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5.5
MEDIUM CVSS 3.1
CVE-2021-46960
cifs: Return correct error code from smb2_get_enc_key
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

INFO

Published Date :

Feb. 27, 2024, 7:04 p.m.

Last Modified :

Dec. 11, 2024, 2:47 p.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products

The following products are affected by CVE-2021-46960 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
: Total Affected Vendor : 1 | Products : 1
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM [email protected]
Solution
This vulnerability can be remediated by updating the affected Linux kernel.
  • Update the affected kernel packages.
  • Reboot the system to apply the changes.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-46960.

URL Resource
https://git.kernel.org/stable/c/83728cbf366e334301091d5b808add468ab46b27 Patch
https://git.kernel.org/stable/c/93f3339b22ba17e66f0808737467b70ba087eaec Patch
https://git.kernel.org/stable/c/aaa0faa5c28a91c362352d6b35dc3ed10df56fb0 Patch
https://git.kernel.org/stable/c/b399c1a3ea0b9d10047ff266d65533df7f15532f Patch
https://git.kernel.org/stable/c/e486f8397f3f14a7cadc166138141fdb14379a54 Patch
https://git.kernel.org/stable/c/e94851629c49c65b4fbb29a5725ddfd7988f8f20 Patch
https://git.kernel.org/stable/c/f59a9242942fef0de7b926e438ba4eae65d4b4dd Patch
https://git.kernel.org/stable/c/83728cbf366e334301091d5b808add468ab46b27 Patch
https://git.kernel.org/stable/c/93f3339b22ba17e66f0808737467b70ba087eaec Patch
https://git.kernel.org/stable/c/aaa0faa5c28a91c362352d6b35dc3ed10df56fb0 Patch
https://git.kernel.org/stable/c/b399c1a3ea0b9d10047ff266d65533df7f15532f Patch
https://git.kernel.org/stable/c/e486f8397f3f14a7cadc166138141fdb14379a54 Patch
https://git.kernel.org/stable/c/e94851629c49c65b4fbb29a5725ddfd7988f8f20 Patch
https://git.kernel.org/stable/c/f59a9242942fef0de7b926e438ba4eae65d4b4dd Patch
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-46960 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-46960 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-46960 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2021-46960 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Dec. 11, 2024

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.11 up to (excluding) 4.14.233 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.15 up to (excluding) 4.19.191 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 up to (excluding) 5.4.118 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.36 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.11.20 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.12 up to (excluding) 5.12.3
    Changed Reference Type https://git.kernel.org/stable/c/83728cbf366e334301091d5b808add468ab46b27 No Types Assigned https://git.kernel.org/stable/c/83728cbf366e334301091d5b808add468ab46b27 Patch
    Changed Reference Type https://git.kernel.org/stable/c/83728cbf366e334301091d5b808add468ab46b27 No Types Assigned https://git.kernel.org/stable/c/83728cbf366e334301091d5b808add468ab46b27 Patch
    Changed Reference Type https://git.kernel.org/stable/c/93f3339b22ba17e66f0808737467b70ba087eaec No Types Assigned https://git.kernel.org/stable/c/93f3339b22ba17e66f0808737467b70ba087eaec Patch
    Changed Reference Type https://git.kernel.org/stable/c/93f3339b22ba17e66f0808737467b70ba087eaec No Types Assigned https://git.kernel.org/stable/c/93f3339b22ba17e66f0808737467b70ba087eaec Patch
    Changed Reference Type https://git.kernel.org/stable/c/aaa0faa5c28a91c362352d6b35dc3ed10df56fb0 No Types Assigned https://git.kernel.org/stable/c/aaa0faa5c28a91c362352d6b35dc3ed10df56fb0 Patch
    Changed Reference Type https://git.kernel.org/stable/c/aaa0faa5c28a91c362352d6b35dc3ed10df56fb0 No Types Assigned https://git.kernel.org/stable/c/aaa0faa5c28a91c362352d6b35dc3ed10df56fb0 Patch
    Changed Reference Type https://git.kernel.org/stable/c/b399c1a3ea0b9d10047ff266d65533df7f15532f No Types Assigned https://git.kernel.org/stable/c/b399c1a3ea0b9d10047ff266d65533df7f15532f Patch
    Changed Reference Type https://git.kernel.org/stable/c/b399c1a3ea0b9d10047ff266d65533df7f15532f No Types Assigned https://git.kernel.org/stable/c/b399c1a3ea0b9d10047ff266d65533df7f15532f Patch
    Changed Reference Type https://git.kernel.org/stable/c/e486f8397f3f14a7cadc166138141fdb14379a54 No Types Assigned https://git.kernel.org/stable/c/e486f8397f3f14a7cadc166138141fdb14379a54 Patch
    Changed Reference Type https://git.kernel.org/stable/c/e486f8397f3f14a7cadc166138141fdb14379a54 No Types Assigned https://git.kernel.org/stable/c/e486f8397f3f14a7cadc166138141fdb14379a54 Patch
    Changed Reference Type https://git.kernel.org/stable/c/e94851629c49c65b4fbb29a5725ddfd7988f8f20 No Types Assigned https://git.kernel.org/stable/c/e94851629c49c65b4fbb29a5725ddfd7988f8f20 Patch
    Changed Reference Type https://git.kernel.org/stable/c/e94851629c49c65b4fbb29a5725ddfd7988f8f20 No Types Assigned https://git.kernel.org/stable/c/e94851629c49c65b4fbb29a5725ddfd7988f8f20 Patch
    Changed Reference Type https://git.kernel.org/stable/c/f59a9242942fef0de7b926e438ba4eae65d4b4dd No Types Assigned https://git.kernel.org/stable/c/f59a9242942fef0de7b926e438ba4eae65d4b4dd Patch
    Changed Reference Type https://git.kernel.org/stable/c/f59a9242942fef0de7b926e438ba4eae65d4b4dd No Types Assigned https://git.kernel.org/stable/c/f59a9242942fef0de7b926e438ba4eae65d4b4dd Patch
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://git.kernel.org/stable/c/83728cbf366e334301091d5b808add468ab46b27
    Added Reference https://git.kernel.org/stable/c/93f3339b22ba17e66f0808737467b70ba087eaec
    Added Reference https://git.kernel.org/stable/c/aaa0faa5c28a91c362352d6b35dc3ed10df56fb0
    Added Reference https://git.kernel.org/stable/c/b399c1a3ea0b9d10047ff266d65533df7f15532f
    Added Reference https://git.kernel.org/stable/c/e486f8397f3f14a7cadc166138141fdb14379a54
    Added Reference https://git.kernel.org/stable/c/e94851629c49c65b4fbb29a5725ddfd7988f8f20
    Added Reference https://git.kernel.org/stable/c/f59a9242942fef0de7b926e438ba4eae65d4b4dd
  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 28, 2024

    Action Type Old Value New Value
  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Feb. 27, 2024

    Action Type Old Value New Value
    Added 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
    Added Reference Linux https://git.kernel.org/stable/c/e94851629c49c65b4fbb29a5725ddfd7988f8f20 [No types assigned]
    Added Reference Linux https://git.kernel.org/stable/c/e486f8397f3f14a7cadc166138141fdb14379a54 [No types assigned]
    Added Reference Linux https://git.kernel.org/stable/c/93f3339b22ba17e66f0808737467b70ba087eaec [No types assigned]
    Added Reference Linux https://git.kernel.org/stable/c/aaa0faa5c28a91c362352d6b35dc3ed10df56fb0 [No types assigned]
    Added Reference Linux https://git.kernel.org/stable/c/f59a9242942fef0de7b926e438ba4eae65d4b4dd [No types assigned]
    Added Reference Linux https://git.kernel.org/stable/c/b399c1a3ea0b9d10047ff266d65533df7f15532f [No types assigned]
    Added Reference Linux https://git.kernel.org/stable/c/83728cbf366e334301091d5b808add468ab46b27 [No types assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 5.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact