CVE-2026-80553
s390/vfio_ccw: Cancel existing workqueues
CVSS Score
8.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Aug 26, 2026 |
| Last Updated | Aug 27, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Linux / Linux
e5f84dbaea59b4f712dac428c337528b70e1c533 < 87d569cb35a541b31a184faf982540694d4c9a89 e5f84dbaea59b4f712dac428c337528b70e1c533 < 7492ca2d0c5d59add01e267be9f5a6eeb8076fd7 e5f84dbaea59b4f712dac428c337528b70e1c533 < b94b28c1f0fae53b2f2d6180ae6442c9a1558f67 e5f84dbaea59b4f712dac428c337528b70e1c533 < e868ea8be0bc88c6982f48ecf3259d98afd884ae e5f84dbaea59b4f712dac428c337528b70e1c533 < dc47a98abe6714577a25224534dbd356051097a3 e5f84dbaea59b4f712dac428c337528b70e1c533 < b7ae0f7993867d009a4b554fc1d6d451c10580a0 e5f84dbaea59b4f712dac428c337528b70e1c533 < 77f5e888d2e607a0b3141fb95091ad6ef1cca9a2 e5f84dbaea59b4f712dac428c337528b70e1c533 < 79c60b2c61105368dcc8444eb45847e21734f7c4
Linux / Linux
4.12
References
git.kernel.org: https://git.kernel.org/stable/c/87d569cb35a541b31a184faf982540694d4c9a89 git.kernel.org: https://git.kernel.org/stable/c/7492ca2d0c5d59add01e267be9f5a6eeb8076fd7 git.kernel.org: https://git.kernel.org/stable/c/b94b28c1f0fae53b2f2d6180ae6442c9a1558f67 git.kernel.org: https://git.kernel.org/stable/c/e868ea8be0bc88c6982f48ecf3259d98afd884ae git.kernel.org: https://git.kernel.org/stable/c/dc47a98abe6714577a25224534dbd356051097a3 git.kernel.org: https://git.kernel.org/stable/c/b7ae0f7993867d009a4b554fc1d6d451c10580a0 git.kernel.org: https://git.kernel.org/stable/c/77f5e888d2e607a0b3141fb95091ad6ef1cca9a2 git.kernel.org: https://git.kernel.org/stable/c/79c60b2c61105368dcc8444eb45847e21734f7c4