Vulnerability Description
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 Score
HIGH
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
- https://git.kernel.org/stable/c/b94b28c1f0fae53b2f2d6180ae6442c9a1558f67
- https://git.kernel.org/stable/c/dc47a98abe6714577a25224534dbd356051097a3
- https://git.kernel.org/stable/c/e868ea8be0bc88c6982f48ecf3259d98afd884ae
FAQ
What is CVE-2026-80553?
CVE-2026-80553 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 t...
How severe is CVE-2026-80553?
CVE-2026-80553 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-80553?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.