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CVE-2026-43123

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CVE-2026-43123

Published: May 6, 2026

Modified: May 11, 2026

PUBLISHED

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.

VendorProductVersions

Linux

Linux

affected
d1baa4ffa677bf6986c460fcfd4cdaf8bfe66f0e - < d3e535533767c85788529e626478718b7e95a59f
affected
d1baa4ffa677bf6986c460fcfd4cdaf8bfe66f0e - < 3b5a754ec86bc6064af9aca76eb191c2405e6b0c
affected
d1baa4ffa677bf6986c460fcfd4cdaf8bfe66f0e - < a785c4e2a999c2d51dfcf40d317cfb30cc735d2c
affected
d1baa4ffa677bf6986c460fcfd4cdaf8bfe66f0e - < 0b038c0be6827dd2dbb1ce4f8d92d97c80cbe9cc
affected
d1baa4ffa677bf6986c460fcfd4cdaf8bfe66f0e - < 11a93180a70bb3095a9bd80d113d9277e30d9959

+2 more versions

Linux

Linux

affected
2.6.23
unaffected
0 - < 2.6.23
unaffected
5.15.203 - <= 5.15.*
unaffected
6.1.165 - <= 6.1.*
unaffected
6.6.128 - <= 6.6.*

+4 more versions

References

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