Bug 2402301 (CVE-2023-53683)

Summary: CVE-2023-53683 kernel: fs: hfsplus: remove WARN_ON() from hfsplus_cat_{read,write}_inode()
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
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Version: unspecifiedKeywords: Security
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OS: Linux   
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A robustness flaw was found in the Linux kernel Hierarchical File System Plus file system in the way inode records are validated when reading or writing catalog entries. Crafted images can provide invalid lengths that trigger kernel warnings intended for internal errors. A local user could use this flaw to provoke warnings and disrupt file system operations, resulting in a denial of service.
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Description OSIDB Bzimport 2025-10-07 16:08:14 UTC
In the Linux kernel, the following vulnerability has been resolved:

fs: hfsplus: remove WARN_ON() from hfsplus_cat_{read,write}_inode()

syzbot is hitting WARN_ON() in hfsplus_cat_{read,write}_inode(), for
crafted filesystem image can contain bogus length. There conditions are
not kernel bugs that can justify kernel to panic.