medium5.5
CVE-2022-48938
In the Linux kernel, the following vulnerability has been resolved: CDC-NCM: avoid overflow in sanity checking A broken device may give an extreme offset like …
Impact
In the Linux kernel, the following vulnerability has been resolved: CDC-NCM: avoid overflow in sanity checking A broken device may give an extreme offset like 0xFFF0 and a reasonable length for a fragment. In the sanity check as formulated now, this will create an integer overflow, defeating the sanity check. Both offset and offset + len need to be checked in such a manner that no overflow can occur. And those quantities should be unsigned.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | before 5.10.103 from 5.11 before 5.15.26 from 5.16 before 5.16.12 |
Weakness classification
References
- NVD record
- CVE.org record
- https://git.kernel.org/stable/c/49909c9f8458cacb5b241106cba65aba5a6d8f4c
- https://git.kernel.org/stable/c/69560efa001397ebb8dc1c3e6a3ce00302bb9f7f
- https://git.kernel.org/stable/c/7b737e47b87589031f0d4657f6d7b0b770474925
- https://git.kernel.org/stable/c/8d2b1a1ec9f559d30b724877da4ce592edc41fdc
- https://git.kernel.org/stable/c/9957fbf34f52a4d8945d1bf39aae400ef9a11246
- https://git.kernel.org/stable/c/a612395c7631918e0e10ea48b9ce5ab4340f26a6