Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
Linux Linux — cifs: Return correct error code from smb2_get_enc_key
AV AC PR UI S C I A CVSS EPSS %ile KEV
L L L N U N N H 5.5 .0063 47.6 —
AFFECTED
Product Versions Fixed
Linux 61cfac6f267dabcf2740a7ec8a0295833b28b5f5 – —
Linux 4.11 – 4.14.233
TIMELINE
Feb 27 Reserved by Linux
Feb 27 Published (CNA: Linux)
Aug 4 RESCORED — CVE-2021-46960 (Linux). CVSS 7.5 → 5.5 (NVD).
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
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| February 27, 2024 | Reserved | Reserved by Linux |
| February 27, 2024 | Published | Published (CNA: Linux) |
| August 4, 2026 | RESCORED | RESCORED — CVE-2021-46960 (Linux). CVSS 7.5 → 5.5 (NVD). |
Affected
Affected products and packages — 2 rows
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| Linux | Linux | — | 61cfac6f267dabcf2740a7ec8a0295833b28b5f5 | — |
| Linux | Linux | — | 4.11 | 4.14.233 |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2021-46960 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.