cve-2024-27009
Vulnerability from cvelistv5
Published
2024-05-01 05:29
Modified
2024-12-19 08:52
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: s390/cio: fix race condition during online processing A race condition exists in ccw_device_set_online() that can cause the online process to fail, leaving the affected device in an inconsistent state. As a result, subsequent attempts to set that device online fail with return code ENODEV. The problem occurs when a path verification request arrives after a wait for final device state completed, but before the result state is evaluated. Fix this by ensuring that the CCW-device lock is held between determining final state and checking result state. Note that since: commit 2297791c92d0 ("s390/cio: dont unregister subchannel from child-drivers") path verification requests are much more likely to occur during boot, resulting in an increased chance of this race condition occurring.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2d8527f2f911fab84aec04df4788c0c23af3df48
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2df56f4ea769ff81e51bbb05699989603bde9c49
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3076b3c38a704e10df5e143c213653309d532538
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/559f3a6333397ab6cd4a696edd65a70b6be62c6e
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a4234decd0fe429832ca81c4637be7248b88b49e
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/2d8527f2f911fab84aec04df4788c0c23af3df48
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/2df56f4ea769ff81e51bbb05699989603bde9c49
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/3076b3c38a704e10df5e143c213653309d532538
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/559f3a6333397ab6cd4a696edd65a70b6be62c6e
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/a4234decd0fe429832ca81c4637be7248b88b49e
Impacted products
Vendor Product Version
Linux Linux Version: 2297791c92d04a154ad29ba5a073f9f627982110
Version: 2297791c92d04a154ad29ba5a073f9f627982110
Version: 2297791c92d04a154ad29ba5a073f9f627982110
Version: 2297791c92d04a154ad29ba5a073f9f627982110
Version: 2297791c92d04a154ad29ba5a073f9f627982110
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   Linux Linux Version: 5.15
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