CVE-2025-40333
kernel: f2fs: fix infinite loop in __insert_extent_tree()
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Severity
UnknownRed Hat Product Security
CVSS
Review impact separately from score.
Published · December 9, 2025
Updated · June 30, 2026
Description
In the Linux kernel, the following vulnerability has been resolved:
f2fs: fix infinite loop in __insert_extent_tree()
When we get wrong extent info data, and look up extent_node in rb tree, it will cause infinite loop (CONFIG_F2FS_CHECK_FS=n). Avoiding this by return NULL and print some kernel messages in that case.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CWE not specified