REDHAT-BUG-2265653: Null Pointer Dereference
Published Feb 23, 2024
·Updated
gfs2: Fix kernel NULL pointer dereference in gfs2rgrpdump
Syzkaller has reported a NULL pointer dereference when accessing rgd->rdrgl in gfs2rgrpdump(). This can happen when creatingrgd->rdgl fails in readrindexentry(). Add a NULL pointer check in gfs2rgrpdump() to prevent that.
Affected Software
1 affected component
Linux gfs2 (Linux kernel)
Event History
Feb 23, 2024
Data Sourced
via Red Hat·01:47 PM
DescriptionSeverityAffected Software
Frequently Asked Questions
1
What is the severity of REDHAT-BUG-2265653?
The severity of REDHAT-BUG-2265653 is medium with a severity score of 4.
2
What type of vulnerability is REDHAT-BUG-2265653?
REDHAT-BUG-2265653 is a null pointer dereference vulnerability.
3
How do I fix REDHAT-BUG-2265653?
To fix REDHAT-BUG-2265653, ensure that the patch is applied to add a NULL pointer check in the gfs2_rgrp_dump function.
4
What is affected by the vulnerability REDHAT-BUG-2265653?
The vulnerability REDHAT-BUG-2265653 affects the Linux gfs2 file system in the Linux kernel.
5
What is the risk associated with REDHAT-BUG-2265653?
The risk associated with REDHAT-BUG-2265653 is categorized as a risk level of 19.