Bug 2266824 (CVE-2021-46975) - CVE-2021-46975 kernel: netfilter: conntrack: Make global sysctls readonly in non-init netns
Summary: CVE-2021-46975 kernel: netfilter: conntrack: Make global sysctls readonly in ...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2021-46975
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
unspecified
unspecified
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2266825
Blocks: 2266839
TreeView+ depends on / blocked
 
Reported: 2024-02-29 06:56 UTC by Avinash Hanwate
Modified: 2025-05-16 04:45 UTC (History)
50 users (show)

Fixed In Version: kernel 4.9.269, kernel 4.14.233, kernel 4.19.191, kernel 5.4.120, kernel 5.10.35, kernel 5.11.19, kernel 5.12.2, kernel 5.13
Clone Of:
Environment:
Last Closed: 2024-04-26 10:54:23 UTC
Embargoed:

Attachments (Terms of Use)

Description Avinash Hanwate 2024-02-29 06:56:24 UTC 
In the Linux kernel, the following vulnerability has been resolved:

netfilter: conntrack: Make global sysctls readonly in non-init netns

The Linux kernel CVE team has assigned CVE-2021-46975 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024022721-CVE-2021-46975-248d@gregkh/T/#u
Comment 1 Avinash Hanwate 2024-02-29 06:57:01 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2266825]
Comment 5 Justin M. Forbes 2024-03-01 22:26:30 UTC 
This was fixed for Fedora with the 5.11.19 stable kernel updates.
Comment 7 Keith Grant 2025-02-27 17:58:38 UTC 
This CVE was rejected upstream on Tue Mar 19 13:14:36 2024 +0000
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