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CVE-2026-80553

s390/vfio_ccw: Cancel existing workqueues

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.10.267, 5.15.218, 6.1.185, 6.6.153, 6.12.105, 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: s390/vfio_ccw: Cancel existing workqueues The initialization of the io_work and crw_work workqueues begs the question of whether they should be un-initialized. Add the corresponding cleanup tags in _release_dev to ensure work isn't dispatched after the private struct is free'd.

Timeline

  1. CVE published
  2. CISA SSVC assessment

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

  3. Record last updated

Affected versions

  • Linux Linux

    From e5f84dbaea59b4f712dac428c337528b70e1c533 · fixed in 87d569cb35a541b31a184faf982540694d4c9a89; From e5f84dbaea59b4f712dac428c337528b70e1c533 · fixed in 7492ca2d0c5d59add01e267be9f5a6eeb8076fd7; From e5f84dbaea59b4f712dac428c337528b70e1c533 · fixed in b94b28c1f0fae53b2f2d6180ae6442c9a1558f67; From e5f84dbaea59b4f712dac428c337528b70e1c533 · fixed in e868ea8be0bc88c6982f48ecf3259d98afd884ae; From e5f84dbaea59b4f712dac428c337528b70e1c533 · fixed in dc47a98abe6714577a25224534dbd356051097a3; From e5f84dbaea59b4f712dac428c337528b70e1c533 · fixed in b7ae0f7993867d009a4b554fc1d6d451c10580a0; From e5f84dbaea59b4f712dac428c337528b70e1c533 · fixed in 77f5e888d2e607a0b3141fb95091ad6ef1cca9a2; From e5f84dbaea59b4f712dac428c337528b70e1c533 · fixed in 79c60b2c61105368dcc8444eb45847e21734f7c4

  • Linux Linux

    4.12

  • KernelLinux

    From 4.12.0 · fixed in 5.10.267; From 5.11.0 · fixed in 5.15.218; From 5.16.0 · fixed in 6.1.185; From 6.2.0 · fixed in 6.6.153; From 6.7.0 · fixed in 6.12.105; From 6.13.0 · fixed in 6.18.46; From 6.19.0 · fixed in 7.1.10

References 8

git.kernel.org