CVE-2026-80553

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.

CVSS 3.1

8.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS

0.2% chance of exploitation in the next 30 days; higher than 7% of CVEs (scores of 2026-10-25)

Published

2026-08-26

Modified

2026-10-16

Record from

the NVD, synced 2026-10-19

References

• https://git.kernel.org/stable/c/7492ca2d0c5d59add01e267be9f5a6eeb8076fd7
• https://git.kernel.org/stable/c/77f5e888d2e607a0b3141fb95091ad6ef1cca9a2
• https://git.kernel.org/stable/c/79c60b2c61105368dcc8444eb45847e21734f7c4
• https://git.kernel.org/stable/c/87d569cb35a541b31a184faf982540694d4c9a89
• https://git.kernel.org/stable/c/b7ae0f7993867d009a4b554fc1d6d451c10580a0

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