CVEs-PoC/2021/CVE-2021-46960.md

### [CVE-2021-46960](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-46960)
![](https://img.shields.io/static/v1?label=Product&message=Linux&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=4.11%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=61cfac6f267dabcf2740a7ec8a0295833b28b5f5%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=blue)

### Description

In the Linux kernel, the following vulnerability has been resolved:cifs: Return correct error code from smb2_get_enc_keyAvoid a warning if the error percolates back up:[440700.376476] CIFS VFS: \\otters.example.com crypt_message: Could not get encryption key[440700.386947] ------------[ cut here ]------------[440700.386948] err = 1[440700.386977] WARNING: CPU: 11 PID: 2733 at /build/linux-hwe-5.4-p6lk6L/linux-hwe-5.4-5.4.0/lib/errseq.c:74 errseq_set+0x5c/0x70...[440700.397304] CPU: 11 PID: 2733 Comm: tar Tainted: G           OE     5.4.0-70-generic #78~18.04.1-Ubuntu...[440700.397334] Call Trace:[440700.397346]  __filemap_set_wb_err+0x1a/0x70[440700.397419]  cifs_writepages+0x9c7/0xb30 [cifs][440700.397426]  do_writepages+0x4b/0xe0[440700.397444]  __filemap_fdatawrite_range+0xcb/0x100[440700.397455]  filemap_write_and_wait+0x42/0xa0[440700.397486]  cifs_setattr+0x68b/0xf30 [cifs][440700.397493]  notify_change+0x358/0x4a0[440700.397500]  utimes_common+0xe9/0x1c0[440700.397510]  do_utimes+0xc5/0x150[440700.397520]  __x64_sys_utimensat+0x88/0xd0

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/fkie-cad/nvd-json-data-feeds