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CVE-2026-99080

fs: Free any excess xarray nodes in clear_inode()

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.

Timeline

  1. ID reserved

    By Linux

  2. · 28 days later

    Published

  3. · 7 days later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

No CVSS score yet: neither the CNA, CISA nor NVD has scored this CVE. NVD status: Received.

EPSS (exploitation in 30 days)
0.20% · top 90% of all CVEs (9 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Not scored.

Affected products

  • Linux · Linux

    • affected 77da9389b9d5f07d54fda092d1ab56002ec0019a – < 3e837269bbfe78a602e0c259d57ffafe7a4df3b2
    • affected 77da9389b9d5f07d54fda092d1ab56002ec0019a – < 813779d7974e51a6950c7237708853b129d564e1
    • affected 77da9389b9d5f07d54fda092d1ab56002ec0019a – < 04456642e33022cc53562a91393a09d492124b44
    • affected 77da9389b9d5f07d54fda092d1ab56002ec0019a – < f1c966eb6ed5e190c90a56c5bdaa69967de39f21
    • affected 77da9389b9d5f07d54fda092d1ab56002ec0019a – < 21f51434c47d8628b62275ae6c6ad6b573abcd02
    • affected 77da9389b9d5f07d54fda092d1ab56002ec0019a – < 50cff3f112d64db6e5f57355f79bc837db8fe132
    • affected 77da9389b9d5f07d54fda092d1ab56002ec0019a – < 43f830e2bb84b22ca824b20bb861d823ecb520bd
    • affected 77da9389b9d5f07d54fda092d1ab56002ec0019a – < ee3f011250104129893d8e9599147e457d4d7280
  • Linux · Linux

    • affected 4.20
    • unaffected < 4.20
    • unaffected 5.10.273 – ≤ 5.10.*
    • unaffected 5.15.224 – ≤ 5.15.*
    • unaffected 6.1.191 – ≤ 6.1.*
    • unaffected 6.6.160 – ≤ 6.6.*
    • unaffected 6.12.113 – ≤ 6.12.*
    • unaffected 6.18.57 – ≤ 6.18.*
    • unaffected 7.2.11 – ≤ 7.2.*
    • unaffected 7.3 – ≤ *

References

8

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .