CVE-2024-50092 Information

Description

In the Linux kernel the following vulnerability has been resolved:

net: netconsole: fix wrong warning

A warning is triggered when there is insufficient space in the buffer for userdata. However this is not an issue since userdata will be sent in the next iteration.

Current warning message:

------------[ cut here ]------------
 WARNING: CPU: 13 PID: 3013042 at drivers/net/netconsole.c:1122 write_ext_msg+0x3b6/0x3d0
  ? write_ext_msg+0x3b6/0x3d0
  console_flush_all+0x1e9/0x330

The code incorrectly issues a warning when this_chunk is zero which is a valid scenario. The warning should only be triggered when this_chunk is negative.

Reference

https://git.kernel.org/stable/c/712a3af3710263444217df54e7f337f99df198d2 https://git.kernel.org/stable/c/d94785bb46b6167382b1de3290eccc91fa98df53