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CVE-2026-74330

configfs: fix lockless traversals of ->s_children

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.10.261, 5.15.212, 6.1.178, 6.6.145, 6.12.97, and 2 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: total

Summary

In the Linux kernel, the following vulnerability has been resolved: configfs: fix lockless traversals of ->s_children Having the parent directory locked protects entries from removal by another thread, but it does not protect cursors from being moved around by lseek() - or freed, for that matter.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: total

  3. Record last updated

Affected versions

  • Linux Linux

    From 6f61076406251626be39651d114fac412b1e0c39 · fixed in 77fd6f50f633a52c2db061e7d71d8cb486b0265e; From 6f61076406251626be39651d114fac412b1e0c39 · fixed in 91f289728ec706b7ff1ca0ee845dd73ff2253488; From 6f61076406251626be39651d114fac412b1e0c39 · fixed in b166ab78dc3f48e83d2c80bdfde4159b31fdc5fb; From 6f61076406251626be39651d114fac412b1e0c39 · fixed in 9e57e2863872e82e7c7237bc32299f67ebebc543; From 6f61076406251626be39651d114fac412b1e0c39 · fixed in 459860529c109c5ce08b81c0776ca1200eaaeb4a; From 6f61076406251626be39651d114fac412b1e0c39 · fixed in 637ef4961470e04455102b34ac484a34d8eca0a4; From 6f61076406251626be39651d114fac412b1e0c39 · fixed in e6d93108e0a27d7e6f95c7e45017d14ba2900d32; From 6f61076406251626be39651d114fac412b1e0c39 · fixed in 9b9e8bb81c41fd27e7b57a1c936fde140548535f

  • Linux Linux

    2.6.27

  • KernelLinux

    From 2.6.27 · fixed in 5.10.261; From 5.11.0 · fixed in 5.15.212; From 5.16.0 · fixed in 6.1.178; From 6.2.0 · fixed in 6.6.145; From 6.7.0 · fixed in 6.12.97; From 6.13.0 · fixed in 6.18.40; From 6.19.0 · fixed in 7.1.5

References 8

git.kernel.org