Vulnerability 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
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 2.6.23, < 4.4.298 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/292d2ac61fb0d9276a0f7b7ce4f50426f2a1c99fPatch
- https://git.kernel.org/stable/c/975774ea7528b489930b76a77ffc4d5379b95ff2Patch
- https://git.kernel.org/stable/c/9f329d0d6c91142cf0ad08d23c72dd195db2633cPatch
- https://git.kernel.org/stable/c/9f3ccdc3f6ef10084ceb3a47df0961bec6196fd0Patch
- https://git.kernel.org/stable/c/a02e1404e27855089d2b0a0acc4652c2ce65fe46Patch
- https://git.kernel.org/stable/c/d1962f263a176f493400b8f91bfbf2bfedce951ePatch
- https://git.kernel.org/stable/c/d2cb2bf39a6d17ef4bdc0e59c1a35cf5751ad8f4Patch
- https://git.kernel.org/stable/c/e79ff8c68acb1eddf709d3ac84716868f2a91012Patch
- https://git.kernel.org/stable/c/292d2ac61fb0d9276a0f7b7ce4f50426f2a1c99fPatch
- https://git.kernel.org/stable/c/975774ea7528b489930b76a77ffc4d5379b95ff2Patch
- https://git.kernel.org/stable/c/9f329d0d6c91142cf0ad08d23c72dd195db2633cPatch
- https://git.kernel.org/stable/c/9f3ccdc3f6ef10084ceb3a47df0961bec6196fd0Patch
- https://git.kernel.org/stable/c/a02e1404e27855089d2b0a0acc4652c2ce65fe46Patch
- https://git.kernel.org/stable/c/d1962f263a176f493400b8f91bfbf2bfedce951ePatch
- https://git.kernel.org/stable/c/d2cb2bf39a6d17ef4bdc0e59c1a35cf5751ad8f4Patch
FAQ
What is CVE-2021-46932?
CVE-2021-46932 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 caus...
How severe is CVE-2021-46932?
CVE-2021-46932 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-46932?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.