U.S. flag   An official website of the United States government
Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock (Dot gov) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

CVE-2021-46998 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: ethernet:enic: Fix a use after free bug in enic_hard_start_xmit In enic_hard_start_xmit, it calls enic_queue_wq_skb(). Inside enic_queue_wq_skb, if some error happens, the skb will be freed by dev_kfree_skb(skb). But the freed skb is still used in skb_tx_timestamp(skb). My patch makes enic_queue_wq_skb() return error and goto spin_unlock() incase of error. The solution is provided by Govind. See https://lkml.org/lkml/2021/4/30/961.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

Hyperlink Resource
https://git.kernel.org/stable/c/25a87b1f566b5eb2af2857a928f0e2310d900976 Patch 
https://git.kernel.org/stable/c/25a87b1f566b5eb2af2857a928f0e2310d900976 Patch 
https://git.kernel.org/stable/c/643001b47adc844ae33510c4bb93c236667008a3 Patch 
https://git.kernel.org/stable/c/643001b47adc844ae33510c4bb93c236667008a3 Patch 
https://git.kernel.org/stable/c/6892396ebf04ea2c021d80e10f4075e014cd7cc3 Patch 
https://git.kernel.org/stable/c/6892396ebf04ea2c021d80e10f4075e014cd7cc3 Patch 
https://git.kernel.org/stable/c/7afdd6aba95c8a526038e7abe283eeac3e4320f1 Patch 
https://git.kernel.org/stable/c/7afdd6aba95c8a526038e7abe283eeac3e4320f1 Patch 
https://git.kernel.org/stable/c/d90529392aaf498dafa95d212295d64b2cea4e24 Patch 
https://git.kernel.org/stable/c/d90529392aaf498dafa95d212295d64b2cea4e24 Patch 
https://git.kernel.org/stable/c/f7f6f07774091a6ddd98500b85386c3c6afb30d3 Patch 
https://git.kernel.org/stable/c/f7f6f07774091a6ddd98500b85386c3c6afb30d3 Patch 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-416 Use After Free cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

CPEs loading, please wait.

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

5 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-46998
NVD Published Date:
02/28/2024
NVD Last Modified:
12/06/2024
Source:
kernel.org