0e affected < 3b5a754ec86bc6064af9aca76eb191c2405e6b0c
d1baa4ffa677bf6986c460fcfd4cdaf8bfe66f0e affected < a785c4e2a999c2d51dfcf40d317cfb30cc735d2c
d1baa4ffa677bf6986c460fcfd4cdaf8bfe66f0e affected < 0b038c0be6827dd2dbb1ce4f8d92d97c80cbe9cc
d1baa4ffa677bf6986c460fcfd4cdaf8bfe66f0e affected < 11a93180a70bb3095a9bd80d113d9277e30d9959
d1baa4ffa677bf6986c460fcfd4cdaf8bfe66f0e affected < f57b61624c86ef8f87f6e6b7dd0755de03d90e89
d1baa4ffa677bf6986c460fcfd4cdaf8bfe66f0e affected < 011a0502801c8536f64141a2b61362c14f456544
Linux Linux affected
Version Status Constraints
2.6.23 affected —
0 unaffected < 2.6.23
5.15.203 unaffected ≤ 5.15.*
6.1.165 unaffected ≤ 6.1.*
6.6.128 unaffected ≤ 6.6.*
6.12.75 unaffected ≤ 6.12.*
6.18.16 unaffected ≤ 6.18.*
6.19.6 unaffected ≤ 6.19.*
7.0 unaffected ≤ *

No data.

No data.

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Fixes

Solution

No solution given by the vendor.

Workaround

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References
Link Providers
https://git.kernel.org/stable/c/011a0502801c8536f64141a2b61362c14f456544 cve-icon cve-icon
https://git.kernel.org/stable/c/0b038c0be6827dd2dbb1ce4f8d92d97c80cbe9cc cve-icon cve-icon
https://git.kernel.org/stable/c/11a93180a70bb3095a9bd80d113d9277e30d9959 cve-icon cve-icon
https://git.kernel.org/stable/c/3b5a754ec86bc6064af9aca76eb191c2405e6b0c cve-icon cve-icon
https://git.kernel.org/stable/c/a785c4e2a999c2d51dfcf40d317cfb30cc735d2c cve-icon cve-icon
https://git.kernel.org/stable/c/d3e535533767c85788529e626478718b7e95a59f cve-icon cve-icon
https://git.kernel.org/stable/c/f57b61624c86ef8f87f6e6b7dd0755de03d90e89 cve-icon cve-icon
History

Wed, 06 May 2026 13:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-476

Wed, 06 May 2026 12:15:00 +0000

Type Values Removed Values Added
Description 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.
Title fbcon: check return value of con2fb_acquire_newinfo()
First Time appeared Linux
Linux linux Kernel
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2026-05-06T11:27:09.553Z

Reserved: 2026-05-01T14:12:55.987Z

Link: CVE-2026-43123

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-05-06T12:16:29.180

Modified: 2026-05-06T13:07:51.607

Link: CVE-2026-43123

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-06T17:30:07Z

Weaknesses