Bug 2266386 (CVE-2021-46913) - CVE-2021-46913 kernel: netfilter: nftables: clone set element expression template
Summary: CVE-2021-46913 kernel: netfilter: nftables: clone set element expression temp...
Keywords:
Status: NEW
Alias: CVE-2021-46913
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2266387
Blocks: 2266369
TreeView+ depends on / blocked
 
Reported: 2024-02-27 18:05 UTC by Mauro Matteo Cascella
Modified: 2024-03-26 18:29 UTC (History)
50 users (show)

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A denial of service flaw was found in netfilter's nftable sub component in the Linux Kernel. The connlimit garbage collector may crash when walking on the list head copy.
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Description Mauro Matteo Cascella 2024-02-27 18:05:05 UTC 
In the Linux kernel, the following vulnerability has been resolved:

netfilter: nftables: clone set element expression template

The Linux kernel CVE team has assigned CVE-2021-46913 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024022708-CVE-2021-46913-eeef@gregkh/T/#u
Comment 1 Mauro Matteo Cascella 2024-02-27 18:05:39 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2266387]
Comment 4 Justin M. Forbes 2024-02-27 18:21:51 UTC 
This was fixed for Fedora with the 5.11.16 stable kernel update.
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