In the Linux kernel, the following vulnerability has been resolved:
jfs: nlink overflow in jfs_rename
If nlink is maximal for a directory (-1) and inside that directory you
perform a rename for some child directory (not moving from the parent),
then the nlink of the first directory is first incremented and later
decremented. Normally this is fine, but when nlink = -1 this causes a
wrap around to 0, and then drop_nlink issues a warning.
After applying the patch syzbot no longer issues any warnings. I also
ran some basic fs tests to look for any regressions.
References
Configurations
Configuration 1 (hide)
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History
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Information
Published : 2026-05-06 12:16
Updated : 2026-07-30 06:24
NVD link : CVE-2025-71292
Mitre link : CVE-2025-71292
CVE.ORG link : CVE-2025-71292
JSON object : View
Products Affected
linux
- linux_kernel
CWE
