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VULNERABILITIES

CVE-2026-99080 Details

Description

In the Linux kernel, the following vulnerability has been resolved: fs: Free any excess xarray nodes in clear_inode() For many years we've had a hard to hit leak of xarray nodes. Hugh documented it well in commit 786b31121a2c. Recently people and syzbot have found ways to force it to happen with madvise. Rather than fix the leaks where they happen, just call xa_destroy() which has the side-effect of cycling the i_pages lock.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://git.kernel.org/stable/c/04456642e33022cc53562a91393a09d492124b44 kernel.org
https://git.kernel.org/stable/c/21f51434c47d8628b62275ae6c6ad6b573abcd02 kernel.org
https://git.kernel.org/stable/c/3e837269bbfe78a602e0c259d57ffafe7a4df3b2 kernel.org
https://git.kernel.org/stable/c/43f830e2bb84b22ca824b20bb861d823ecb520bd kernel.org
https://git.kernel.org/stable/c/50cff3f112d64db6e5f57355f79bc837db8fe132 kernel.org

see all 8 references

Weakness Enumeration

No weakness enumeration is available for this CVE.

Affected Products

No affected product data is available for this CVE.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-99080
NVD Published Date:
Oct 23, 2026
NVD Last Modified:
Oct 30, 2026
Source:
kernel.org
CVE-2026-99080 Details - Not Deferred