CVE-2024-50092

Summary

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux1ec9daf950936c2a1c591596e83c09ce2eb12ade < 712a3af3710263444217df54e7f337f99df198d2affected
LinuxLinux1ec9daf950936c2a1c591596e83c09ce2eb12ade < d94785bb46b6167382b1de3290eccc91fa98df53affected
LinuxLinux6.9affected
LinuxLinux0 < 6.9unaffected
LinuxLinux6.11.4 <= 6.11.*unaffected
LinuxLinux6.12 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References