Description (CNA)
In the Linux kernel, the following vulnerability has been resolved: USB: usbfs: Don't WARN about excessively large memory allocations Syzbot found that the kernel generates a WARNing if the user tries to submit a bulk transfer through usbfs with a buffer that is way too large. This isn't a bug in the kernel; it's merely an invalid request from the user and the usbfs code does handle it correctly. In theory the same thing can happen with async transfers, or with the packet descriptor table for isochronous transfers. To prevent the MM subsystem from complaining about these bad allocation requests, add the __GFP_NOWARN flag to the kmalloc calls for these buffers.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected add1aaeabe6b08ed26381a2a06e505b2f09c3ba5 before 2ab21d6e1411999b5fb43434f421f00bf50002eb; affected add1aaeabe6b08ed26381a2a06e505b2f09c3ba5 before 2c835fede13e03f2743a333e4370b5ed2db91e83; affected add1aaeabe6b08ed26381a2a06e505b2f09c3ba5 before 8d83f109e920d2776991fa142bb904d985dca2ed; affected add1aaeabe6b08ed26381a2a06e505b2f09c3ba5 before 9f7cb3f01a10d9064cf13b3d26fb7e7a5827d098; affected add1aaeabe6b08ed26381a2a06e505b2f09c3ba5 before 4f2629ea67e7225c3fd292c7fe4f5b3c9d6392de |
| Linux / Linux | affected 3.3; unaffected 0 before 3.3; unaffected 4.19.193 through 4.19.*; unaffected 5.4.124 through 5.4.*; unaffected 5.10.42 through 5.10.*; unaffected 5.12.9 through 5.12.*; unaffected 5.13 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/2ab21d6e1411999b5fb43434f421f00bf50002eb
- https://git.kernel.org/stable/c/2c835fede13e03f2743a333e4370b5ed2db91e83
- https://git.kernel.org/stable/c/8d83f109e920d2776991fa142bb904d985dca2ed
- https://git.kernel.org/stable/c/9f7cb3f01a10d9064cf13b3d26fb7e7a5827d098
- https://git.kernel.org/stable/c/4f2629ea67e7225c3fd292c7fe4f5b3c9d6392de
ADP enrichment
No English description supplied.
- https://git.kernel.org/stable/c/2ab21d6e1411999b5fb43434f421f00bf50002eb
- https://git.kernel.org/stable/c/2c835fede13e03f2743a333e4370b5ed2db91e83
- https://git.kernel.org/stable/c/8d83f109e920d2776991fa142bb904d985dca2ed
- https://git.kernel.org/stable/c/9f7cb3f01a10d9064cf13b3d26fb7e7a5827d098
- https://git.kernel.org/stable/c/4f2629ea67e7225c3fd292c7fe4f5b3c9d6392de
No English description supplied.
No references supplied.