# CVE-2021-46960: linux: In the Linux kernel, the following vulnerability has been resolved:  cifs: Return correct error code from smb2_get_en...

CVE-2021-46960 is fixed in linux on 1 platform, first by DEBIAN-CVE-2021-46960, released February 27, 2024. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2021-46960
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0064
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 27, 2024

## Description

In the Linux kernel, the following vulnerability has been resolved:  cifs: Return correct error code from smb2_get_enc_key  Avoid 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

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 5.10.38-1 | [DEBIAN-CVE-2021-46960](https://patchblox.com/security/data/fix/linux/debian-cve-2021-46960.md) | Feb 27, 2024 |
| Linux | linux Debian 13.5 (trixie) | 5.10.38-1 | [DEBIAN-CVE-2021-46960](https://patchblox.com/security/data/fix/linux/debian-cve-2021-46960.md) | Feb 27, 2024 |
| Linux | linux Debian 14 | 5.10.38-1 | [DEBIAN-CVE-2021-46960](https://patchblox.com/security/data/fix/linux/debian-cve-2021-46960.md) | Feb 27, 2024 |

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Data as of 2026-11-09T07:25:28Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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