Bug 2320436 (CVE-2024-49877) - CVE-2024-49877 kernel: ocfs2: fix possible null-ptr-deref in ocfs2_set_buffer_uptodate
Summary: CVE-2024-49877 kernel: ocfs2: fix possible null-ptr-deref in ocfs2_set_buffer...
Keywords:
Status: NEW
Alias: CVE-2024-49877
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2320752
Blocks:
TreeView+ depends on / blocked
 
Reported: 2024-10-21 19:01 UTC by OSIDB Bzimport
Modified: 2024-10-21 22:28 UTC (History)
4 users (show)

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Description OSIDB Bzimport 2024-10-21 19:01:52 UTC
In the Linux kernel, the following vulnerability has been resolved:

ocfs2: fix possible null-ptr-deref in ocfs2_set_buffer_uptodate

When doing cleanup, if flags without OCFS2_BH_READAHEAD, it may trigger
NULL pointer dereference in the following ocfs2_set_buffer_uptodate() if
bh is NULL.


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