7.5

CVE-2021-46960: linux

CVSS: 7.5v3.1HighModified
AliasesRHSA-2025:2265UBUNTU-CVE-2021-46960DEBIAN-CVE-2021-46960
Published 27-02-2024Last modified 05-08-2026
Open JSON

Vulnerability summary

CVE-2021-46960 is a high (CVSS 7.5) vulnerability in linux. EPSS estimates a 0.64% chance of exploitation in the next 30 days, higher than 49.6% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.64%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 7 · Related 7
SUSE-SU-2024:1454-1SUSE-SU-2024:1465-1SUSE-SU-2024:1489-1SUSE-SU-2024:1643-1SUSE-SU-2024:1646-1SUSE-SU-2024:1870-1

Timeline

  1. 27-02-2024
    PublishedVulnerability first disclosed.
  2. 05-08-2026
    Last modifiedVulnerability information updated.

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

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.64%

Chance of exploitation in the next 30 days

Percentile

50%

Versus all other CVEs

30-day change

+0.01 pp

From 0.63% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.64%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Ubuntu86 products
  • linux< 4.4.0-257.291 | < 4.15.0-151.157 | < 5.4.0-77.86
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 4.4.0-1134.140 | < 4.4.0-1172.187 | < 4.15.0-1109.116 | < 5.4.0-1051.53
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Redhat33 products
  • bpftool< 0:4.18.0-372.139.1.el8_6
  • bpftool-debuginfo< 0:4.18.0-372.139.1.el8_6
  • kernel< 0:4.18.0-372.139.1.el8_6
  • kernel-abi-stablelists< 0:4.18.0-372.139.1.el8_6
  • kernel-core< 0:4.18.0-372.139.1.el8_6
Linux2 products
  • linux≥ 61cfac6f267dabcf2740a7ec8a0295833b28b5f5, < e94851629c49c65b4fbb29a5725ddfd7988f8f20 | ≥ 61cfac6f267dabcf2740a7ec8a0295833b28b5f5, < e486f8397f3f14a7cadc166138141fdb14379a54 | ≥ 61cfac6f267dabcf2740a7ec8a0295833b28b5f5, < 93f3339b22ba17e66f0808737467b70ba087eaec | ≥ 61cfac6f267dabcf2740a7ec8a0295833b28b5f5, < aaa0faa5c28a91c362352d6b35dc3ed10df56fb0 | ≥ 61cfac6f267dabcf2740a7ec8a0295833b28b5f5, < f59a9242942fef0de7b926e438ba4eae65d4b4dd | ≥ 61cfac6f267dabcf2740a7ec8a0295833b28b5f5, < b399c1a3ea0b9d10047ff266d65533df7f15532f | ≥ 61cfac6f267dabcf2740a7ec8a0295833b28b5f5, < 83728cbf366e334301091d5b808add468ab46b27 | 4.11
  • linux_kernel≥ 4.11, < 4.14.233 | ≥ 4.15, < 4.19.191 | ≥ 4.20, < 5.4.118 | ≥ 5.5, < 5.10.36 | ≥ 5.11, < 5.11.20 | ≥ 5.12, < 5.12.3
Debian1 product
  • linux< 5.10.38-1

4 vendors · 122 products

References

19 links
Show all 19 references