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CVE-2021-46932

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CVE-2021-46932

Published: Feb 27, 2024

Modified: May 11, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: Input: appletouch - initialize work before device registration Syzbot has reported warning in __flush_work(). This warning is caused by work->func == NULL, which means missing work initialization. This may happen, since input_dev->close() calls cancel_work_sync(&dev->work), but dev->work initalization happens _after_ input_register_device() call. So this patch moves dev->work initialization before registering input device

VendorProductVersions

Linux

Linux

affected
5a6eb676d3bc4d7a6feab200a92437b62ad298da - < d2cb2bf39a6d17ef4bdc0e59c1a35cf5751ad8f4
affected
5a6eb676d3bc4d7a6feab200a92437b62ad298da - < d1962f263a176f493400b8f91bfbf2bfedce951e
affected
5a6eb676d3bc4d7a6feab200a92437b62ad298da - < 292d2ac61fb0d9276a0f7b7ce4f50426f2a1c99f
affected
5a6eb676d3bc4d7a6feab200a92437b62ad298da - < a02e1404e27855089d2b0a0acc4652c2ce65fe46
affected
5a6eb676d3bc4d7a6feab200a92437b62ad298da - < 975774ea7528b489930b76a77ffc4d5379b95ff2

+3 more versions

Linux

Linux

affected
2.6.23
unaffected
0 - < 2.6.23
unaffected
4.4.298 - <= 4.4.*
unaffected
4.9.296 - <= 4.9.*
unaffected
4.14.261 - <= 4.14.*

+5 more versions

References

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