CVE-2024-50092: net: netconsole: fix wrong warning
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 writeextmsg+0x3b6/0x3d0 ? writeextmsg+0x3b6/0x3d0 consoleflushall+0x1e9/0x330
The code incorrectly issues a warning when thischunk is zero, which is a valid scenario. The warning should only be triggered when thischunk is negative.
Other sources
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— Launchpad
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2024-50092?
The CVE-2024-50092 vulnerability has been assessed and is classified as a low severity issue in the Linux kernel.
How do I fix CVE-2024-50092?
To resolve CVE-2024-50092, users should upgrade to the latest patched versions of the Linux kernel listed in their distribution's updates.
Which versions of Linux kernel are affected by CVE-2024-50092?
CVE-2024-50092 affects Linux kernel versions from 6.9 up to but not including 6.11.4, as well as 6.12-rc1 and 6.12-rc2.
Is CVE-2024-50092 exploitable remotely?
CVE-2024-50092 is not known to be remotely exploitable and primarily impacts local user functionality within the kernel.
What does CVE-2024-50092 specifically address in the Linux kernel?
CVE-2024-50092 addresses a warning issue related to insufficient buffer space for userdata in the netconsole subsystem, which is not indicative of a true defect.